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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations

 
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Federal Highway Administration Research List of Online Reports and Technical Publications

 

 

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The Federal Highway Administration (FHWA) Research Library is located at the Turner-Fairbank Highway Research Center (TFHRC) in McLean, Virginia. The FHWA Research Library staff can help find information on a topic, perform comprehensive literature searches in support of research projects, and search library catalogs, article databases and the Internet, and locate facts and statistics.

Many research reports and publications published by TFHRC are available online below. If the publication you seek is not on the list, you may contact the FHWA Research Library to help you find it.

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A


A Case for Intelligent Transportation Systems (ITS) Telecommunications Analysis - Maryland State Highway Administration ITS Telecommunications Study - Report - FHWA-JPO-97-0015, 1997
A Comparative Analysis of Bicycle Lanes Versus Wide Curb Lanes: Final Report - Report - FHWA-RD-99-034, December 1999
A Novel Approach for the Assessment of ASR Susceptibility of Concrete Mixtures in Airfield Pavements and Infrastructure - FHWA-HRT-21-103 - Report, December 2021, PDF 5.23 MB
A Platform for the Transportation Industry to Cooperatively Develop and Test in a Secure Environment, Factsheet, 21-057L, December 2021 (PDF - 676 KB)
A Quarter Century of Geotechnical Research Report - Report - FHWA-RD-98-139, June 1999
A Review of Pedestrian Safety Research in the United States and Abroad - Report - FHWA-HRT-03-042, November 2003
A Review of the Signalized Intersections: Informational Guide - Techbrief - FHWA-HRT-04-092, April 2004
A Safety Evaluation of UVA Vehicle Headlights - Report - FHWA-RD-99-074, 1999
A Study on Office of Traffic Operations-Selected Signing Issues, FHWA-RD-89-232, PB90-208802/AS (A04)
A Systemwide Methodology For Evaluating Highway Safety Studies, FHWA-RD-92-049
A Toolbox for Alleviating Traffic Congestions and Enhancing Mobility - Report - FHWA-SA-98-436, 1998
Accelerated Aging of Concrete: A Literature Review - Report - FHWA-RD-01-073, February 2002
Accelerated Determination of ASR Susceptibility During Concrete Prism Testing Through Nonlinear Resonance Acoustic Spectroscopy - Report - FHWA-HRT-13-085, October 2013
Accelerated Determination of ASR Susceptibility During Concrete Prism Testing Through Nonlinear Resonance Ultrasonic Spectroscopy - Techbrief - FHWA-HRT-13-086, October 2013
Acceptance Testing of High-Speed Transverse Profile Measuring Systems Purchased for the Long-Term Pavement Performance Program - Techbrief - FHWA-HRT-20-023, January 2020
Accident Data Analysis of Side-Impact, Fixed Object Collisions, FHWA-RD-91-122
Accident Models for Two-Lane Rural Roads: Segments and Intersections - Report - FHWA-RD-98-133, October 1998
Achieving a High Level of Smoothness in Concrete Pavements Without Sacrificing Long-Term Performance, FHWA-HRT-05-069, May 2005
Achieving a High Level of Smoothness in Concrete Pavements Without Sacrificing Long-Term Performance - Techbrief - FHWA-HRT-05-068, October 2005
Achieving Shared Efficiencies Through Cooperative Implementation: Commercial Vehicle Electronic Screening - Brochure - FHWA-JPO-99-009, 1999
Active Traffic Management: Comprehension, Legibility, Distance, and Motorist Behavior in Response to Selected Variable Speed Limit and Lane Control Signing - Report - FHWA-HRT-16-037, June 2016
Adaptive Control Software Lite (ACS Lite) - Brochure - FHWA-HRT-06-083, January 2006
Adaptive Highway Bridge Bearings Towards Intelligent Infrastructure Systems Towards Intelligent Infrastructure Systems - Fact Sheet - FHWA-HRT-17-046, July 2017
Addressing Challenges and Return on Investment (ROI) for Paperless Project Delivery (e-Construction) - Techbrief - FHWA-HRT-16-068, July 2017
Adhesion Criteria Between Water-Based Inorganic Zinc Coating and Their Topcoats for Steel - Report - FHWA-RD-98-170, March 1999
Adjacent Box Beam Connections: Performance and Optimization - Report - FHWA-HRT-17-093, February 2018
Adjacent Box Beam Connections: Performance and Optimization - Techbrief - FHWA-HRT-17-094, November 2017
Advanced Implementation Methods Facility, FHWA-RD-88-186
Advanced Methodology to Assess Riprap Rock Stability at Bridge Piers and Abutments - Report - FHWA-HRT-17-054, October 2017
Advanced Motorist Information Systems for Improved Traffic Operations, FHWA-RD-88-198
Advanced Public Transportation Systems Deployment in the United Sates - Report - FTA-MA-26-7007-99-1, January 1999
Advanced Public Transportation Systems: The State of the Art Update '98 - Report - FTA-MA-26-7007-98-1, January 1998
Adaptive Signal Control (Federal Highway Administration Research and Technology Evaluation Final Report) - Report - FHWA-HRT-17-007, June 2018
Advanced Traffic Management Simulator to Support Development of Human Factors Design Guidelines - Summary Report - FHWA-RD-95-126, 1995
Advanced Traveler Information Systems and Commercial Vehicle Operations Components of the Intelligent Transportation Systems: On-Road Evaluation of ATIS Messages - Summary Report - FHWA-RD-98-186, November 1998
Advanced Traveler Information Systems - Choosing the Route to Traveler Information Systems Deployment: Factors for Creating Public-Private Business Plans (Action Guide) - Report, 1998
Advanced Traveler Information Systems and Commercial Vehicle Operations Components of the Intelligent Transportation Systems: On-Road Evaluation of ATIS Messages - Report - FHWA-RD-99-132, March 1998
Advanced Traveler Information Systems and Commercial Vehicle Operations: Components of the Intelligent Transportation Systems: Head-Up Displays and Driver Attention for Driver Navigation Information - Report - FHWA-RD-96-153, March 1998
Advanced Quality Systems: Guidelines for Establishing and Maintaining Construction Quality Databases - Report - FHWA-HRT-07-019, November 2006
Advanced Vehicle Tracking Technologies - EAR Fact Sheet - FHWA-HRT-17-051, June 2017
Advancing BIM for Infrastructure: National Strategic Roadmap - FHWA-HRT-21-064 - Report, June 2021, PDF 11.8 MB
Agent-Based Modeling and Simulation in The Dilemma Zone - EAR Report - FHWA-HRT-15-082, December 2015
Air Void Analyzer (PDF) - FHWA-HRT-06-057, January 2006
Alabama Highway 199 Over Uphapee Creek, Macon County (PDF) - FHWA-RD-00-114, July 2000
Alkali-Silica Reaction Mechanisms and Detection: An Advanced Understanding - Techbrief - FHWA-HRT-14-079, October 2014
Alternative Cementitious Materials in Transportation - Sustainable, Durable Substitutes for Portland Cement - Fact Sheet - FHWA-HRT-18-031, August 2018
Alternative Contracting Method Performance in U.S. Highway Construction - Techbrief - FHWA-HRT-17-100, April 2018
Alternative Design Consistency Rating Methods for Two-Lane Rural Highways - Report - FHWA-RD-99-172, August 2000
Alternative Designs to Alleviate Freeway Bottlenecks at Merging, Diverging, and Weaving Areas - Report - FHWA-HRT-20-008, May 2020
Alternative Freeway Designs at Merge and Diverge Segments - Fact Sheet - FHWA-HRT-18-019, December 2017
An Evaluation of High-Visibility Crosswalk Treatment - Clearwater, Florida - Report - FHWA-RD-00-105, August 2001 (PDF - 548KB)
Alternative Ways to Improve the Visibility of Railroad Highway Crossing Signals, Executive Summary, FHWA-RD-83-051, PB86-206919/AS (A07)
Analytical Method to Measure Water in Asphalt and Its Application to Emulsion Residue Recovery - Techbrief - FHWA-HRT-15-056, July 2017
An Evaluation of Illuminated Pedestrian Push Buttons in Windsor, Ontario - Report - FHWA-RD-00-102, August 2001 (PDF - 635KB)
An Exploration of Pedestrian Safety Through the Integration of HSIS and Emerging Data Sources: Case Study in Charlotte, NC Report, pub. number FHWA-HRT-21-087, October 2021 (PDF - 2.40 MB)
An Investigation of Older Driver Freeway Needs and Capabilities, FHWA-RD-95-194
An Investigation of Older Driver Freeway Needs and Capabilities - Summary Report - FHWA-RD-98-162, November 1998
An Investigation of the Use of Differential Global Positioning System (GPS) Technology and its Augmentations within State and Local Transportation Departments (updated version) FHWA-RD-00-093, July 2000 (PDF - 175KB)
An Investment Benefiting America's Highways: The Long-Term Pavement Performance Program, FHWA-RD-01-094
Analysis Modeling Simulation (AMS) Framework for Connected and Automated Vehicle (CAV) Applications - Fact Sheet - FHWA-HRT-17-033, January 2017
Analysis, Modeling, and Simulation (AMS) Framework for Connected and Automated Vehicle (CAV) Applications - Update - Fact Sheet - FHWA-HRT-18-009, December 2017
Analysis of Construction Quality Assurance Procedures on Federally Funded Local Public Agency Projects - Report - FHWA-HRT-15-008, July 2016
Analysis of Cracking in Jointed Plain Concrete Pavements - Summary Report - FHWA-HRT-16-073, March 2017
Analysis of Guardrail and Median Barrier Accidents Using the Longitudinal Barrier Special Studies (LBSS) File Vol. I, Final Report, FHWA-RD-92-098
Analysis of Network and Non-Network Factors on Traveler Choice Toward Improving Modeling Accuracy for Better Transportation Decisionmaking - Report - FHWA-HRT-13-097, September 2014
Analysis of Older Drivers on Freeways - Summary Report - FHWA-RD-96-035, August 1996
Analysis of SHRP2 Data to Understand Normal and Abnormal Driving Behavior in Work Zones - Report - FHWA-HRT-20-010, December 2019
Analysis of Time Domain Reflectometry Data From LTPP Seasonal Monitoring Program Test Sections - Final Report - Errata, FHWA-RD-99-115
Analysis of Truck Safety on Crest Vertical Curves, FHWA-RD-86-060, PB86-180858/AS (A05)
Analytical Evaluation of State Curb Designs, FHWA-RD-86-012, PB86-114972/AS (A03)
Analysis, Modeling, and Simulation (AMS) Tools for Connected and Automated Vehicle (CAV) Applications - Fact Sheet - FHWA-HRT-18-026, December 2017
Analysis Procedures for Evaluating Superheavy Load Movement on Flexible Pavements, Volume I: Final Report - Report - FHWA-HRT-18-049, October 2018
Analysis Procedures for Evaluating Superheavy Load Movement on Flexible Pavements, Volume II: Appendix A, Experimental Program - Report - FHWA-HRT-18-050, November 2018
Analysis Procedures for Evaluating Superheavy Load Movement on Flexible Pavements, Volume III: Appendix B, Superheavy Load Configurations and Nucleus of Analysis Vehicle - Report - FHWA-HRT-18-051, December 2018
Analysis Procedures for Evaluating Superheavy Load Movement on Flexible Pavements, Volume IV: Appendix C, Material Characterization for Superheavy Load Movement Analysis - Report - FHWA-HRT-18-052, October 2018
Analysis Procedures for Evaluating Superheavy Load Movement on Flexible Pavements, Volume V: Appendix D, Estimation of Subgrade Shear Strength Parameters Using Falling Weight Deflectometer - Report - FHWA-HRT-18-053, January 2019
Analysis Procedures for Evaluating Superheavy Load Movement on Flexible Pavements, Volume VI: Appendix E, Ultimate and Service Limit Analyses - Report - FHWA-HRT-18-054, October 2019
Analysis Procedures for Evaluating Superheavy Load Movement on Flexible Pavements, Volume VII: Appendix F, Failure Analysis of Sloped Pavement Shoulders - Report - FHWA-HRT-18-055, March 2019
Analysis Procedures for Evaluating Superheavy Load Movement on Flexible Pavements, Volume VIII: Appendix G, Risk Analysis of Buried Utilities Under Superheavy Load Vehicle Movements - Report - FHWA-HRT-18-056, August 2019
Analysis Procedures for Evaluating Superheavy Load Movement on Flexible Pavements, Volume IX: Appendix H, Analysis of Cost Allocation Associated With Pavement Damage Under a Superheavy Load Vehicle Movement - Report - FHWA-HRT-18-057, December 2018
Analysis Procedures for Evaluating Superheavy Load Movement on Flexible Pavements, Volume X: Appendix I, Analysis Package for Superheavy Load Vehicle Movement on Flexible Pavement (Superpack) - Report - FHWA-HRT-18-058, March 2019
Ann Arbor Road Profilometer Meeting, Special Report, FHWA-RD-86-100, PB86-205291/AS (A11)
Application and Validation of Remaining Service Interval Framework for Pavements - Report - FHWA-HRT-16-053, October 2016
Appendix B to The Casual Carpooling Scan Report - EAR Report - FHWA-HRT-13-023, November 2012
Application of Agent Technology to Traffic Simulation
Application Note: FWD Calibration Centers Ensure States Get Quality Data: States Use Falling-Weight Deflectometer (FWD) Data to Develop More Cost-Effective Rehabilitation Strategies - FHWA-RD-02-067, March 2002
Application Note: LTPP Distress Identification Manual Sets a Standard for States: Illinois, Michigan, Mississippi, Missouri, Nevada, and Oklahoma use manual as a baseline for identifying and quantifying distresses - FHWA-RD-02-052, January 2002
Application Note: LTPP Findings Pay Off for Pennsylvania: Change in Pavement Joint Design Standard Saves Pennsylvania Money and Reduces Construction Problems - FHWA-RD-00-064, February 2000
Application Note: New Software Tool Paves the Way for More Cost-Effective, Durable Roads in Kansas: Kansas Relies on LTPPBind Software to Select Superpave Binder PGs - FHWA-RD-00-019, November 1999
Application Note: Using LTPPBind V2.1 to Improve Crack Sealing in Asphalt Concrete Pavements - FHWA-RD-03-080, December 2003
Application of Freeway Simulation Models to Urban Corridors, Vol. VI: Alternative Analysis Report, 171 Northbound Between I-70 and I-670 in Columbus, Ohio, FHWA-RD-92-108, PB93-175396
Applications of Knowledge Discovery in Massive Transportation Data: The Development of a Transportation Research Informatics Platform (TRIP) - Report - FHWA-HRT-19-008, January 2019
Application of New Accident Analysis Methodologies, Vol. I: General Methodology, FHWA-RD-90-091, PB92-115161
Application of New Accident Analysis Methodologies, Vol. II: A Users Manual for BEATS Product Distribution Center, FHWA-RD-91-014, PB92-115179
Application of Radiographic Testing to Multilayered Gusset Plate Inspection - TechBrief - FHWA-HRT-12-071, October 2012
Applying Bundled Speed-Harmonization, Cooperative Adaptive Cruise Control, and Cooperative-Merge Applications to Managed-Lane Facilities, Report, FHWA-HRT-21-008, March 2021 (PDF File, 4.74 MB)
Applying Engineered Logjams and Dolosse for Streambank Stabilization, FHWA-HRT-21-028, Report, February 2021 (PDF - 11.6 MB)
Applying Raman Spectroscopy to Study Alkali—Silica Reaction Gels - Report - FHWA-HRT-20-042, June 2020
Applying Vehicle Dynamics Analysis and Visualization to Roadway and Roadside Studies, FHWA-RD-98-030, PB99-162786
Assessing Pavement Surface Splash and Spray Impact on Road Users - TechBrief - FHWA-HRT-15-062, October 2015
Asphalt Binder and Mixtures Laboratory (ABML) Look-In - Brochure - FHWA-HRT-20-057, June 2020
The Asphalt Binder Oxidative Aging Chemo-Mechanical Model - TechBrief - FHWA-HRT-15-052, May 2018
Asphalt Pavement - Micro-Sampling and Micro-Extraction Methods - TechBrief - FHWA-HRT-15-051, April 2018
Assessment of Changeable Message Sign Technology, FHWA-RD-87-025, PB87/154431/AS (A02)
Assessment of Existing Data Bases for Highway Safety Analysis, FHWA-RD-85-117, PB86-187226/AS (A04)
Assessment of Federal Highway Administration (FHWA) Highway Project Cost Estimation Tools, FHWA-HRT-22-060, Flyer, March 2022 (PDF - 960 KB)
Assessment of The Geographic Information Systems’ (GIS) Needs and Obstacles in Traffic Safety - Report - FHWA-HRT-13-096, October 2013
Assessment of LTPP Friction Data - FHWA-RD-99-037
Assessment of The SPS-7 Bonded Concrete Overlays Experiment: Final Report - Report - FHWA-RD-98-130, October 1998
Assessing Stream Channel Stability at Bridges in Physiographic Regions - Report - FHWA-HRT-05-072, July 2006
Assessing The Structural Health of America's Highway Bridges Effective Wireless Sensor Systems to Monitor Structural Health and Detect Damage - Fact Sheet - FHWA-HRT-17-043, July 2017
Asset Management Guide, FHWA-HRT-06-055
Assistive Technologies for Visually Impaired Persons - Fact Sheet - FHWA-HRT-15-040, February 2015
Association Of Median Width and Highway Accident Rate - Summary Report - FHWA-RD-93-046, August 1993
Association of Selected Intersection Factors with Red-Light-Running Crashes - Summary Report - FHWA-RD-00-112, May 2000 (PDF - 467KB)
Automated High-Performance Liquid Chromatography Saturate, Aromatic, Resin, And Asphaltene Separation - Techbrief - FHWA-HRT-15-055, October 2016
Automated Measurement of Aggregate Indices of Shape - FHWA-RD-95-116
Automated Video Analysis - Analyzing Large Quantities of Transportation Research Data - Fact Sheet - FHWA-HRT-15-070, August 2015
Automated Video Feature Extraction Workshop Summary Report, October 10-11 2012 - EAR Summary Report - FHWA-RD-94-147, December 2012
Automation in Highway Construction - Techbrief - FHWA-HRT-16-032, November 2018
Automation in Highway Construction Part II: Design Guidance and Guide Specification Manual - Report - FHWA-HRT-16-031, February 2018
Automation in Highway Construction Part I: Implementation Challenges at State Transportation Departments and Success Stories - Report - FHWA-HRT-16-030, October 2018

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B


30 mph Broadside Impact of a Minisized Vehicle and a Breakaway Luminaire Support Test # 1785-SI#1-87, FHWA-RD-89-089, PB89-214571/AS A04
30 mph Broadside Impact of a Minisized Vehicle and a Breakaway Luminaire Support Test # 1785-SI#2-87, FHWA-RD-89-090, PB89-214589/AS A04
30 mph Broadside Impact of a Minisized Vehicle and a Breakaway Luminaire Support Test # 1785-SI#3-87, FHWA-RD-89-091, PB89-214597/AS
30 mph Broadside Impact of a Minisized Vehicle and a Breakaway Luminaire Support Test # 1785-SI#4-87, FHWA-RD-89-092, PB89-214605/AS A05
30 mph Broadside Impact of a Minisized Vehicle and a Breakaway Luminaire Support Test # 1785-SI#5-87, FHWA-RD-89-093, PB89-214613/AS A05
30 mph Broadside Impact of a Minisized Vehicle and a Breakaway Luminaire Support Test # 1785-SI#6-88, FHWA-RD-89-094, PB89-214621/AS A05
30 mph Broadside Impact of a Minisized Vehicle and a Breakaway Luminaire Support Test # 1785-SI#7-88, FHWA-RD-89-095, PB89-214639/AS A05
30 mph Broadside Impact of a Minisized Vehicle and a Breakaway Luminaire Support Test # 1785-SI#8-88, FHWA-RD-89-096, PB89-214647/AS A04
Backcalculation of Layer Moduli of LTPP General Pavement Study (GPS) Sites, - Report - FHWA-RD-97-086
Backcalculation of Layer Parameters for LTPP Test Sections, Volume I: Slab on Elastic Solid and Slab on Dense-Liquid Foundation Analysis of Rigid Pavements, FHWA-RD-00-086
Back-Calculation of Layer Parameters For LTPP Test Sections, Volume II: Layered Elastic Analysis for Flexible and Rigid Pavements, FHWA-RD-01-113, October 2002
Back-Casting Breakthrough Research in The Transportation Sector - EAR Summary Report - FHWA-HRT-17-124, July 2018
Balancing Safety and Capacity in an Adaptive Signal Control System—Phase 1, FHWA-HRT-10-038, October 2010
Bared J.G, Prosser W., Tan Esse C., State of the Art Design of Roundabouts, Transportation Research Record (TRR) No. 1579, Transportation Research Board, Washington, D.C., 1997.
Bared J.G., Edara P., Jagannathan R. Design and Operational Performance of Double Crossover Intersection and Diverging Diamond Interchange, Transportation Research Record, TRR No. 1912, Transportation Research Board, Washington, D.C., 2005.
Bared J.G., Edara P., Simulated Capacity of Roundabouts and Impact of Roundabout Within a Progressed Signalized Road, Proceedings of TRB National Roundabout Conference, Vail, Colorado 2005.
Bared J.G., Evans N., Hill R., Petty S., Small F., Zogby, J., Highway Safety Practices in Japan, Australia, and New Zealand S an FHWA Study Tour, Federal Highway Administration, June 1995.
Bared J.G., Giering L.G., Warren D.L., Safety Evaluation of Acceleration and Deceleration Lane Lengths, Institute of Transportation Engineers, ITE Journal, May 1999.
Bared J.G., Kaisar E., Benefits of Split Intersections, Transportation Research Record, TRR No. 1737, Transportation Research Board, Washington, D.C., 2000.
Bared J.G., Kaisar E., Comparison of Diamond Interchanges with Roundabout Interchanges, Conference Proceedings 2nd International Symposium on Highway Geometric Design, Transportation Research Board, German Road and Transportation Research Association, Mainz Germany, 2000.
Bared J.G., Kaisar E., Median U-Turn Design As An Alternative Treatment For Left Turns At Signalized Intersections, Institute of Transportation Engineers Journal, February 2002.
Bared J.G., Powel A., Kaisar E., Jagannathan R., Crash Comparison of Single Point and Tight Diamond Interchanges, American Society of Civil Engineers (ASCE), Journal of Transportation Engineering, May 2005, Volume 131, No. 5, Reston, VA.
Bared J.G; Safety Design Evaluation System for Two-Lane Rural Highways, Dissertation, University of Maryland, 1996. May be obtained through interlibrary loan from your local library. Held by University of Maryland, College Park Library (OCLC #37809270)
Barriers in Construction Zones, Vol. I, FHWA-RD-86-092, PB86-173994/AS (A07)
Barriers in Construction Zones, Vol. II, Appendix A, FHWA-RD-86-093, PB86-174000/AS (A09)
Barriers in Construction Zones, Vol. III, Appendix B, C, D & E, FHWA-RD-86-094, PB86-174018/AS (A12)
Barriers in Construction Zones, Vol. IV, The Response of Atypical Vehicles During Collisions with Concrete Median Barriers, FHWA-RD-86-095, PB86-174026/AS (A09)
Basic Collision Warning and Driver Information Systems: Human Factors Research Needs, FHWA-RD-98-184
Behavior of a Steel Girder Bolted Splice Connection - Report - FHWA-HRT-17-042, November 2017
Behavior of Fiber-Reinforced Polymer (FRP) Composite Piles under Vertical Loads, FHWA-HRT-04-107, August 2006
Behavioral Economics and Transportation, Reference Scan - FHWA-HRT-15-035, April 2015
Better Service, Safer Service: Transit Management for Fixed-Route Systems, FTA.TRI.10.98.1
Bicycle Lanes Versus Wide Curb Lanes: Operational and Safety Findings and Countermeasure Recommendations, FHWA-RD-99-035
Bicycle Safety-Related Research Synthesis, FHWA-RD-94-062
Bicycle/Pedestrian Trip Generation Workshop: Summary, FHWA-RD-97-141
Bond Behavior of Reinforcing Steel in Ultra-High Performance Concrete - Report - October 2014, FHWA-HRT-14-090
Bond Behavior of Reinforcing Steel in Ultra-High Performance Concrete - TechBrief - October 2014, FHWA-HRT-14-089
Bond of Field-Cast Grouts to Precast Concrete Elements - TechNote - January 2017, FHWA-HRT-16-081
Bottomless Culvert Scour Study: Phase II Laboratory Report, FHWA-HRT-07-026, February 2007
Breakthroughs in Vision and Visibility for Highway Safety Workshop Summary Report - August 13-14, 2014 - EAR Summary Report - FHWA-HRT-15-067, August 2015
Bridge Coatings Technology Information
Bridge Pressure Flow Scour for Clear Water Conditions, FHWA-HRT-09-041, December 2009
Bridge Scour in Nonuniform Sediment Mixtures and in Cohesive Materials: Synthesis Report, FHWA-RD-03-083, June 2003.
Building Information Modeling (BIM) Practices in Highway Infrastructure: FHWA Global Benchmarking Program Report, FHWA-HRT-22-048, Fact Sheet, January 2022 (PDF - 464 KB)
Building Information Modeling (BIM) Practices in Highway Infrastructure: FHWA Global Benchmarking Program Report, FHWA-HRT-22-049, Fact Sheet, January 2022 (PDF - 268 KB)
Building Professional Capacity in ITS: An Assessment of ITS Training and Educational Needs - The Transportation Perspective, FHWA-OP-99-019
Building Professional Capacity in ITS: Documentation and Analysis of Training and Educational Needs in Support of ITS Deployment, FHWA-OP-99-015
Building Professional Capacity in ITS: Guidelines for Designing an Individualized Training Education Plan, FHWA-OP-99-016
Building Professional Capacity in ITS: Guidelines for Staffing, Hiring, and Designing Ideal Project Teams, FHWA-OP-99-017

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C


Cable Median Barriers, FHWA-HRT-06-058
Cable-Stay Strand Residual Strength Related to Security Threats - Report, FHWA-HRT-17-109 - January 2018
Canadian Research on Pedestrian Safety, FHWA-RD-90-090
Capacity Analysis of Pedestrian and Bicycle Facilities: Recommended Procedures for the "Bicycles" Chapter of the Highway Capacity Manual, FHWA-RD-98-108
Capacity Analysis of Pedestrian and Bicycle Facilities: Recommended Procedures for the "Pedestrians" Chapter of the Highway Capacity Manual, FHWA-RD-98-107
Capacity Analysis of Pedestrian and Bicycle Facilities: Recommended Procedures for the "Signalized Intersections" Chapter of the Highway Capacity Manual, FHWA-RD-98-106
CARMA Adds to Cooperative Driving Automation (CDA) Message Set to Improve Intelligent Transportation Systems (ITS) Communications, Fact Sheet, FHWA-HRT-21-104, October 2021 (PDF File, 332 KB)
CARMA Simulation Enabling Cooperative Driving Automation Research, Fact Sheet, FHWA-HRT-22-028, December 2021 (PDF File, 968 KB)
Casual Carpooling Focus Group Study - EAR Report, FHWA-HRT-13-053 - May 2013
Casual Carpooling Scan Report - EAR Report, FHWA-HRT-12-053 - November 2012
Case Studies and Annotated Bibliography of Truck Accident Countermeasures on Urban Freeways, FHWA-RD-92-040
Catalog of Functions for Computer Based Traffic Signal Systems, FHWA-RD-85-078, PB86-180486/AS (A06)
Cell Phone Data and Travel Behavior Research - EAR Summary Report, FHWA-HRT-14-060 - July 2014
Challenges in Meeting Data Needs for Use of Environmental Product Declarations in Pavement Design and Construction: State of Practice and Future Scope, FHWA-HRT-20-022, February 2020
Challenges and Opportunities for an ITS Intermodal Freight Program (Final Report), FHWA-OP-99-002
Changeable Message Sign Visibility, FHWA-RD-94-077
Changeable Message Sign Visibility (Summary Flyer), FHWA-RD-97-075
The Capability and Enhancement of VDANL and TWOPAS for Analyzing Vehicle Performance on Upgrades and Downgrades Within IHSDM, FHWA-RD-00-078, August 2000 (PDF - 1,431KB)
Characterization of Bridge Foundations Workshop Report - Report - FHWA-HRT-04-103, November 2013
Characteristics of Emerging Road and Trail Users and Their Safety, FHWA-HRT-04-103, October 2004
Characterization of Transverse Profiles abstract online only. FHWA-RD-01-024, NTIS No. PB2001-105685
Characteristic of Glass Fibers-Reinforced Composite Materials for Use in Roadside Safety Barriers, FHWA-RD-94-048
Characteristics and Needs for Overhead Guide Sign Illumination From Vehicular Headlamps, FHWA-RD-98-135, PB99-177749
Characterizing Existing Asphalt Concrete Layer Damage for Mechanistic Pavement Rehabilitation Design - Report - FHWA-HRT-17-059, August 2018
Characterizing Roadside Hardware Materials for LS-DYNA3D Simulations, FHWA-RD-96-108
Chemistry Research Facility Fact Sheet, FHWA-HRT-08-059
China Earthquake Reconnaissance Report: Performance of Transportation Structures During the May 12, 2008, M7.9 Wenchuan Earthquake, FHWA-HRT-11-029, February 2011
Classification of Features of Pavement Profiles Using Empirical Mode Decomposition - Techbrief - FHWA-HRT-13-093, December 2014
Coating Performance on Existing Steel Bridge Superstructures - Report - FHWA-HRT-20-065, September 2020
Collaborative Research on Road Weather Observations and Predictions by Universities, State DOTs and National Weather Service Forecast Offices, FHWA-HRT-04-109, September 2004
Collecting and Analyzing Stakeholder Feedback for Signing At Complex Interchanges - Report - FHWA-HRT-14-069 - October 2014
Collection of Data with Unmanned Aerial Systems (UAS) for Bridge Inspection and Construction Inspection - Report - FHWA-HRT-21-086, September 2021 (PDF 8.59 MB)
Commercial Driver Rest and Parking Requirements: Making Space for Safety Final Report, FHWA-MC-96-0010, May 1996 (PDF - 524KB)
Commercial Driver Rest Area Requirements: Making Space for Safety, Appendix C-How to Determine Commercial Drivers' Requirements for Parking at Rest Areas, February 1996
Commercial Vehicle Driver Survey: Assessment of Parking Needs and Preferences, FHWA-RD-01-160
Common Characteristics of Good and Poorly Performing AC Pavements, FHWA-RD-99-193
Communications Reference Guide, FHWA-RD-03-074
Communications in Traffic Control Systems, Volume I: Executive Summary, FHWA-RD-88-011, PB89-185813/AS (AO3)
Communications in Traffic Control Systems. Volume II: Final Report, FHWA-RD-88-012, PB89-185821/AS (A07)
COMP624P Program Users Guide Version 1.0, FHWA-IP-90-005
Comparable Systems Analysis: Comparing Automated Highway Systems to Air Traffic Management Final Report (Resource Materials), FHWA-RD-95-187
Comparable Systems Analysis: Design and Operation of Advanced Control Centers - Report - FHWA-RD-94-147, August 1995
A Comparative Laboratory Study of Metallic Reinforcing Steels for Corrosion Protection of Reinforced Concrete Bridge Structures - Report - FHWA-HRT-15-078, June 2018
Comparison of Driver Yielding for Rectangular Rapid-Flashing Beacons Used Above and Below Pedestrian Crossing Signs, FHWA-HRT-16-041
Comparison of Older and Younger Driver Responses to Emergency Driving Events, FHWA-RD-95-056
Comparison of the Safety of Lighting Options on Urban Freeways, FHWA-RD-94-188
Compilation and Evaluation of Results From High-Performance Concrete Bridge Projects (TechBrief), FHWA-HRT-05-060, November 2005
Compilation and Evaluation of Results From High-Performance Concrete Bridge Projects, Volume II: Appendixes, FHWA-HRT-05-057, October 2006
Compilation and Evaluation of Results From High-Performance Concrete Bridge Projects, Volume I: Final Report, FHWA-HRT-05-056, October 2006
Composite Behavior of Geosynthetic Reinforced Soil Mass - Report - FHWA-HRT-10-077, July 2013
Compression Response of a Rapid-Strengthening Ultra-High Performance Concrete Formulation - Techbrief - FHWA-HRT-12-064, September 2012
Compute Parameters: An Input for Moisture Calculations-Dielectric Constant From Apparent Length, FHWA-RD-99-201
Computer-Based Guidelines for Concrete Pavements Volume I-Project Summary, FHWA-HRT-04-121, February 2005
Computer-Based Guidelines for Concrete Pavements: HIPERPAV III USER MANUAL, FHWA-HRT-09-048, January 2010
Computer-Based Guidelines for Concrete Pavements, HIPERPAV III®, Version 3.3 User's Manual, FHWA-HRT-14-087, March 2015
Computer-Based Guidelines For Concrete Pavements Volume II-Design and Construction Guidelines and HIPERPAV II User's Manual, FHWA-HRT-04-122, February 2005
Computer-Based Guidelines For Concrete Pavements Volume III: Technical Appendices, FHWA-HRT-04-127, January 2006
Computer-Based Guidelines For Concrete Pavements, HIPERPAV III®, Version 3.3 User's Manual, FHWA-HRT-14-0-87, May 2015
Computed Parameters: Freeze/Thaw Monograph for LTPP, FHWA-RD-89-208
Computer Programs for Safety Analysis, FHWA-RD-87-072, PB87-212825/AS (A04)
Computer Programs for Safety Analysis, HISAM User's Manual and Operations Guide, FHWA-RD-87-073, PB87-212833/AS (A03)
Concrete Mixture Optimization Using Statistical Methods, Final Report, FHWA-RD-03-060
Concrete Pavement Road Map, Long Term Plan for Concrete Pavement Research and Technology, FHWA-HRT-05-047, June 2005
Concrete:Fiber Reinforced Concrete: Subject Index
Plain and Structural Concretes: Subject Index
Conference Proceedings on Neural Network Applications in Highway and Vehicle Engineering, FHWA-RD-96-154
Congestion Pricing Experiments and The Effects on Driver Choices - EAR Fact Sheet, July 2013
Consequences of Mandatory Stops at Railroad crossing, Dec 1985, FHWA-RD-86-014, PB86-179579/AS (A09)
Constant Warning Time Devices for Railroad-Highway Crossings, Vol. I, Dec. 1985, FHWA-RD-86-156, PB86-209715/AS (A06)
Controlled-Environment Testing of UAS Digital Camera Sensor Specifications and Operational Parameters for Bridge Safety Inspections - TechBrief - FHWA-HRT-21-060, June 2021 (PDF 736 KB)
Construction Costs and Safety Impacts of Work Zone Traffic Control Strategies, Vol. I: Final Report, FHWA-RD-87-074, PB87-212841/AS (A07)
Construction Costs and Safety Impacts of Work Zone Trafficx Control Strategies, Vol. II: Informational Guide, FHWA-RD-89-209
Construction Quality Assurance for Design-Build Highway Projects - Techbrief - FHWA-HRT-12-039, April 2012
Construction Quality Assurance For Federally Funded Local Public Agency Projects - Techbrief - FHWA-HRT-15-009, March 2015
Contributing Factors for Focus Crash and Facility Types, FHWA-HRT-20-052, November 2020 (PDF File, 3.67 MB)
Contributing Factors for Focus Crash and Facility Types: Quick Reference Guide, FHWA-HRT-20-053, November 2020 (PDF File, 0.5 MB)
Conversion of the NARD Computer Program to the PC Environment, FHWA-RD-90-031
Cooperative Adaptive Cruise Control: Human Factors Analysis - Report - FHWA-HRT-13-045, October 2013
Cooperative Adaptive Cruise Control Human Factors Study: Experiment 1 - Workload, Distraction, Arousal, and Trust - Report - FHWA-HRT-16-056, December 2016
Cooperative Adaptive Cruise Control Human Factors Study: Experiment 2 - Merging Behavior - Report - FHWA-HRT-16-057, December 2016
Cooperative Adaptive Cruise Control Human Factors Study: Experiment 3 - The Role of Automated Braking and Auditory Alert in Collision Avoidance Response - Report - FHWA-HRT-16-058, December 2016
Cooperative Adaptive Cruise Control Human Factors Study: Experiment 4 - Preferred Following Distance and Performance in An Emergency Event - Report - FHWA-HRT-17-024, April 2017
Cooperative Adaptive Cruise Control Human Factors Study - Report - FHWA-HRT-17-025, December 2017
Cooperative Adaptive Cruise Control: Taking Cruise Control to The Next Level - Fact Sheet - FHWA-HRT-16-044, February 2016
Cooperative Automation Research: CARMA Proof-of-Concept Transportation System Management and Operations Use Case 1 - Basic Arterial Travel–Stop-Controlled Intersections, Report FHWA-HRT-21-070, August 2021 (PDF File 1.61 MB)
Cooperative Automation Research: CARMA Proof-of-Concept Transportation System Management and Operations Use Case 2, Report FHWA-HRT-21-069, September 2021 (PDF File 1.29 MB)
Cooperative Automation Research: High-Level Framework of CARMASM Proof-of-Concept TSMO Use Case Testing for CARMA StreetsSM, Report FHWA-HRT-21-107, January 2022 (PDF File 1.03 MB)
Cooperative Automation Research: CARMA Proof-of-Concept TSMO Use Case Testing: CARMA Cooperative Perception Concept of Operations, Report FHWA-HRT-22-062, April 2022 (PDF File 3.36 MB)
Cooperative Driving Automation Transportation Systems Management and Operations Strategies and Use Cases–An Overview, Fact Sheet, FHWA-HRT-22-067, May 2022 (PDF File, 1.39 MB)
Coordinated Freeway and Arterial Operations Handbook - Brochure, FHWA-HRT-06-094
Coordinated Freeway and Arterial Operations Handbook, FHWA-HRT-06-095, May 2006
Coordinating High-Resolution Traffic Cameras - Developing Intelligent, Collaborating Cameras for Transportation Security and Communications - Fact Sheet - FHWA-HRT-15-068, August 2015
Corrosion Cost and Preventive Strategies in the United States, FHWA-RD-01-156
Corrosion Forecasting and Failure Projection of Post-Tensioned Tendons in Deficient Cementitious Grout - Report - FHWA-HRT-17-074, May 2018
Corrosion Inhibitors in Concrete: Interim Report, FHWA-RD-02-003
Corrosion Inhibitors in Concrete: Interim Report FHWA-RD-02-002
Corrosion Monitoring Research for City of New York Bridges - Report - FHWA-HRT-14-023, May 2014
Corrosion Monitoring Research of New York City Bridges - Techbrief - FHWA-HRT-14-024, December 2013
Corrosion Protection: Concrete Bridges, FHWA-RD-98-088, September 1998
Corrosion Resistant Alloys for Reinforced Concrete, FHWA-HRT-07-039, July 2007
Corrosion Resistant Alloys for Reinforced Concrete, FHWA-HRT-09-020, April 2009
Corrosivity of Water-Soluble Sulfate Ions in Simulated Pore Water Solutions and Different Types of Grout Samples - Report - FHWA-HRT-21-052, May 2021 (PDF 3.33 MB)
Cost Estimate Development and Oversight - Presentation, March 2022, PDF 1.09 MB
Cost-Effective Inventory Procedures for Highway Data: User's Manual, FHWA-IP-85-14, PB86-196953/AS (A05)
Cost-Effective Roadway Drainage Design Using Economic Analysis, FHWA-RD-88-126
Covered Bridge Manual, FHWA-HRT-04-098, April 2005
Cost Effectiveness of Sampling and Testing Programs, Executive Summary, FHWA-RD-85-029, PB86-243995/AS (A03)
Cost Effectiveness of Sampling and testing Programs, Executive Summary, FHWA-RD-85-030, PB86-155199/AS (A17)
Countdown Pedestrian Signals (CPS) Legibility and Comprehension without Flashing Hand: Phase I and Phase II Final Report, FHWA-HRT-22-059, April 2022 (PDF), 1.15 MB
Crashworthiness and Scaling Issues in Using Composite Materials for Guardrail Applications, FHWA-RD-94-171
Crash Cost Estimates by Maximum Police-Reported Injury Severity Within Selected Crash Geometries, FHWA-HRT-05-051, October 2005
Crash Data Analyses for Vehicle-To-Infrastructure Communications for Safety Applications - Report - FHWA-HRT-11-040, November 2012
Crash Models for Rural Intersections, FHWA-RD-99-128, October 1999
Crash Modification Factor for Corner Radius, Right-Turn Speed, and Prediction of Pedestrian Crashes at Signalized Intersections, TechBrief, FHWA-HRT-21-106, October 2021, (PDF), 460 KB
Crash Modification Factor for Corner Radius, Right-Turn Speed, and Prediction of Pedestrian Crashes at Signalized Intersections, Report, FHWA-HRT-21-105, January 2022, (PDF), 3.05 MB
Crash Modification Factors Needs Assessment Workshop - Summary Report - FHWA-HRT-15-020, March 2015
Crash Testing and Evaluation of Retrofit Bridge Railings and Transition, FHWA-RD-96-032
Creating Productive Roadways, FHWA-HRT-12-063 - EAR Fact Sheet, May 2013
Critical Literature Review of High-Performance Corrosion Reinforcements in Concrete Bridge Applications, FHWA-HRT-04-093, July 2004
Crosswalk Marking Field Visibility Study, FHWA-HRT-10-067, October 2010
Crosswalk Marking Field Visibility Study, FHWA-HRT-10-068, November 2010
Crush Characteristics for 1981?1983 Honda Civics, FHWA-RD-94-079
Cultivating Materials Science Research to Benefit Surface Transportation Initiatives, FHWA-HRT-18-067 - EAR Brochure, December 2018
Cultivating Materials Science Research to Benefit Surface Transportation 2022 Update - Brochure - FHWA-HRT-22-025, January 2022 (PDF 8.53 MB)
Curb-Opening Inlet Interception On Grade TechNote, TechNote, FHWA-HRT-22-061, May 2022 (PDF 1.81 MB)
FHWA LTBP Summary - Current Information on the Use of Overlays and Sealers, FHWA-HRT-16-079 - Summary Report, October 2017
Curl and Warp Analysis of The LTPP SPS-2 Site in Arizona - Report – FHWA-HRT-12-068, December 2012
Curl and Warp Analysis of The LTPP SPS-2 Site in Arizona - Techbrief - FHWA-HRT-13-040, May 2013

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D


Data Resources Testbed 101 Overview, Fact Sheet, FHWA-HRT-22-053, January 2022 (PDF File, 605 KB)
Decision Support for Traffic Management Systems—Current Practices, Report FHWA-HRT-21-108, November 2021 (PDF File 2.59 MB)
Design and Construction of Driven Pile Foundations: Lessons Learned on the Central Artery/Tunnel Project, FHWA-HRT-05-159, June 2006
Design of Continuously Reinforced Concrete Pavements Using Glass Fiber Reinforced Polymer Rebars, FHWA-HRT-05-081, October 2005
Designing A New National Household Travel Survey Innovations in Collecting and Analyzing Long-Distance Travel Information, FHWA-HRT-13-081 - EAR Fact Sheet, September 2013
Designing Effective In-Vehicle Icons (Research Update), FHWA-RD-00-090, April 2000 (PDF - 153KB)
Detection and Sizing of Cracks in Structural Steel Using the Eddy Current Method FHWA-RD-00-018, November 2000
Detection Technology for the Intelligent Vehicle - Highway System (IVHS) Executive Summary
Determination of Improved Pavement Smoothness When Using 3D Modeling and Automatic Machine Guidance - FHWA-HRT-21-059 - Report, June 2021, PDF 7.32 MB
Developing Analysis, Modeling, and Simulation Tools for Connected and Automated Vehicle Applications: A Case Study for I—66 in Virginia, Report FHWA-HRT-21-050, May 2021 (PDF File 3.36 MB)
Developing Analysis, Modeling, and Simulation Tools for Connected and Automated Vehicle Applications, Report FHWA-HRT-21-077, September 2021 (PDF File 7.22 MB)
Developing Analysis, Modeling, and Simulation Tools for Connected Automated Vehicle Applications: Traffic Optimization for Signalized Corridors–Case Studies in Ann Arbor, MI, and Conroe, TX, Report FHWA-HRT-21-085, September 2021 (PDF File 2.25 MB)
Developing Crash Modification Factors for Bicycle-Lane Additions While Reducing Lane and Shoulder Widths, Report, FHWA-HRT-21-013, July 2021, (PDF), 1.18 MB
Developing Crash Modification Factors for Bicycle-Lane Additions While Reducing Lane and Shoulder Widths, TechBrief, FHWA-HRT-21-012, June 2021, (PDF), 628 KB
Developing Crash Modification Factors for Guardrails, Utility Poles, and Side-Slope Improvements, Report, FHWA-HRT-21-075, August 2021, (PDF), 7.34 MB
Developing Crash Modification Factors For Variable Speed Limits Techbrief, pub. number FHWA-HRT-21-080, August 2021 (PDF - 324 KB)
Development Of a Family of Ultra-High Performance Concrete Pi-Girders - Techbrief - FHWA-HRT-14-028, January 2014
Development of Guidelines for Bearing Resistance of Large Diameter Open-End Steel Piles - Report - FHWA-HRT-20-011, February 2020
Development of A Platform Technology for Automated Vehicle Research – Cooperative Adaptive Cruise Control - Fact Sheet - FHWA-HRT-15-032, April 2015
Development of a Speeding-Related Crash Typology, FHWA-HRT-10-024
Data Collection Procedures for Use with Skid Resistance Measurements, Vol. I, FHWA-RD-84-108, PB86-167269/AS (A04)
Data Collection Procedures for Use with Skid Resistance Measurements, Vol. II, Resistance Measurements, FHWA-RD-84-109, PB86-167251/AS (A07)
Daytime Color Appearance of Retroreflective Traffic Control Sign Materials - Report - FHWA-HRT-13-018, April 2013
FHWA Deep Foundation Load Test Database Version 2.0 User Manual - Report - FHWA-HRT-17-034, September 2016
Delineation of Hazards for Older Drivers, Vol. I: Final Report, FHWA-RD-96-161
Delineation of Hazards for Older Drivers, Vol. II: Appendixes, FHWA-RD-96-162
Description of the Integrated Driver Model, FHWA-RD-94-092
Design and Construction Guidelines for Geosynthetic Reinforced Soil Abutments and Integrated Bridge Systems - Report - FHWA-HRT-17-080, June 2018
Design and Construction of UHPC-Based Bridge Preservation and Repair Solutions, FHWA-HRT-22-065, Report, May 2022 (PDF - 4.51 MB)
Report: Design and Construction of Field-Cast UHPC Connections, Technical Note - FHWA-HRT-14-084, October 2014
Report: Design and Construction of PCC Pavements Volume I: Summary of Design Features and Construction Practices That Influence Performance of Pavements, FHWA-RD-98-052
Report: Design and Construction of PCC Pavements Volume II: Design Features and Practices That Influence Performance of Pavements, FHWA-RD-98-127
Design and Evaluation of Jointed Plain Concrete Pavement with Fiber Reinforced Polymer Dowels, FHWA-HRT-06-106
Design Criteria for Adaptive Roadway Lighting, - Report - FHWA-HRT-14-051, July 2014
Design of an ITS-Level Advanced Traffic Management System: A Human Factors Perspective, FHWA-RD-95-181
Design Pamphlet for The Backcalculation of Pavement Layer Moduli in Support of The 1993 Aashto Guide for The Design of Pavement Structures, - Report - FHWA-RD-97-076
Design Pamphlet for the Determination of Design Subgrade in Support of the 1993 AASHTO Guide for the Design of Pavement Structures, - Report - FHWA-RD-97-083
Design Pamphlet for The Determination of Layered Elastic Moduli for Flexible Pavement Design in Support of The 1993 Aashto Guide for The Design of Pavement Structures, - Report - FHWA-RD-97-077
Detailed Concept of Operations: Transportation Systems Management and Operations/Cooperative Driving Automation Use Cases and Scenarios, FHWA-HRT-20-064, December 2020 (PDF File)
Detection Technology for IVHS, Final Report, FHWA-RD-95-100
Detection Technology for IVHS, Vol. II: Final Report Addendum, FHWA-RD-96-109
Determination of Improved Pavement Smoothness When Using 3D Modeling and Automatic Machine Guidance Techbrief, pub. number FHWA-HRT-21-021, February 2021 (PDF - 500 KB)
Determination of In-Place Elastic Layer Modulus: LTPP Backcalculation Methodology and Procedures - Techbrief - FHWA-HRT-15-037, August 2015
Developing Analysis, Modeling, and Simulation Tools for Connected Automated Vehicle Applications: A Case Study on SR 99 in California Report, pub. number FHWA-HRT-21-039, March 2021 (PDF - 1.18 MB)
Developing Crash Modification Factors for Adaptive Signal Control Technologies Report, pub. number FHWA-HRT-20-072, February 2021 (PDF - 1.51 MB)
Developing Crash Modification Factors for Adaptive Signal Control Technologies Techbrief, pub. number FHWA-HRT-20-073, March 2021 (PDF - 632 KB)
Developing Crash Modification Factors for Guardrails, Utility Poles, and Side-Slope Improvements, TechBrief, FHWA-HRT-21-076, August 2021, (PDF), 320 KB
Developing Crash-Modification Factors for High Friction Surface Treatments. Report pub. number FHWA-HRT-20-061 (PDF - 4.03 MB)
Developing Crash-Modification Factors for High-Friction Surface Treatments: Friction Change Report Report pub. number FHWA-HRT-20-062 (PDF - 1.89 MB)
Developing Crash Modification Factors for Variable Speed Limits Report, pub. number FHWA-HRT-21-053, May 2021 (PDF - 1.28 MB)
Developing Freeway and Incident Management Systems Using the National ITS Architecture, FHWA-JPO-98-032
Developing Intelligent Information Transportation Systems Using the National ITS Architecture: An Executive Edition for Senior Transportation Managers, FHWA-JPO-98-025
Developing Performance Specifications for Retroreflective Devices, FHWA-RD-88-217
Developing Traveler Information Systems Using the National ITS Architecture, FHWA-JPO-98-031
Development of A Behavioral-Based National Freight Demand Model - Fact Sheet - FHWA-HRT-17-122, June 2018
Development of Countermeasures for Driver Maneuver Errors, FHWA-RD-00-022
Development and Field Testing of Multiple Deployment Model Pile FHWA-RD-99-194, June 2000
Development of a Driver Vehicle Module (DVM) for the Interactive Highway Safety Design Model (IHSDM), FHWA-HRT-08-019, November 2007
Development of Experiment Design: SPS-12 Portland Cement Concrete Pavement Preservation Study - Report - FHWA-HIF-18-064
Development of Exposure Measures for Highway Safety Analysis, Vol. I; Final Report, FHWA-RD-87-092, PB89-155832/AS (A06)
Development of Exposure Measures for Highway Safety Analysis, Vol. II; Appendices, FHWA-RD-87-093, PB89-155840/AS (A10)
Development of Human Factors Guidelines for Advanced Traveler Information Systems (ATIS) and Commercial Vehicle Operations: An Examination of Driver Performance Under Reduced Visibility Conditions When Using an In-Vehicle Signing and Information System, FHWA-RD-99-130
Development of Human Factors Guidelines for Advanced Traveler Information Systems (ATIS) and Commercial Vehicle Operations: Driver Response To Unexpected Situations When Using an In-Vehicle Information System, FHWA-RD-99-131
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Comparable Systems Analysis, FHWA-RD-95-197
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: CVO Driver Fatigue and Complex in-Vehicle Systems, FHWA-RD-96-151
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Definition and Prioritization of Research Studies, FHWA-RD-96-177
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Display Formats and Commerical Vehicle Operator Driver Workload, FHWA-RD-96-152
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Driver Memory for In-Vehicle Visual and Auditory Messages, FHWA-RD-96-148
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Exploring Driver Acceptance of In-Vehicle Information Systems, FHWA-RD-96-143
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Human Factors Evaluation of the Effectiveness of Multi-Modality Displays in ATIS, FHWA-RD-96-150
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Identification of the Strengths and Weaknesses of Alternative Information Display Formats, FHWA-RD-96-142
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Integration of ATIS and Crash Avoidance In-Vehicle Information: Preliminary Simulator Study, FHWA-RD-99-133
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Investigation of ATIS Function Transition and the Effects of an In-Vehicle ATIS on Driver Performance, FHWA-RD-96-146
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Literature Review, FHWA-RD-95-153
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Task Analysis of ATIS/CVO Functions, FHWA-RD-95-176
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: The Effects of Inaccurate Traffic Information on Driver Behavior and Acceptance of an Advanced In-Vehicle Traveler Information System, FHWA-RD-96-145
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commerical Vehicle Operations: Components of the Intelligent Transportation Systems: Designs Alternatives for In-Vehicle Information Displays, FHWA-RD-96-147
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Investigation of User Stereotypes and Preferences, FHWA-RD-96-149
Development of Improved Traffic Analysis Tools, FHWA-RD-88-201
Development of Large Truck Safety Data Needs Study Plan, Vol. II: Final Report, FHWA-RD-88-137, PB88-175831/AS (A07)
Development of Non-Proprietary Ultra-High Performance Concrete for Use in The Highway Bridge Sector - Techbrief - FHWA-HRT-13-100 - October 2013
Report: Development of Performance-Related Specifications for Portland Cement Concrete Pavement Construction, FHWA-RD-89-211
Development of Phased-Array Ultrasonic Testing Acceptability Criteria (Phase I) - Techbrief - FHWA-HRT-14-074 - October 2013
Development of Phased-Array Ultrasonic Testing Acceptability Criteria (Phase II) - Techbrief - FHWA-HRT-14-075 - October 2013
Development of Plan for Upgrading Vehicle-Barrier Response Simulation. Capabilities,
FHWA-RD-92-070
Development of Relationship Between Truck Accidents and Geometric Design: Phase I,
FHWA-RD-91-124, PB93-217206
Development of Roadside Safety Data Collection Plan, FHWA-RD-92-113
Development of Severity Indices for Roadside Objects, FHWA-RD-95-165
Dimensional Stability of Grout-Type Materials Used as Connections for Prefabricated Bridge Elements - Report - FHWA-HRT-16-008 - May 2016
Dimensional Stability of Grout-Like Materials Used in Field-Cast Connections - Technical Note - FHWA-HRT-16-080 - December 2016
Dispute Resolution Guidance for Environmental Streamlining, FHWA-HRT-06-059
Distress Identification Manual for the Long-Term Pavement Performance Program (Fourth Revised Edition) FHWA-RD-03-031 (PDF - 1.98 MB)
Distress Identification Manual for the Long-Term Pavement Performance Program (Fifth Revised Edition) Report - FHWA-RD-03-031 - May 2014
Distribution Of The FHWA GRS-IBS Construction Video Memorandum, October 2011
Driver Adaptation to Vehicle Automation: The Effect of Driver Assistance Systems on Driving Performance and System Monitoring, Report, FHWA-HRT-22-072, June 2022 (PDF - 695 KB)
Driver Attitudes and Behaviors at Intersections and Potential Effectiveness of Engineering Countermeasures FHWA-HRT-05-078, November 2005 (PDF 1.29 MB)
Driver Expectations When Navigating Complex Interchanges - Report - FHWA-HRT-13-048 - October 2013
Driver Needs on Two-Lane Rural Highway, Vol. II, Simplified Location of Information Deficiencies (SLIDE): A Procedure, FHWA-RD-85-098
Driver Needs on Two-Lane Rural Highway, Vol. III, Appendices, FHWA-RD-85-099
Driver Needs on Two-Lane Rural Highway, Vol. IV, Technical Report, FHWA-RD-85-100
Driver Response to Active Advanced Warning Signs at High-Speed Signalized Intersections,
FHWA-RD-86-130
Drivers' Activities and Information Needs in an Automated Highway System, FHWA-RD-96-066
Driver Model Platform - Version 0.6 (FHWA) - Fact Sheet - FHWA-HRT-18-014, December 2017
Driver's Response to an Automated Highway System With Reduced Capability, FHWA-RD-96-067
Driver's Response to Decreasing Vehicle Separations During Transitions Into the Automated Lane, FHWA-RD-95-107
Driver Simulators to Test Shared Controls, Limited Autonomy Vehicle Systems - EAR Literary Review - FHWA-HRT-15-077, September 2015
Durability Analysis of Aluminized Type 2 Corrugated Metal Pipe
FHWA-RD-97-140, January 2000 (PDF - 1.16MB)
Durability of Geosynthetics for Highway Application (TechBrief), FHWA-RD-01-050, January 2001
Durability of Segmental Retaining Wall Blocks: Final Report, FHWA-HRT-07-021, April 2007
Dutch Pedestrian Safety Research Review, FHWA-RD-99-092
Dynamic Compaction for Highway Construction, FHWA-RD-86-133, PB87-157491/AS
Dynamic Evaluation of the New FOIL Instrument Rigid Pole: FOIL Test Numbers 96F008 through F6F015, FHWA-RD-99-026
DYNASMART-P, FHWA-HRT-06-060
Dynamic Bridge Substructure Evaluation and Monitoring, FHWA-RD-03-089, September 2005
(PDF 6.18 MB)
Dynamic Properties of Stay Cables on the Bill Emerson Bridge - Report - FHWA-HRT-17-037, May 2018
Dynamic Properties of Stay Cables on the Leonard P. Zakim Bunker Hill Bridge - Report - FHWA-HRT-21-058, May 2021 (PDF 11.9 MB)
Dynamic Properties of Stay Cables on the Penobscot Narrows Bridge FHWA-HRT-14-067, September 2014

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E


e-Ticketing Handout, Technical Note, FHWA-HRT-22-044, January 2022 (PDF - 220 KB)
e-Ticketing Implementation Plan, FHWA-HRT-22-045, Report, December 2021 (PDF - 1.25 MB)
e-Ticketing Participant Workbook, FHWA-HRT-22-012, Report, December 2021 (PDF - 6.94 MB)
EAR Program Research Results - Brochure - FHWA-HRT-22-034, December 2021 (PDF 15.33 MB)
EAR Program Research Results - Updated Through 2013 Catalog - FHWA-HRT-14-033, December 2013
EAR Program Research Results - Updated Through 2014 Catalog - FHWA-HRT-15-024, December 2014
EAR Program Research Results - Updated Through 2016 Catalog - FHWA-HRT-17-021, December 2016
EAR Program Research Results - Updated through 2018 Catalog - FHWA-HRT-18-068, December 2018
EAR Research Associateship Program Highlights: Where Are They Now? - Fact Sheet - FHWA-HRT-19-043, December 2019
Eco-Approach and Departure at Signalized Intersections - Fact Sheet - FHWA-HRT-15-011, November 2014
Eco-Drive Experiment on Rolling Terrain for Fuel Consumption Optimization Techbrief - FHWA-HRT-18-010, December 2017
Eco-Drive Experiment on Rolling Terrain for Fuel Consumption Optimization Summary Report - FHWA-HRT-18-037, March 2018
Effective Indicators of Partially Automated Truck Platooning - Techbrief - FHWA-HRT-21-016, January 2021
Effective Practices for Managing Bridge Inspection Data Captured by UAS - TechBrief - FHWA-HRT-21-043, March 2021 (PDF 644 KB)
Effective Use of Geospatial Tools in Highway Construction - Report - FHWA-HIF-19-089, August 2018
ErgoTMC, a New Tool for Human-Centered TMC Design (Research Update)
FHWA-RD-00-089, April 2000 (PDF - 112KB)
Edara P.; Bared J.G., Jagannathan R., Diverging Diamond Interchange and Double Crossover Intersection - Vehicle and Pedestrian Performance, Proceedings of TRB International Symposium on Highway Geometric Design, Chicago, 2005.
The Effective Integration of Analysis, Modeling, and Simulation Tools - Report - FHWA-HRT-13-036, August 2013
Effects of Age, Spatial Ability, and Navigational Information on Navigational Performance,
FHWA-RD-95-166
Effects of Geosynthetic Reinforcement Spacing on the Behavior of Mechanically Stabilized Earth Walls, FHWA-RD-03-048, September 2003.
The Effects of Higher Strength and Associated Concrete Properties on Pavement Performance,
FHWA-RD-00-161, June 2000 (NTIS No. PB2001-107672)
Part A (PDF - 1,398KB), Part B (PDF- 1,171KB), Part C (PDF - 2,627KB)
Effects of Inlet Geometry on Hydraulic Performance of Box Culverts, FHWA-HRT-06-138,
December 2006
Effects of Raising and Lowering Speed Limits on Selected Roadway Sections (Summary Report)
FHWA-RD-97-002
The Effect of Crosswalk Markings on Vehicle Speeds in Maryland, Virginia, and Arizona
FHWA-RD-00-101 (PDF - 267KB)
Effective Integration of Analysis, Modeling and Simulation Tools Flyer - FHWA-HRT-13-087, August 2013
Effective Practices for Routine Bridge Inspections Using Unmanned Aerial Systems - TechBrief - FHWA-HRT-21-083, September 2021 (PDF 1.10 MB)
The Effects of Innovative Pedestrian Signs at Unsignalized Locations: A Tale of Three Treatments FHWA-RD-00-098 (PDF - 11,144KB)
Effects of Prohibiting Left-Turns at Signalized Intersections, FHWA-RD-84-083,
PB89-113740/AS (A04)
Effects of Raising and Lowering Speed Limits on Selected Roadway Sections, FHWA-RD-97-084
Effects of Supplemental Interchange Signing on Driver Control Behavior, FHWA-RD-86-077,
PB86-199353/AS (A04)
The Effects of Traffic Calming Measures on Pedestrian and Motorist Behavior, FHWA-RD-00-104 (PDF - 962KB)
Effects of Wheel-Load Spatial Repeatability on Road Damage: A Literature Review - Report - FHWA-RD-97-036, September 1998
Effects of Yellow Rectangular Rapid-Flashing Beacons on Yielding at Multilane Uncontrolled Crosswalks, FHWA-HRT-10-043
Effects of Yellow Rectangular Rapid-Flashing Beacons on Yielding at Multilane Uncontrolled Crosswalks, FHWA-HRT-10-046, August 2010
Efficient and Safe Merging Solutions - Advanced Freeway Merge Assistance: Harnessing The Potential of Connected Vehicles - Report - FHWA-HRT-14-045, February 2014
Efficient Messaging for Changeable-Message Signs During Nonrecurring Events - Fact Sheet - FHWA-HRT-19-012, January 2019
Electrochemical Chloride Extraction: Influence of Concrete Surface on Treatment
FHWA-RD-02-107 (PDF version)
Electrical Resistivity Testing to Rapidly Assess the Durability Of UHPC-Class Materials, FHWA-HRT-21-095, TechBrief, February 2022 (PDF - 2.81 MB)
Empirical Bayes Approach to the Estimation for "Unsafety: the Multi-Variate Method", FHWA-RD-90-006, PB90-208489/AS (A04)
Engineering Factors Affecting Traffic Signal Yellow Time, FHWA-RD-85-054, PB86-126257/AS (A06)
Engineering Factors Affecting Traffic Signal Yellow Time: Data Collection Manual, FHWA/RD-85-055, PB86-126265/AS (A05)
Enhanced Abutment Scour Studies For Compound Channels, August 2004, FHWA-RD-99-156
(PDF version)
Enhanced Analysis of Falling Weight Deflectometer Data for Use With Mechanistic-Empirical Flexible Pavement Design and Analysis and Recommendations for Improvements to Falling Weight Deflectometers - Report - FHWA-HRT-15-063, March 2017
Enhanced Night Visibility Series
Enhanced Prediction of Vehicle Fuel Economy and Other Vehicle Operating Costs Evaluation, FHWA-HRT-22-063 - TechBrief, April 2022, PDF size 282.21 KB
Enhanced Value Iteration Process-Actuated Signals, Programmers Manual, FHWA-RD-88-147
Enhancing Conspicuity for Standard Signs and Retroreflectivity Strips on Posts, TechBrief, FHWA-HRT-22-066, May 2022, (PDF), 1.72 MB
Enhancing Public Safety, Saving Lives: Emergency Vehicle Preemption, FHWA-JPO-99-002
Enhancing Safety and Operations at Complex Interchanges With Improved Signing, Markings, and Integrated Geometry - Report - FHWA-HRT-17-048, May 2018
Enhancing Statistical Methodologies For Highway Safety Research – Impetus From FHWA - Report - FHWA-HRT-14-081, November 2014
Environmental Sensors for Safe Traffic Operations, FHWA-RD-95-073
Errata: Minimum Retroreflectivity Levels for Blue and Brown Traffic Signs (July 5, 2011), FHWA-HRT-08-029
Estimating Cumulative Traffic Loads, Final Report for Phase 1, FHWA-RD-00-054
Estimating Cumulative Traffic Loads, Volume II: Traffic Data Assessment and Axle Load Projection for the Sites with Acceptable Axle Weight Data, Final Report for Phase 2, March 2005, FHWA-RD-03-094
Estimating Roadside Encroachment Rates with the Combined Strengths of Accident- and Encroachment-Based Approaches, Final Report FHWA-RD-01-124 (PDF - 320KB)
Estimation of Key PCC, Base, Subbase, and Pavement Engineering Properties From Routine Tests and Physical Characteristics - Report, FHWA-HRT-12-030, August 2012
Estimation of Key PCC, Base, Subbase, and Pavement Engineering Properties From Routine Tests and Physical Characteristics - TechBrief, FHWA-HRT-12-030, July 2012
User's Guide: Estimation of Key PCC, Base, Subbase, and Pavement Engineering Properties From Routine Tests and Physical Characteristics - Report, FHWA-HRT-12-031, August 2012
Evaluating Driver Performance on Rural Two-Lane Horizontal Curved Roadways Using A Driving Simulator - Report - FHWA-HRT-12-073, December 2012
Evaluation of a Handheld Micro Computer As a Data Collection Device, FHWA-IP-90-025
Evaluation of Accident Analysis Methodology, FHWA-RD-96-039
Evaluation of Accident Surrogates for Safety Analysis of Rural Highways, Vol. I, Executive Summary, FHWA-RD-86-127, PB86-198009/AS (A03)
Evaluation of Accident Surrogates for Safety Analysis of Rural Highways, Vol. II, FHWA-RD-86-128, PB86-198017/AS (A06)
Evaluation Of Accident Surrogates for Safety Analysis of Rural Highways, Vol. III, FHWA-RD-86-129, PB86-198025/AS (A04)
Evaluation and Analysis of LTPP Pavement Layer Thickness Data, FHWA-RD-03-041
Evaluation of Automated Pedestrian Detection at Signalized Intersections, FHWA-RD-00-097 (PDF - 669KB)
Evaluation of Design Analysis Procedures and Acceptance Criteria for Roadside Hardware, Vol. V, FHWA-RD-87-100, PB88-158449/AS (A0A)
Evaluation of Design Analysis Procedures and Acceptance Criteria for Roadside Hardware, Vol. VI: Replacing the 4500-lb Sedan Test Vehicle, FHWA-RD-87-101, PB89-208177/AS (A14)
Evaluation of Design Analysis Procedures and Acceptance Criteria for Roadside Hardware, Vol. VI: Replacing the 4500-lb Sedan Test Vehicle, FHWA-RD-99-070
Evaluation of Design Consistency Methods for Two-Lane Rural Highways, Technical Summary, FHWA-RD-99-174
Evaluation of Design Consistency Methods for Two-Lane Rural Highways, Executive Summary, FHWA-RD-99-173 (PDF - 387K)
Evaluation of Dynamic Speed Feedback Signs on Curves: A National Demonstration Project - Report - FHWA-HRT-14-020, January 2015
Evaluation of Emerging Technologies for Traffic Crash Reporting, FHWA-RD-97-023
Evaluation of High-Volume Fly Ash Mixtures (Paste and Mortar Components) Using A Dynamic Shear Rheometer and An Isothermal Calorimeter - TechBrief - FHWA-HRT-12-062, October 2012
Evaluation of Highway Safety Projects
Evaluation of Holes Fabricated Using Plasma Arc Cutting - Report - FHWA-HRT-20-056, August 2020
Evaluation of Improvements to Breakaway Cable Terminals, FHWA-RD-91-065
Evaluation of Joint and Crack Load Transfer, Final Report, May 2003, FHWA-RD-02-088 (PDF - 1.19 Mb)
Evaluation of the Laboratory Asphalt Stability Test, February 2005, FHWA-HRT-04-111
Evaluation of LS-DYNA Concrete Material Model 159, FHWA-HRT-05-063, May 2007
Evaluation of LS-DYNA Soil Material Model 147, November 2004, FHWA-HRT-04-094
Evaluation of LS-DYNA Wood Material Model 143, August 2005, FHWA-HRT-04-096 (PDF - 8.16 MB)
Evaluation of LTPP Climatic Data for Use in Mechanistic-Empirical Pavement Design Guide (MEPDG) Calibration and Other Pavement Analysis - Techbrief - February 2015, FHWA-HRT-15-026
Evaluation of Long-Term Pavement Performance (LTPP) Climatic Data for Use in Mechanistic-Empirical Pavement Design Guide (MEPDG) Calibration and Other Pavement Analysis - Report - May 2015, FHWA-HRT-15-019
Evaluation of Prototype Automatic Truck Rollover Warning Systems, FHWA-RD-97-124
Evaluation of the Blue Bike Lane Treatment Used in Bicycle-Motor vehicle Conflict Areas in Portland, Oregon, FHWA-RD-00-150
Evaluation of The Impact of Spectral Power Distribution on Driver Performance - Report - FHWA-HRT-15-047, August 2015
Evaluation of the Particulate Additive Test, FHWA-HRT-04-110 (PDF - 374 KB)
Evaluation of Pavement Safety Performance - Report - February 2015, FHWA-HRT-14-065
Evaluation of Pedestrian Hybrid Beacons and Rapid Flashing Beacons, July 2016, Report - FHWA-HRT-16-040
Evaluation of the Optimized Policies for Adaptive Control, FHWA-RD-89-135, PB90-208299/AS (A07)
Evaluation of Procedures for Quality Assurance Specifications, October 2004, FHWA-HRT-04-046 (PDF - 3.20 MB)
Evaluation of Promoting Roadside Revegetation: An Integrated Approach to Establishing Native Plants, December 2017, Report - FHWA-HRT-17-008
Evaluation of Safety, Design, and Operation of Shared Use Paths: User Guide, FHWA-HRT-05-138 (PDF - 1.26 MB)
Evaluation of Safety, Design, and Operation of Shared Use Paths, Final Report, FHWA-HRT-05-137 (PDF - 1172 KB)
Evolution of the Turner-Fairbank Highway Research Center Property, Preservation of the Reid Cemetery, FHWA-HRT-05-140
Evaluation of Shared Lane Markings, FHWA-HRT-10-041, December 2010
Evaluation of Shared Lane Markings, FHWA-HRT-10-044, October 2010
Evaluation of State Quality Assurance Program Effectiveness - Report - FHWA-HRT-12-027, May 2012
Examination of Truck Accidents on Urban Freeways, FHWA-RD-89-201, PB90-208901/AS (A06)
Expanding The Freight Capacity of America's Highways Platooning and Connectivity to Increase Efficiency - Fact Sheet - FHWA-HRT-17-045, July 2017
Experimental and Numerical Simulation of Glass Fiber-Reinforced Composites for Roadside Safety Structures, FHWA-RD-96-026
Expert Systems for Crash Data Collection: Final Report, FHWA-RD-99-052
Expertise Directory
Exploratory Advanced Research - Exploratory Advanced Research Associates Program 2018, Brochure - FHWA-HRT-18-061, January 2019
Exploratory Advanced Research - Modeling Complex Behaviors and Interactions: New Methods to Assist Decisionmaking and System Operations - Fact Sheet - FHWA-HRT-12-069, October 2012
Exploratory Advanced Research - Predicting Materials Behavior: Advancing Multiscale Modeling Techniques - Fact Sheet - FHWA-HRT-12-070, October 2012
Exploratory Advanced Research Program Brochure, FHWA-HRT-10-032
Exploratory Advanced Research Program Brochure, FHWA-HRT-12-019
Exploratory Advanced Research Program Brochure, FHWA-HRT-13-071
Exploratory Advanced Research Program Brochure, FHWA-HRT-15-023, December 2014
Exploratory Advanced Research Program Brochure, FHWA-HRT-17-022, December 2016
Exploratory Advanced Research Program, Brochure - FHWA-HRT-18-069, December 2018
Exploratory Advanced Research Program - Research Associates Program 2021 - Brochure - FHWA-HRT-22-024, December 2021 (PDF 17.39 MB)
Exploratory Advanced Research Program Research Associates Program 2016, Catalog - FHWA-HRT-17-023, February 2017
Exploratory Advanced Research Program Hand-Off Workshops, FHWA-HRT-11-034
Exploring the Importance of Traffic Data Input Levels for Mechanistic-Empirical Pavement Design, FHWA-HRT-21-046, Techbrief, March 2021 (PDF - 408 KB)

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F


1994 Ford Explorer XLT Broadside Collision with a Narrow Fixed Object: FOIL Test Number 98S005, FHWA-RD-98-150, PB99-130296
Formation Factor Demystified and Its Relationship to Durability, FHWA-HRT-19-030, April 2019
Fact Sheet: 120th Street and Giles Road Bridge, Sarpy County, FHWA-RD-00-121
Fact Sheet: A New Path to The Future Transportation System, FHWA-HRT-12-021
Fact Sheet: Accelerated Construction Technology Transfer (PDF), FHWA-HRT-06-054
Fact Sheet: Benefits of High Volume Fly Ash: New Concrete Mixtures Provide Financial, Environmental, and Performance Gains, FHWA-HRT-10-051
Fact Sheet: Beyond Traffic Signals: A Paradigm Shift--Intersection Control for Autonomous Vehicles, FHWA-HRT-10-023
Fact Sheet: Crack-Resistant Concrete-Maximizing the Service Life of Transportation Infrastructure, FHWA-HRT-09-065, October 2009
Fact Sheet: Continuous Flight Auger Piles, FHWA-HRT-06-056
Fact Sheet: Driving Automation Forward: Human Factors for Limited-Ability Autonomous Driving Systems, FHWA-HRT-10-021, January 2010
Fact Sheet: Driving Simulation Forward: Making Driving Simulators More Useful for Behavioral Research, FHWA-HRT-10-060, June 2010
Fact Sheet: Eastbound, State Route 18 Over State Route 516, King County, FHWA-RD-00-124
Fact Sheet: Exploring Bridge Maintenance and Asset Management, FHWA-HRT-11-052
Fact Sheet: Eyes on the Road - Developing a Dynamic Model of Driver Vision, FHWA-HRT-11-033
Fact Sheet: FHWA/NHTSA National Crash Analysis Center, FHWA-HRT-06-110, August 2006
Fact Sheet: Investigating Congestion and Solutions: Experiments on Congestion Conditions and Pricing Initiatives, FHWA-HRT-10-061, June 2010
Fact Sheet: Federal Outdoor Impact Laboratory, FHWA-HRT-06-107
Fact Sheet: Freeway Lane Selection Algorithm, December 2006, FHWA-HRT-06-136
Fact Sheet: Improved Decision Making Using Geographic Information Systems, FHWA-HRT-06-050
Fact Sheet: Improved Decision Making Using Geographic Information Systems, FHWA-RD-02-001
Fact Sheet: Increasing Highway Throughput Communications and Control Technologies to Improve Traffic Flow, FHWA-HRT-09-037
Fact Sheet: Integrated Urban Systems Modeling—Designing a Seamless, Comprehensive Approach to Transportation Planning, FHWA-HRT-09-042
Fact Sheet: Interstate 80 Freeway Dataset, December 2006, FHWA-HRT-06-137
Fact Sheet: Lankershim Boulevard Dataset, January 2007, FHWA-HRT-07-029
Fact Sheet: Mapping the Future of Hydraulics Research: A Strategic Plan to Protect Highway Infrastructure, FHWA-HRT-10-034
Fact Sheet: Nanoscale Approaches for Highway Research, FHWA-HRT-10-033
Fact Sheet: New Ways to Predict Bridge Performance: Advances in Structural Health Monitoring, FHWA-HRT-10-062, June 2010
Fact Sheet: Next-Generation Smart Traffic Signals-RHODES With Intellidrive-the Self-Taught Traffic Control System, October 2009, FHWA-HRT-09-063
Fact Sheet: NGSIM Overview, December 2006, FHWA-HRT-06-135
Fact Sheet: Nondestructive Evaluation Center Laboratory Fact Sheet, FHWA-HRT-10-036
Fact Sheet: PedSafe, FHWA-HRT-06-042
Fact Sheet: Prefabricated Bridge Elements, FHWA-HRT-06-043
Fact Sheet: Office of Corporate Research, Technology, and Innovative Management, FHWA-HRT-20-025, November 2020, PDF
Fact Sheet: Office of Infrastructure Research & Development, FHWA-HRT-12-059, December 2012
Fact Sheet: Office of Infrastructure Research & Development, FHWA-HRT-08-069, December 2008
Fact Sheet: Office of Infrastructure R&D, FHWA-HRT-04-118, September 2004
Fact Sheet: Office of Operations Research and Development (R&D), FHWA-HRT-13-020, April 2013
Fact Sheet: Office of Operations Research and Development (R&D), FHWA-HRT-08-030, August 2008
Fact Sheet: Office of Operations R&D, FHWA-HRT-04-120, September 2004 (Archive)
Fact Sheet: Office of Safety R&D, FHWA-HRT-04-119, September 2004
Fact Sheet: Office of Safety R&D, FHWA-HRT-08-025
Fact Sheet: Office of Safety R&D, FHWA-HRT-12-066, January 2013
Fact Sheet: QuickZone, FHWA-HRT-06-044
Fact Sheet: Red Light Cameras, FHWA-HRT-06-045
Fact Sheet: Route 104 Bridge Over the Newfound River, Bristol, FHWA-RD-00-119
Fact Sheet: Route 3A Bridge Over the Newfound River, Bristol, FHWA-RD-00-120
Fact Sheet: Route 40 Over the Falling River, Lynchburg District, FHWA-RD-00-122
Fact Sheet: San Angelo Bridge, U.S. Route 67, San Angelo, FHWA-RD-00-117
Fact Sheet: Seeing in the Dark Improving Understanding of Driver Visibility Requirements at Night, FHWA-HRT-09-024
Fact Sheet: State Route 22 at Milepost 6.57, Guernsey County, FHWA-RD-00-118
Fact Sheet: Structures Laboratory, FHWA-HRT-07-060
Fact Sheet: Time-Frequency Analysis: Mathematical Analysis of the Empirical Mode Decomposition, FHWA-HRT-10-02, on January 2010
Fact Sheet: Real-Time Pedestrian Detection Layered Object Recognition System for Pedestrian Collision Sensing, FHWA-HRT-10-022. -- posted on posted on January 7, 2010
Fact Sheet: Driving Automation Forward: Human Factors for Limited-Ability Autonomous Driving Systems, FHWA-HRT-10-021. -- posted on posted on January 7, 2010
Fact Sheet: Nanoscale Approaches for Highway Research, FHWA-HRT-10-029
Fact Sheet: Traffic Research Laboratory (TReL) Fact Sheet, FHWA-HRT-04-088
Fact Sheet: Transportation, Economics and Land Use System (TELUS), FHWA-HRT-06-049
Fact Sheet: US Highway 101 Dataset, January 2007, FHWA-HRT-07-030
Fact Sheet: U.S. 401 Over the Neuse River, Raleigh, FHWA-RD-00-125
Fact Sheet: Virginia Avenue Over the Clinch River, Richlands, FHWA-RD-00-123
Report: Factors Influencing Operating Speeds and Safety on Rural and Suburban Roads FHWA-15-0-30
Report: Falling Weight Deflectometer Calibration Center and Operational Improvements: Redevelopment of The Calibration Protocol and Equipment – FHWA-HRT-07-040
Fast Lane Newsletter Summer 2021 (Newsletter), FHWA-HRT-22-008, Summer 2021 (PDF - 932 KB)
Fast Lane Newsletter Winter 2022, Newsletter, FHWA-HRT-22-036, Volume 15, (PDF), 1.14 MB
FAST NDE Laboratory: FHWA Advanced Sensing Technology Nondestructive Evaluation - Brochure - FHWA-HRT-20-054, June 2020 (PDF 1.45 MB)
Faster Response Time, Effective Use of Resources: Integrating Transportation Systems and Emerging Management Systems, FHWA-JPO-99-004
Report: Fast-Track Paving: Concrete Temperature Control and Traffic Opening Criteria for Bonded Concrete Overlays, Volume I: Final Report, FHWA-RD-98-167
Report: Fast Track Paving: Concrete Temperature Control and Traffic Opening Criteria for Bonded Concrete Overlays Volume II – HIPERPAV User’s Manual, FHWA-RD-98-168
Report: Fast Track Paving: Concrete Temperature Control and Traffic Opening Criteria for Bonded Concrete Overlays Volume III – Addendum to HIPERPAV Users Manual, FHWA-RD-99-200
Fatigue Performance of High-Frequency Welded Steel I-Beams - Report - FHWA-HRT-17-110, January 2018
Fatigue Testing of Galvanized and Ungalvanized Socket Connections - Report - FHWA-HRT-14-066, September 2014
Feasibility of an Automatic Truck Warning System, FHWA RD-93-039
Feasibility of Determining the Incremental Effectiveness of Accident Countermeasures,
FHWA-RD-85-043, PB86-188984/AS (A06)
Feasibility of Mapping and Marking Underground Utilities By State Transportation Departments - Report - FHWA-HRT-16-019, July 2018
Feasibility of Mapping and Marking Underground Utilities By State Transportation Departments - Techbrief - FHWA-HRT-18-070, September 2018
Feasibility of Nondestructive Crack Detection and Monitoring for Steel Bridges - FHWA-HRT-12-060, October 2012
Federal Highway Administration 100-Year Coating Study - Report - FHWA-HRT-12-044, November 2012
Federal Highway Administration 100-Year Coating Study - Techbrief - FHWA-HRT-12-045, November 2012
Federal Highway Administration Research and Technology Evaluation: National Household Travel Survey Program Final Report - Technical Report - FHWA-HRT-16-082, August 2017
Federal Highway Administration Research Library - Helping to Expand Your Research Capabilities - Brochure - FHWA-HRT-17-055, September 2017
Federal Highway Administration (FHWA) - Long-Term Bridge Performance (LTBP) Program - Selection Procedure for Reference and Cluster Bridges - Multimedia Presentation - June 2013
FHWA Cooperative Automation Research: CARMA Proof-of-Concept Transportation System Management and Operations Use Case 3—traffic signal optimization with CDA at signalized intersections, Report FHWA-HRT-22-052, January 2022 (PDF File 2.35 MB)
FHWA Cooperative Driving Automation Program, Fact Sheet, FHWA-HRT-22-039, January 2022 (PDF File, 472 KB)
FHWA Environmental Technology Brief: Is Highway Runoff a Serious Problem?
FHWA Field Manual for Bridge Painting Inspection, FHWA-RD-98-084
FHWA InfoMaterialsTM Dataset Management, FHWA-HRT-21-065, TechBrief, July 2021 (PDF - 364 KB)
FHWA LTBP Bridge Performance Primer - Techbrief - FHWA-HRT-14-032, February 2014
FHWA LTBP Summary-National Changes In Bridge Practices For Reinforcing Bars - Summary Report - FHWA-HRT-16-012, April 2016
FHWA LTBP Workshop To Identify Bridge Substructure Performance Issues - Techbrief - FHWA-HRT-13-049, June 2013
FHWA R&T Now - September/October 2020, PERIODICAL, September/October 2020 (PDF File 1.MB)
Field Analysis of Asphalt Binders for Recycled Engine Oil Bottoms (REOB) Using Handheld XRF Spectrometers - Techbrief - FHWA-HRT-18-043, May 2018
Field Evaluation of Detection-Control System - Techbrief - FHWA-HRT-14-082, October 2014
Fiber Reinforced Concrete: Subject Index
Field Evaluation of Edgeline Widths, FHWA-RD-89-111
Field Evaluation of Innovative Active Warning Devices for Use at Railroad-Highway Grade Crossings, FHWA-RD-88-135, PB89-163141/AS A13
Field Testing of an Ultra-High Performance Concrete Overlay - Report - FHWA-HRT-17-096, October 2017
Fish Passage in Large Culverts With Low Flow - Report - FHWA-HRT-14-064, August 2014
FHWA 1990 Technology Transfer Calendar, FHWA-TS-89-047
FHWA Federal-Aid ITS Procurement Regulations and Contracting Options, FHWA-RD-97-145
FHWA's Highway Safety and Traffic Operations Programs (Sept 89 Brochure), FHWA-RD-89-234
Report - FHWA Infrastructure Research And Technology Strategic Plan (2011), FHWA-HRT-12-028
FHWA InfoTechnology Brochure, FHWA-HRT-22-009, November, Brochure 2021 (PDF 1.2 MB)
FHWA Interactive Highway Safety Design Model (IHSDM) Website, FHWA-HRT-22-033, January 2022 (PDF - 412 KB)
FHWA Long-Term Bridge Performance Program Transportation Research Board (TRB) 88th Annual Meeting Presentation
FHWA Nondestructive Evaluation Program Strategic Plan For FY 2019-2022 - Report - FHWA-HRT-20-045, August 2020
FHWA Research and Technology Evaluation: Agent-Based Modeling and Simulation - FHWA-HRT-18-042 - Report, November 2018
FHWA Research and Technology Evaluation: eNEPA, Report FHWA-HRT-20-044, July 2021, PDF size 624 KB
FHWA Research and Technology Evaluation: Enhanced Prediction of Vehicle Fuel Economy and Other Vehicle Operating Costs, FHWA-HRT-22-073 - Report, June 2022, PDF size 793 KB
FHWA Research And Technology Evaluation: Gusset Plates Final Report, FHWA-HRT-17-039 - Report, January 2016
FHWA Research and Technology Evaluation: High Friction Surface Treatments, FHWA-HRT-21-014 - Report, August 2021 PDF, size 1.34 MB
FHWA Research and Technology Evaluation: Innovative Intersection Design, Final Report, FHWA-HRT-21-024, August 2021, PDF 2.53 MB
FHWA Research And Technology Evaluation: Managing Risk In Rapid Renewal Projects - Report - FHWA-HRT-18-045, September 2018
FHWA Research And Technology Evaluation: Public-Private Partnership Capacity Building Program, FHWA-HRT-17-072 - Report, February 2018
FHWA Research and Technology Evaluation: Precast Concrete Pavement, FHWA-HRT-18-063 - Report, October 2018
FHWA Research and Technology Evaluation Program Summary Report Spring 2016, FHWA-HRT-16-071 - Summary Report, August 2016
FHWA Research And Technology Evaluation Program Summary Report Fiscal Year 2016, FHWA-HRT-17-038 - Summary Report, February 2018
FHWA Research and Technology Evaluation TechBrief: High Friction Surface Treatments, FHWA-HRT-21-098 - TechBrief, October 2021, PDF size 512 KB
FHWA Research and Technology Evaluation TechBrief: Innovative Intersection Design, FHWA-HRT-21-101 - TechBrief, October 2021, PDF size 672 KB
FHWA Research and Technology Evaluation TechBrief: Truck Platooning, FHWA-HRT-22-007 - TechBrief, November 2021, PDF size 328 KB
FHWA Research and Technology Evaluation: Truck Platooning, Report, FHWA-HRT-20-071, June 2021, PDF, size 1.09 MB
FHWA R&T Now - May/June 2019
FHWA R&T Now - May/June 2015
FHWA R&T Now - May 2013
FHWA R&T Now - March 2013
FHWA R&T Now - January 2012
FHWA R&T Now - January 2010
FHWA R&T Now - March 2010
FHWA R&T Now - May 2010
FHWA R&T Now - November 2009
FHWA R&T Now - September 2009
FHWA Vehicle Crash Analysis Conference Proceedings, FHWA-RD-96-212
Field-Cast UHPC Connections for Modular Bridge Deck Elements, FHWA-HRT-11-022
Field Evaluation of Detection-Control System, FHWA-HRT-14-058 - Report, April 2015
Field Evaluation of A Restricted Crossing U-Turn Intersection, FHWA-HRT-11-067 (Report)
Field Evaluation of A Restricted Crossing U-Turn Intersection, FHWA-HRT-11-067 (Techbrief)
Field Observations and Evaluations of Streambed Scour at Bridges, FHWA-RD-03-052
Field Strength Measurements of DGPS and FAA Beacons in the 285 to 325 kHz Band
November 1, 1996
Field Test of the Grade Severity Rating System (GSRS), FHWA-RD-86-011, PB86-218229/AS (A04)
Films for Highway Safety and Traffic Engineers, FHWA-IP-86-25, PB87-188215/AS (A09)
Final Programmatic Environmental Assessment (PEA): Nationwide Differential Global Positioning System Report, September 1999 (PDF file - 246 pages)
Finite Element Analysis of UHPC:Structural Performance of an AASHTO Type II Girder and a 2nd–Generation Pi–Girder, FHWA-HRT-10-079, November 2010
Finite Element Crash Models of Motor Vehicles, FHWA-RD-94-016
Finite Element Model of a Small Automobile Impacting a Rigid Pole, FHWA-RD-94-151
Fish Passage in Large Culverts With Low Flow - FHWA-HRT-11-067 - Report, August 2014
Flexural Capacity of Fire-Damaged Prestressed Concrete Box Beams FHWA-HRT-07-024, February 2007.
Fly Ash AEA Adsorption Capacity Estimation as Measured by Fluorescence or Foam Index - FHWA-HRT-17-118 - Techbrief, December 2017
Foundation Characterization Program (FCP): TechBrief # 1 - Workshop Report on The Reuse of Bridge Foundations - FHWA-HRT-14-072 - TechBrief, August 2014
Foundation Reuse for Highway Bridges - FHWA-HIF-18-055 - Report, November 2018
Four-mm Dynamic Shear Rheometry - FHWA-HRT-15-053 - TechBrief, July 2017
Framework for Evaluating the Use of Recycled Materials in the Highway Environment,
FHWA-RD-00-140, PB2002-100893
FORETELL Integrating Advanced Weather Systems and ITS, FHWA-RD-99-121
Freeze-Thaw Resistance of Concrete With Marginal Air Content, FHWA-HRT-06-117, December 2006
Freeze-Thaw Resistance of Concrete With Marginal Air Content,Techbrief - FHWA-HRT-06-118, Mqay 2007
Framework for LTPP Forensic Investigations, Final, 2006.
Friction Angles of Open-Graded Aggregates From Large-Scale Direct Shear Testing, FHWA-HRT-13-068 - TechBrief, July 2013
Full-Coverage Collision Warning: Human Factors Research Needs, FHWA-RD-98-185
Fundamental Properties of Asphalts and Modified Asphalts Volume I: Interpretive Report,
FHWA-RD-99-212
Fundamental Properties of Asphalts and Modified Asphalts Volume II: Final Report, New Methods FHWA-RD-99-213, PB2001-108760
FY 2000/2001 Unit Plan FHWA-RD-00-096
FY 2002/2003 Performance Plan FHWA-RD-01-137
FY 2004/2005 Performance Plan, FHWA-RD-03-085
FY 2006/2007 Performance Plan, FHWA-HRT-06-037
FY 2005 Research Project Status Summary, FHWA-HRT-06-084

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Gateway to Bridge Performance Data and Information, FHWA-HRT-21-019, Brochure, January 2021 (PDF - 5.41 MB)
Gateway to Bridge Performance Information, Brochure - FHWA-HRT-19-009, December 2018
Gateway to the Federal Highway Administration (FHWA) Infrastructure Research and Materials Testing Data, FHWA-HRT-21-018, Brochure, January 2021 (PDF - 2.9 MB)
Greener Protection for Steel Bridges - Testing Nano-Enhanced Corrosion-Resistant Coatings - EAR Fact Sheet - FHWA-HRT-13-064, May 2013
Geometric Design Laboratory Fact Sheet FHWA-HRT-06-101
Geosynthetic Reinforced Soil-Integrated Bridge System - Bid Price Analysis and Cost Comparisons With Alternative Foundation Systems, FHWA-HRT-19-024, February 2019
Geosynthetic Reinforced Soil Integrated Bridge System Interim Implementation Guide, FHWA-HRT-11-026, January 2011
Geosynthetic Reinforced Soil Performance Testing-Axial Load Deformation Relationships - Report - FHWA-HRT-13-066, August 2013
Geosynthetic Reinforced Soil-Integrated Bridge System Evaluation, Final Report - Report - FHWA-HRT-17-073, April 2018
Geosynthetic Reinforced Soil Integrated Bridge System Synthesis Report, FHWA-HRT-11-027, January 2011
Geotechnical Research Report (A Quarter Century of)
Geotechnical (GT) Research Team Information and Geotechnical Publications Report
FHWA-RD-00-167, December 2000
Giering G.L., Bared J.G., A Policy Review Module for the Interactive Highway Safety Model, Proceedings of the American Society of Civil Engineers (ASCE) Fourth Congress, 1997.
FHWA-RD-98-185
GTRAF User Guide, FHWA-RD-89-149, PB89-232136/AS (A08)
Guardrail-Bridge Rail Transition Designs, Vol. I: Research Report, FHWA-RD-86-178, PB89-124531/AS (A09)
Guidance on the Level of Effort Required to Conduct Traffic Analysis Using Microsimulation - Report - FHWA-HRT-13-026, March 2014
Guide for Curing of Portland Cement Concrete Pavements, FHWA-RD-02-099, January 2005
Guide for Curing Portland Cement Concrete Pavements II, FHWA-HRT-05-038, August 2006
Report: Guide on The Consistent Application of Traffic Analysis Tools and Methods, FHWA-HRT-11-064, November 2011
Guide to Developing Performance-Related Specifications for PCC Pavements
Guide to Developing Performance-Related Specifications for PCC Pavements,Volume I: Practical Guide, Final Report, and Appendix A, FHWA-RD-98-155
Guide to Developing Performance-Related Specifications for PCC Pavements,Volume II: Appendix B, Field Demonstrations, FHWA-RD-98-156
Guide to Developing Performance-Related Specifications for PCC Pavements, Volume III: Appendices C Through F, FHWA-RD-98-171
Guide to Developing Performance-Related Specifications for PCC Pavements, Volume III: Appendix G -H PaveSpec 2.0 User's Guide, FHWA-RD-99-059
Guidebook on Identification of High Pedestrian Crash Locations - Report - FHWA-HRT-17-106, April 2018
Guidebook on Methods to Estimate Non-Motorized Travel: Overview of Methods FHWA-RD-98-165, July 1999
Guidebook on Methods to Estimate Non-Motorized Travel: Supporting Documentation FHWA-RD-98-166, July 1999
Guidelines and Recommendations to Accommodate Older Drivers and Pedestrians FHWA-RD-01-051, PB2001-1087850
Guidelines For Design And Rating Of Gusset-Plate Connections For Steel Truss Bridges - Techbrief - FHWA-HRT-14-063, August 2014
Guidelines for Review and Evaluation of Backcalculation Results, FHWA-HRT-05-152, February 2006
Guidelines for Ultrasonic Inspection of Hanger Pins, FHWA-HRT-04-042, July 2004
Guidelines for Detection, Analysis, and Treatment of Materials-Related Distress In Concrete Pavements Volume 1: FHWA-RD-01-163, March 2002
Guidelines for Detection, Analysis, and Treatment of Materials-Related Distress in Concrete Pavements - Volume 2: Guidelines Description and Use, FHWA-RD-01-164, March 2002 (Report)
Guidelines for Detection, Analysis, and Treatment of Materials-Related Distress in Concrete Pavements Volume 3: Case Studies Using the Guidelines, FHWA-RD-01-165, March 2002
Techbrief: Guidelines for Establishing and Maintaining Construction Quality Databases, FHWA-HRT-07-020, December 2006
Guidelines for Informing Decisionmaking to Affect Pavement Performance Measures: Final Report - Report - FHWA-HRT-17-090, January 2018
Guidelines for Lighting Protection of Electronic Traffic Control Equipment, FHWA-RD-86-073, PB86-169620/AS (A06)
Guidebook for Illinois State Data Files, FHWA-RD-90-080
Guidebook for Maine State Data Files, FHWA-RD-90-086
Guidebook for Michigan State Data Files, FHWA-RD-90-079
Guidebook for Minnesota State Data Files, FHWA-RD-90-081
Guidelines for the Collection of Long-Term Pavement Performance Data, FHWA-RD-06-067, March 2006
Guidelines for The Implementation of Reduced Lighting on Roadways - Report - FHWA-HRT-14-050, June 2014
Guidelines for the Use of Lithium to Mitigate or Prevent Alkali-Silica Reaction (ASR) FHWA-RD-03-047, July 2003
Guidelines for Sampling, Assessing, and Restoring Defective Grout in Prestressed Concrete Bridge Post-Tensioning Ducts, FHWA-HRT-13-027 - Techbrief - May 2013
Guidelines for Sampling, Assessing, and Restoring Defective Grout in Prestressed Concrete Bridge Post-Tensioning Ducts, FHWA-HRT-13-028 - Report - October 2013
Guidelines for Successful Traffic Control Systems, Volume I: Executive Summary, FHWA-RD-88-013, PB89-184782/AS (AO3)
Guidelines for Successful Traffic Control Systems, Volume II: Executive Summary, FHWA-RD-88-014, PB89-184790/AS (AO8)
Guidelines for the Use of Raised Pavement Markers, FHWA-RD-97-152

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H


1994 Honda Accord XLT Broadside Collision with a Narrow Fixed Object: FOIL Test Number 98S007, FHWA-RD-99-024, PB99-130312
Handbook for Including Ancillary Assets Transportation Asset Management Programs, FHWA-HIF-19-068, September 2019
Handbook for Expert/Peer Reviews at the TFHRC, Version 2.1, FHWA-HRT-05-033, April 2005
Hardware in the Loop (HIL) Testing of Connected and Automated Vehicle (CAV) Applications - Fact Sheet - FHWA-HRT-17-032, January 2017
Hardware in The Loop Testing of Connected and Automated Vehicle Applications: An Update - Fact Sheet - FHWA-HRT-18-018, December 2017
Harnessing Pavement Power - Developing Renewable Energy Technology in The Public Right-Of-Way - EAR Fact Sheet - FHWA-HRT-13-094, September 2013
Hazardous Material Highway Signing, FHWA-RD-95-071
Heated Bridge Technology - Report on ISTEA Sec. 6005 Program - Report - FHWA-RD-99-158, July 1999
Hazardous Material Highway Signing (Summary Report), FHWA-RD-95-185
Heavy Vehicle Median Barrier, TS-88-024, PB89-117675/AS (A04)
High Accuracy-Nationwide Differential Global Positioning System Program Fact Sheet, FHWA-RD-03-039
High Accuracy-Nationwide Differential Global Positioning System Test and Analysis: Phase II Report, FHWA-HRT-05-034, July 2005
High Friction Surface Treatment (HFST) Quick Reference - Presentation, DTFH61-13-D-00001, Task B9, April 2020
High-Level Concept of Operations: Examination of the Relationships Between Transportation Systems Management and Operations Strategies and Cooperative Driving Automation, FHWA-HRT-20-063, December 2020 (PDF File)
High Performance Concrete Library
High Performance Concrete in Washington State SR 18/SR 516 Overcrossing: Interim Report on Girder Monitoring FHWA-RD-00-070, April 2000 (PDF file - 2,342 KB)
High Performance Concrete in Washington State SR 18/SR 516 Overcrossing: Interim Report on Materials Tests
FHWA-RD-00-071, April 2000 (PDF file - 1,186KB)
Highway Bridge Inspection: State-of-Practice Survey FHWA-RD-01-033, April 2001 (NTIS No. PB2001-107339)
Highway Capacity Manual (HCM) Methodology for Alternative Intersections / Interchanges Flyer - FHWA-HRT-13-083, July 2013
Highway Capacity Manual Chapter on Alternative Intersections and Interchanges TechBrief - FHWA-HRT-16-069, July 2016
Highway Concrete Pavement Technology Development and Testing: Volume I: Field Evaluation of SHRP C-202 Test Sites (Alkali-Silica Reaction (ASR)), FHWA-RD-02-082, August 2006
Highway Concrete Pavement Technology Development and Testing Volume II:Field Evaluation of Strategic Highway Research Program (SHRP) C-203 Test Sites (Freeze-Thaw Resistance), FHWA-RD-02-083, August 2006
Highway Concrete Technology Development and Testing Volume III: Field Evaluation of SHRP C-205 Test Sites (High Performance Concrete), FHWA-RD-02-084, May 2006
Highway Concrete Technology Development and Testing Volume IV: Field Evaluation of SHRP C-206 Test Sites (Early Opening of Full-Depth Pavement Repairs), FHWA-RD-02-085, July 2006
Highway Concrete Technology Development and Testing Volume V:Field Evaluation of SHRP C-206 Test Sites (Bridge Deck Overlays), FHWA-RD-02-086, August 2006
Highway Design Handbook for Older Drivers and Pedestrians FHWA-RD-01-103, May 2001 (NTIS No. PB2002-100276)
High Speed Film Motion Analysis System, FHWA-RD-88-187, PB89-135883/AS (A06)
Highway Economics Requirements Systems, State Version (HERS-ST), FHWA-HRT-06-063
Highway Effects on Vehicle Performance, FHWA-RD-00-164, January 2001
(NTIS No. PB2002-1000122)
Highway Electronics Library, FHWA-RD-88-156
Highway Fog Warning System, FHWA-RD-99-110
Highway Safety Information System: An Examination of Fault, Unsafe Driving Acts, and Total Harm in Car-Truck Collisions, FHWA-HRT-04-085
The Highway Safety Information System (HSIS) Guidebooks for state data files are now available for: California, Maine, Minnesota, and Utah
Highway Safety Information System (HSIS) - Index of Summary Reports
Highway Safety Data: Costs, Quality, and Strategies for Improvement (Final Report), FHWA-RD-96-192
Highway Safety Evaluation: Procedural Guide, FHWA-TS-81-219
Highway Safety Improvement Program, FHWA-TS-81-218
Highway Safety Information System - The essential information system for making informed decisions about highway safety (brochure), FHWA-HRT-11-031
Highway Safety Information System (brochure), FHWA-RD-90-114
Highway Safety Information System (HSIS) Guidebook for the Illinois State Data Files, Vol. I: SAS File Formats, FHWA-RD-91-110
Highway Safety Information System (HSIS) Guidebook for the Illinois State Data Files, Vol. I: SAS File Formats, FHWA-RD-93-178
Highway Safety Information System (HSIS) Guidebook for the Illinois State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-91-111
Highway Safety Information System (HSIS) Guidebook for the Illinois State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-91-111
Highway Safety Information System (HSIS) Guidebook for the Illinois State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-93-179
Highway Safety Information System (HSIS) Guidebook for the Maine State Data Files, Vol. I: SAS File Formats, FHWA-RD-91-118
Highway Safety Information System (HSIS) Guidebook for the Maine State Data Files, Vol. I: SAS File Formats, FHWA-RD-93-186
Highway Safety Information System (HSIS) Guidebook for the Maine State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-91-119
Highway Safety Information System (HSIS) Guidebook for the Maine State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-93-187
Highway Safety Information System (HSIS) Guidebook for the Michigan State Data Files, Vol. I: SAS File Formats, FHWA-RD-91-114
Highway Safety Information System (HSIS) Guidebook for the Michigan State Data Files, Vol. I: SAS File Formats, FHWA-RD-93-182
Highway Safety Information System (HSIS) Guidebook for the Michigan State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-91-115
Highway Safety Information System (HSIS) Guidebook for the Michigan State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-93-183
Highway Safety Information System (HSIS) Guidebook for the Minnesota State Data Files, Vol. I: SAS File Formats, FHWA-RD-93-180
Highway Safety Information System (HSIS) Guidebook for the Minnesota State Data Files, Vol. I: Single Variable Tabulations, FHWA-RD-91-112
Highway Safety Information System (HSIS) Guidebook for the Minnesota State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-91-113
Highway Safety Information System (HSIS) Guidebook for the Minnesota State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-93-181
Highway Safety Information System (HSIS) Guidebook for the Utah State Data Files, Vol. I: SAS File Formats, FHWA-RD-91-116
Highway Safety Information System (HSIS) Guidebook for the Utah State Data Files, Vol. I: SAS File Formats, FHWA-RD-93-184
Highway Safety Information System (HSIS) Guidebook for the Utah State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-91-117
Highway Safety Information System (HSIS) Guidebook for the Utah State Data Files, Vol. II: Single Variable Tabulations, FHWA-RD-93-185
Highway Safety Information Systems Guidebook for the Minnesota State Data Files: Volume I, FHWA-RD-01-058
Highway Safety Information Systems Guidebook for the Minnesota State Data Files: Volume II, FHWA-RD-01-059
Highway Safety Information Systems Guidebook for the Utah State Data Files: Volume I, FHWA-RD-01-056
Highway Safety Information Systems Guidebook for the Utah State Data Files: Volume II, FHWA-RD-01-057
Highway Safety Manual: IHSDM Crash Prediction Methodologies, Flyer, FHWA-HRT-22-029, January 2022, (PDF), 260 KB
Highway Simulator Laboratory (flyer), FHWA-RD-88-171
Highways of the Future—A Strategic Plan for Highway Infrastructure Research and Development, FHWA-HRT-08-068
Historical Changes to Steel Bridge Design, Composition, and Properties - Report - FHWA-HRT-21-020, January 2021 (PDF 816 KB)
Hot-Mix Asphalt Performance Related Specification Based on Viscoelastoplastic Continuum Damage (VEPCD) Models - Report - FHWA-HRT-21-093, January 2021, PDF size 26.46 MB
How to Determine the Silica Content of Limestone Aggregates at the Quarry in 20 Minutes with No Sample Preparation,Techbrief, FHWA-HRT-20-034, April 2020
HSIS Guidebook for Michigan State Data Files Volume I, FHWA-RD-01-118
HSIS Guidebook for the Maine State Data Files, Volume II: Single Variable Tabulations,
FHWA-RD-96-064
HSIS Guidebook for the Washington State Data Files, Volume I: SAS File Formats, FHWA-RD-95-206
HSIS Guidebook for the Washington State Data Files, Volume II: Single Variable Tabulations, FHWA-RD-95-207
HSIS Information Brochure, FHWA-RD-95-183
HSIS Summary Report: Analysis of Commercial Bus Crashes, FHWA-RD-92-018
HSIS Summary Report: Comparison of the Safety of Lighting Options on Urban Freeways, FHWA-RD-94-188
HSIS Summary Report: Investigation of Crashes with Animals, FHWA-RD-94-156
HSIS Summary Report: Safety Effects of Using Narrow Lanes and Shoulder-Use Lanes to Increase the Capacity of Urban Freeways, FHWA-HRT-05-001
Human Centered Systems-Research Related Publications and Articles
Human Factors Aspects of the Transfer of Control from the Automated Highway System to the Driver, FHWA-RD-94-114
Human Factors Aspects of the Transfer of Control from the Driver to the Automated Highway System, FHWA-RD-94-173
Human Factors Aspects of Transferring Control from the Driver to the Automated Highway System With Varying Degrees of Automation, FHWA-RD-95-108
Human Factors Assessment of Pedestrian Roadway Crossing Behavior - Report - FHWA-HRT-13-098, January 2014
Human Factors Design Guidelines for Advanced Traveler Information Systems (ATIS)and Commercial Vehicle Operations (CVO), FHWA-RD-98-057
Human Factors Design of Automated Highway Systems: First Generation Scenarios, FHWA-RD-93-123
Human Factors Design of Automated Highway Systems: Scenario Definition, FHWA-RD-95-192
Human Factors Guidelines for Transportation Management Centers - Report - FHWA-HRT-16-060, November 2018
Human Factors Handbook for Traffic Management Center Design, FHWA-RD-96-122
Human Factors in Advanced Traffic Management Systems (ATMS) -- Progress to Date July 1996
Human Factors in the Automated Highway System: Transferring Control to the Driver (Summary Report), FHWA-RD-95-189
Human Factors Literature Reviews on Intersections, Speed Management, Pedestrians and Bicyclists, and Visibility, FHWA-HRT-06-034, July 2006 (PDF File)
Human Factors Research Needs For The Intelligent Vehicle Initiative (IVI) Program (Summary Report), FHWA-RD-98-147
Human Factors Needs for Older Drivers Summary Report, FHWA-RD-99-045
Human Factors of In-Vehicle Driver Information Systems, Executive Summary, FHWA-RD-95-014
Human Factors Research Needs for the Intelligent Vehicle Initiative (IVI) Program (TechBrief),
FHWA-RD-98-160
Hydraulics and Hydrology Research Publications
Hydraulics of Iowa DOT Slope-Tapered Pipe Culverts, FHWA-RD-01-077, June 2001
Hydraulics Laboratory Fact Sheet, FHWA-HRT-07-054
Hydraulics of Dale Boulevard Culverts, Performance Curve for a Prototype of Two Large Culverts in Series Dale Boulevard, Dale City, Virginia, FHWA-RD-01-095, July 2001 (PDF 1.43 MB File)
Hydraulic Performance of Shallow Foundations for The Support of Vertical-Wall Bridge Abutments - Report - FHWA-HRT-17-013, February 2017
Hydrodynamic Forces on Inundated Bridge Decks, FHWA-HRT-09-028

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I


Identification of Driver Errors: Overview and Recommendations
Identification of Human Factors Research Needs - Final Report
FHWA-RD-98-178
Identification of High Pedestrian Crash Locations - Report - March 2018 - FHWA-HRT-17-107
Identification of High Pedestrian Crash Locations - Techbrief - March 2018 - FHWA-HRT-17-108
Identification of Nondestructive Evaluation Needs for The United States Highway Infrastructure - Fact Sheet - March 2013 - FHWA-HRT-13-056
Identification of Preventable Accidents and Their Causes, PB86-149895/AS (A09)
Identifying and Assessing Key Weather-Related Parameters and Their Impacts on Traffic Operations Using Simulation, FHWA-HRT-04-131, September 2004
Report: Identifying Incompatible Combinations of Concrete Materials: Volume I- Final Report, HRT-06-079, August 2006
Report: Identifying Incompatible Combinations of Concrete Materials: Volume II-Test Protocol, FHWA-HRT-06-080, August 2006
Identifying Infrastructure-Based Motorcycle-Crash Countermeasures: Phase I Final Workshop Finding Report - Report - FHWA-HRT-18-062, September 2018
IHSDM Intersection Review Module: IHSDM Intersection Diagnostic Review Model - Knowledge Base Report FHWA-RD-02-045
IHSDM Resource List, September 2004, FHWA-HRT-04-152
Report: Intersection Conflict Warning System Human Factors: Final Report, FHWA-HRT-16-061, November 2016
Impact of Arterial Lane Obstructions, Vol. I, Users' Guide for Controlling Lane Obstructions,
FHWA-RD-86-138, PB86-199700/AS (A05)
Impact of Arterial Lane Obstructions, Vol. II, FHWA-RD-86-139, PB86-199718/AS (A07)
Impact of Arterial Lane Obstructions, Vol. III, Lane Blockage Logic Change in NETSIM,
FHWA-RD-86-140, PB86-199726/AS (A07)
Impacts of Automated Vehicles on Highway Infrastructure, Report, FHWA-HRT-21-015, March 2021 (PDF - 1.95 MB)
Impacts of Automated Vehicles on Highway Infrastructure, FHWA-HRT-21-051, TechBrief, May 2021 (PDF - 480 KB)
Impact of Design Features on Pavement Response and Performance in Rehabilitated Flexible and Rigid Pavements, FHWA-HRT-10-066
Impact of Environmental Factors on Pavement Performance in the Absence of Heavy Loads - Techbrief - FHWA-HRT-16-078, December 2016
Impact of Environmental Factors on Pavement Performance in the Absence of Heavy Loads - Report - FHWA-HRT-16-084, March 2019
Impact of Initial Density on Strength-Deformation Characteristics of Open-Graded Aggregates - Techbrief - FHWA-HRT-18-048, August 2018
Impact of Intersection Angle on Highway Safety, FHWA-HRT-20-067, January 2021 (PDF - 6.58 MB)
Impacts of Led Brightness, Flash Pattern, and Location for Illuminated Pedestrian Traffic Control Device - Techbrief - FHWA-HRT-15-042, May 2015
Impact of Maintenance Damage Rate, Vol. I, FHWA-RD-86-079, PB86-206612/AS (A17)
Impact of Maintenance Damage Rate, Vol. II, FHWA-RD-86-080, PB86-206620/AS (A23)
Impact of Specific Geometric Features on Truck Operations and Safety at Interchanges, Vol. I,
FHWA-RD-86-057, PB86-177490/AS (A07)
Impact of Specific Geometric Features on Truck Operations and Safety at Interchanges, Vol. II, Appendices, FHWA-RD-86-058, PB86-177508/AS (A10)
Impacts on State and Local Agencies for Maintaining Traffic Signs Within Minimum Retroreflectivity Guidelines, FHWA-RD-97-053
Implementation Guide for Minimum Retroreflectivity Requirements for Traffic Signs, FHWA-RD-97-052
Implementation of GIS-Based Highway Safety Analyses: Bridging the Gap
FHWA-RD-01-039, January 2001 (PDF - 1,025KB)
Implementation of Artificial Intelligence to Improve Winter Maintenance - Fact Sheet - FHWA-HRT-21-090, December 2021 (PDF 1.74 MB)
Implementation of Remaining Service Interval Concept - Techbrief - FHWA-HRT-16-066, October 2016
Implementing Bicycle Improvements at the Local Level, FHWA-RD-98-105
Improved Corrosion-Resistant Steel For Highway Bridge Construction FHWA-HRT-11-062
Improved Corrosion-Resistant Steel For Highway Bridge Construction Knowledge-Based Design
FHWA-HRT-09-053
Improved Enforcement: Safer Roads for State Agencies - Commercial Vehicle Electronic Screening, FHWA-JPO-99-008
Improved Freeway Control Systems for Congestion Reduction, FHWA-RD-88-200
Improved Highway Travel for Aging Population, FHWA-RD-88-199
Improved Infrastructure Assessment through the Integration of Nondestructive Evaluation and Structural Health Monitoring Paradigms, FHWA-HRT-21-011, January 2021, (PDF 7.13 MB)
Improved Methods to Eliminate Reflection Cracking, FHWA-RD-86-075, PB86-180080/AS (A09)
Improved Prediction Models for PCC Pavement Performance-Related Specifications, Volume I: Final Report, FHWA-RD-00-130, September 2000 (PDF - 1.8MB)
Improved Prediction Models for PCC Pavement Performance-Related Specifications, Volume II: PaveSpec 3.0 User's Guide, FHWA-RD-00-131
Techbrief - Improved Prediction Models for PCC Pavement Performance-Related Specifications, FHWA-RD-00-154, August 2000
Improvements and New Concepts for Traffic Control in Work Zones, Vol. IV, Speed Control in Work Zones, September 1985, FHWA-RD-85-037, PB86-150059/AS (A06)
Improving Driver Recognition of In-Vehicle Icons (Research Update), FHWA-RD-00-091, April 2000 (PDF - 310KB)
Improvements in Symbol Sign Design to Aid Older Drivers, FHWA-RD-95-129
Improving Highway Safety at Bridges on Local Roads and Streets, FHWA-SA-98-083
Improving Mobility, Saving Lives: Safety Service Patrols, FHWA-JPO-99-005
Improving Mobility, Saving Lives: Safety Service Patrols, FHWA-IP-89-024, PB90-159278/AS (A03)
Improving Pavement Drainage in Extreme Weather Events and on Wider Roadways Using Computational Fluid Dynamics (CFD), FHWA-HRT-21-032, Fact Sheet, January 2021 (PDF - 636 KB)
Improving the Compatibility of Waste - Fact Sheet - FHWA-HRT-21-084, August 2021 (PDF 1.76 MB)
Improving Truck Safety at Interchanges, FHWA-IP-89-024
In-Situ Scour Testing Device (ISTD), State Demonstrations of Field Soil Tests, Lowndesboro, AL, FHWA-HRT-22-005, Fact Sheet, November 2021 (PDF - 764 KB)
In-Situ Scour Testing Device (ISTD), State Demonstrations of Field Soil Tests, Watkins, CO, FHWA-HRT-21-100, Fact Sheet, October 2021 (PDF - 624 KB)
In-Situ Scour Testing Device, State Demonstrations of Field Soil Tests, Bay City, MI, FHWA-HRT-21-029, Fact Sheet, February 2021 (PDF - 460 KB)
In-Situ Scour Testing Device, State Demonstrations of Field Soil Tests, Columbus, OH, FHWA-HRT-21-025, Fact Sheet, February 2021 (PDF - 584 KB)
Infobrief: High Reclaimed Asphalt Pavement Use, FHWA-HRT-10-057 , September 15, 2011
Incremental Costs and Performance Benefits of Various Features of Concrete Pavements, Final Report, FHWA-HRT-04-044 (PDF - 2.21 MB)
Information Management System - Pavement Performance Database User Reference Guide,
FHWA-RD-03-088
Injuries to Pedestrians and Bicyclists: An Analysis Based on Hospital Emergency Department Data, FHWA-RD-99-078
Indirect Methods to Account for Exposure in Highway Safety Studies, FHWA-RD-96-141
Influence of Differential Deflection on Staged Construction Deck-Level Connections (TechBrief), FHWA-HRT-12-055, August 2012
Influence of a Trailer's Axle Arrangement and Loads on the Stability and Control of a Tractor-Semi/trailer, FHWA-RD-97-123, PB99-107385
Information As A Source of Distraction - Report - FHWA-HRT-15-027, November 2015
Information Resources, FHWA-RD-88-221
Information Source Guide, FHWA-RD-89-108
Informational Report on Lighting Design for Midblock Crosswalks, FHWA-HRT-08-053, April 2008
Infrastructure Initiatives to Apply Connected- and Automated-Vehicle Technology to Roadway Departures - Report - FHWA-HRT-18-035, September 2018
Infrastructure Research and Development - Fact Sheet - FHWA-HRT-17-056, August 2017
Inman, V. W., Davis, G. W., Shafer, T., Katz, B. J., Bared, J. G. (2003), Field Observations of Path and Speed of Motorists at Double-Lane Roundabouts, Proceedings of the 2nd Urban Street Symposium. Anaheim, CA.
Innovative Contracting Practices for Task E: Final Report
Innovative Culvert Inspection - Developing An Effective Small-Pipe Culvert Inspection System - EAR Fact Sheet - FHWA-HRT-14-095, October 2014
Innovative Intersection Designs for Pedestrians and Bicyclists, Brochure, FHWA-HRT-21-097, October 2021, (PDF), 380 KB
Innovative Neighborhood Transit - Assessing Demand for An Automated Community Shuttle Service - EAR Fact Sheet - FHWA-HRT-14-046, February 2014
INPREP - Interactive Plotting And reporting Program, FHWA-RD-89-177, PB89-232144/AS (A04)
INSTRUCT Software Download, v1.1 (Software)
Intelligent Intersection Traffic Control Laboratory Fact Sheet, FHWA-HRT-06-102
In-Service Evaluations of Experimental Traffic Barriers, FHWA-DP64/EP7-1, PB86-242732/AS (A04)
In-Situ Scour Testing Device (ISTD), State Demonstrations of Field Soil Tests, Gulf Islands National Seashore, MS, FHWA-HRT-20-032, March 2020
In-Situ Scour Testing Device (ISTD), State Demonstrations of Field Soil Tests in Farwell, NE, FHWA-HRT-21-078, Fact Sheet, July 2021 (PDF - 292 KB)
In-Situ Scour Testing Device (ISTD), State Demonstrations of Field Soil Tests, Reserve, KS, FHWA-HRT-21-079, Fact Sheet, July 2021 (PDF - 384 KB)
Instrumentation and 5-Year Performance Monitoring of A GRS-IBS in St. Lawrence County, NY, FHWA-HRT-20-040, May 2020
Integrated Data Collection Method for Tracking Freight Movement - Summary Report - FHWA-HRT-21-089, February 2022 (PDF 6.03 MB)
Integrated Traffic Data System, Users Manual, FHWA-RD-89-151
Integrating Intelligent Transportation Systems Within the Transportation Planning Process: An Interim Handbook, FHWA-SA-98-048
Integrity of Infrastructure Materials and Structures, FHWA-HRT-09-044
Intelligent Transportation Systems (ITS) Information Security Analysis (11/97), FHWA-JPO-98-009
Intelligent Transportation Systems Benefits: 1999 Update, FHWA-OP-99-012
Intelligent Transportation Systems Field Operational Test Cross-Cutting Study: Emergency Notification and Response (9/98), FHWA-JPO-99-033
Intelligent Transportation Systems Field Operational Test Cross-Cutting Study: Commercial Vehicle Operations - Roadside (11/98), FHWA-RD-99-036
Intelligent Transportation Systems Field Operational Test - Cross-Cutting Test: Advanced Traveler Information Systems (9/98), FHWA-JPO-99-038
Intelligent Transportation Systems Field Operational Test Cross-Cutting Study: Emissions Management Using ITS Technology (9/98), FHWA-JPO-99-039
Intelligent Transportation Systems Field Operational Test Cross-Cutting Study: Hazardous Material Incident Response (9/98), FHWA-JPO-99-035
Intelligent Transportation Systems Field Operational Test Cross-Cutting Study: Incident Management: Detection, Verification, and Traffic Management (9/98), FHWA-JPO-99-034
Intelligent Transportation Systems Field Operations Test Cross-Cutting Study: Commercial Vehicle Administrative Process, FHWA-JPO-99-037
Intelligent Transportation Systems in the Heartland - Missouri, Kansas, Nebraska, Iowa, FHWA-HRC-MW-99-01
Intelligent Transportation Systems in the Transportation Equity Act for the 21st Century, FHWA-JPO-99-040
Intelligent Transportation Systems: Real World Benefits, FHWA-JPO-98-018
Intelligent Vehicle Initiative: Business Plan, FHWA-JPO-98-007
Interchange Safety Analysis Tool (ISAT): User Manual, FHWA-HRT-07-045
Interactive Highway Safety Design Model (IHSDM) Information and Publications
Interactive Highway Safety Design Model (IHSDM)-Related "Safety Data Case Studies", Flyer, FHWA-HRT-22-030, January 2022, (PDF), 392 KB
Interactive Highway Safety Design Model Safer Roads Through Better Design, FHWA-HRT-06-100
Interim Recommendations for the Use of Lithium to Mitigate or Prevent Alkali-Silica Reaction (ASR), July 2006, FHWA-HRT-06-073
Interlaboratory Variability of Slip Coefficient Testing for Bridge Coatings Report - FHWA-HRT-14-093, December 2014
Intersection Safety Web site
Intersection Geometric Design and Operational Guidelines for Older Drivers and Pedestrians, Vol. I: Final Report, FHWA-RD-96-132
Intersection Geometric Design and Operational Guidelines for Older Drivers and Pedestrians, Vol. II: Executive Summary, FHWA-RD-96-138
Intersection Geometric Design and Operational Guidelines for Older Drivers and Pedestrians, Vol. III: Guidelines, FHWA-RD-96-137
An Introduction to the Deep Mixing Methods as Used in Geotechnical Applications-Volume III: The Verification and Properties of Treated Ground FHWA-RD-99-167
An introduction to the Deep Soil Mixing Methods as Used in Geotechnical applications, FHWA-RD-99-138 (Report)
Introduction of Cooperative Vehicle-To-Infrastructure Systems to Improve Speed Harmonization, FHWA-HRT-16-023 - Report - March 2016
Investigation of Increase in Roughness Due to Environmental Factors in Flexible Pavements Using Profile Data From Long-Term Pavement Performance Specific Pavement Studies 1 Experiment, FHWA-HRT-17-049 - Report - October 2017
Investigation of Increase in Roughness Due to Environmental Factors in Flexible Pavements Using Profile Data From Long-Term Pavement Performance Specific Pavement Studies 1 Experiment, FHWA-HRT-17-120 - Techbrief - June 2018
Investigating Key Automated-Vehicle Human Factors Safety Issues Related to Infrastructure: Summary of Stakeholder Workshop - Report - FHWA-HRT-20-058 - August 2020
Investigating the Impact of Lack of Motorcycle Annual Average Daily Traffic Data in Crash Modeling and the Estimation of Crash Modification Factors, FHWA-HRT-16-054 - Report - October 2016
In-the-Loop Simulations Provide Improved Methods for Testing of Connected Vehicle Technologies, FHWA-HRT-17-044 - Fact Sheet - July 2017
In-Vehicle Display Icons and Other Information Elements Volume I: Guidelines, September 2004, FHWA-RD-03-065
In-Vehicle Display Icons and Other Information Elements: Volume II, September 2004,
FHWA-RD-03-063
In-Vehicle Display Icons and Other Information Elements: Literature Review, FHWA-RD-98-164
In-Vehicle Display Icons and Other Information Elements: Preliminary Assessment of Visual Symbols, FHWA-RD-99-196
In-Vehicle Information Systems Behavioral Model and Design Support: Final Report, FHWA-RD-00-135, August 2000 (PDF - 1,042KB)
In-Vehicle Information Systems Behavioral Model and Design Support: IVIS Demand Prototype Software User's Manual, FHWA-RD-00-136, August 2000 (PDF - 1,665KB)
In-Vehicle Information Systems Demand Model (Research Update), FHWA-RD-00-092, April 2000 (PDF - 253KB)
In-Vehicle Navigation devices: effect on the Safety of Driver Performance, FHWA-RD-90-053
In-Vehicle Safety Advisory and Warning System (IVSAWS), Final Report: Volume I: Executive Summary, FHWA-RD-94-061
In-Vehicle Safety Advisory and Warning System (IVSAWS), Volume II: Final Report, FHWA-RD-96-190
In-Vehicle Safety Advisory and Warning System (IVSAWS), Volume III: Appendixes A through H (Reference Materials), FHWA-RD-94-191
In-Vehicle Safety Advisory and Warning System (IVSAWS), Volume IV: Appendixes I through K (Reference Materials), FHWA-RD-94-192
In-Vehicle Safety Advisory and Warning System (IVSAWS), Volume V: Appendixes L through V (Reference Materials), FHWA-RD-94-193
Report: Investigation of Low and High Temperature Properties of Plant Produced Rap Mixtures, FHWA-HRT-11-058
Investigation of the Impact of Medians on Road Users. Available from the R&T Product Distribution Center, FHWA-RD-93-130
ITS Benefits: Continuing Successes and Operational Test Results, FHWA-JPO-98-002
ITS Deployment Analysis System (IDAS), FHWA-HRT-06-051
ITS Professional Capacity Building Program Reports
ITS Telecommunications: Public or Private? A Cost Tradeoff Methodology Guide
ITS Research-Related Publications and Articles

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Jagannathan R., Bared J.G., Design And Performance Analysis of Pedestrian Crossing Facilities for Continuous Flow Intersections (CFI), Transportation Research Record, TRR No. 1939, Transportation Research Board, Washington, D.C., 2005. [not indexed online as of 03/31/06]
Jagannathan R., Bared J.G., Design And Operational Performance Of Crossover Displaced Left-Turn Intersections, Transportation Research Record, TRR No.1881, Transportation Research Board, Washington, D.C., 2004.,
Jagannathan R., Gimbel M., Bared J.G., Hughes W.E., Persaud B., Lyon C., Safety Comparison of New Jersey Jughandle Intersections and Conventional Intersections, Transportation Research Record, TRR No. ------, Transportation Research Board, Washington, D.C., 2006. [not indexed online as of 03/31/06]
Job Site Evaluation of Corrosion Resistant Alloys, FHWA-HRT-06-078
Junction Loss Experiments: Laboratory Report, FHWA-HRT-07-036, December 2006
Jutaek O., Lyon C., Washington S., Persaud B., Bared J.G., Validation of FHWA Crash Models for Rural Intersections: Lessons Learned, Transportation Research Record, TRR No. 1840, Transportation Research Board, Washington, D.C., 2003.

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Key Findings from LTPP Analysis 2000-2003, FHWA-HRT-04-032
Key Findings from LTPP Analysis: 1990-1999, FHWA-RD-00-085
Knowledge Discovery in Massive Transportation Datasets-Merging Information from Disparate Sources to Enhance Traffic Safety - EAR Fact Sheet - FHWA-HRT-17-117, February 2018

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Lane-Level Vehicle Positioning - EAR Fact Sheet - FHWA-HRT-13-059, April 2013
Lab Clips, FHWA-HRT-08-022
A Laboratory and Field Study of Composite Piles for Bridge Substructures, FHWA-HRT-04-043,
May 2006
Laboratory and Field Testing of Automated Ultrasonic Testing (AUT) Systems for Steel Highway Bridges, FHWA HRT-04-124, April 2005
Laboratory Assessment Process - Handbook for Expert/Peer Reviews at TFHRC, Version 1.1, FHWA-HRT-04-078, December 2003
Laboratory Assessment Process Handbook for Expert/Peer Reviews at the Turner-Fairbank Highway Research Center, Version 2.1, FHWA-HRT-05-033, April 2005
The Laboratory Assessment Program Turner-Fairbank Highway Research Center 2003-2004, FHWA-HRT-05-032
Laboratory Evaluation of Corrosion Resistance of Various Metallic Dowel Bars - Report - FHWA-HRT-15-079, June 2018
Laboratory Evaluation of the PQI Model 300
Laboratory Evaluation of Waterborne Coatings on Steel FHWA-RD-03-032, March 2003
Lead Abatement on Bridges and Steel Structures, FHWA-RD-98-182, November 1997
Laboratory Procedures to Determine the Breakaway Behavior of Luminarie Supports on Mini-Sized Vehicle Collisions, Vol. I, Executive Summary, FHWA-RD-86-105, PB87-204368/AS (A04)
Laboratory Procedures to Determine the Breakaway Behavior of Luminarie Supports on Mini-Sized Vehicle Collisions, Vol. II, Technical Report, FHWA-RD-86-106, PB87-204376/AS (A13)
Laboratory Procedures to Determine the Breakaway Behavior of Luminarie Supports on Mini-Sized Vehicle Collisions, Vol. III, FOIL Operation and Safety Plan, FHWA-RD-86-107, PB87-204384/AS (A01)
Large Field Test of New Stereo Detection System for The Pedestrian Signal Phase for The Visually Impaired - Report - FHWA-HRT-12-074, September 2012
Layered Object Recognition System for Pedestrian Sensing - Report - FHWA-HRT-11-056, October 2012
FHWA LTBP Industry Day - Techbrief - FHWA-HRT-14-031, February 2014
Learning about Driver and Pedestrian Behaviors Through Connected Simulation Technology - RESEARCH SUMMARY REPORT - FHWA-HRT-20-059, September 2020 (PDF 3.5 MB)
Lessons Learned From Similar Systems Aid in Traffic Management Center Design, FHWA-RD-95-127
Leveraging Augmented Reality for Highway Construction - Report - FHWA-HRT-20-038, November 2020, PDF
Leveraging Augmented Reality for Highway Construction - Techbrief - FHWA-HRT-20-037, August 2020
Leveraging the Second Strategic Highway Research Program Naturalistic Driving Study: Examining Driver Behavior When Entering Rural High-Speed Intersections - Report - FHWA-HRT-17-016, April 2017
Leveraging Technology and Innovation: Roles and Relationships within a Reorganized FHWA (PDF - 212 KB)
Lightweight Concrete: Development of Mild Steel in Tension - Techbrief - FHWA-HRT-14-030, February 2014
Lightweight Concrete: Mechanical Properties - Techbrief - FHWA-HRT-13-061, June 2013
Lightweight Concrete: Shear Performance - Techbrief - FHWA-HRT-15-021, March 2015
Lightweight Concrete: Shear Performance - Report - FHWA-HRT-15-022, March 2019 (PDF 7.1 MB)
Lightweight Concrete: Transfer and Development Length of Prestressing Strands - Report - FHWA-HIF-19-018, February 2019 (PDF 15 MB)
Liquid Cargo Shifting and the Stability of Tank Trucks, Executive Summary, Vol. I, PB86-159753/AS (A03)
Liquid Cargo Shifting and the Stability of Tank Trucks, Executive Summary, Vol. II, PB86-159976/AS (A09)
Liquefaction-Induced Downdrag on Continuous Flight Auger (CFA) Piles From Full-Scale Tests Using Blast Liquefaction, FHWA-HRT-17-060 - Tech Brief, August 2017
Listing of Priority, Market-Ready Technologies and Innovations, FHWA-HRT-06-070
Literature Review of Chloride Threshold Values for Grouted Post-Tensioned Tendons, FHWA-HRT-12-067 - Summary Report, November 2012
Literature Review on Recent International Activity in Cooperative Vehicle-Highway Automation Systems, Advanced Research - FHWA-HRT-13-025, December 2012
Literature Review Summary Examination of Truck Accident on Urban Freeways, FHWA-RD-88-167, PB89-118012/AS (A06)
Load-Path Redundancy on The US-421 Bridge Over The Ohio River - Techbrief - FHWA-HRT-13-105, December 2013
Long-Term Bridge Performance Program Data Collection Workshop, FHWA-HRT-22-015, Summary Report, November 2021 (PDF - 232 KB)
Long-Term Durability of Geosynthetics Based on Exhumed Samples from Construction Projects, FHWA-RD-00-157, PB2001-105580
Long-Term Effectiveness of Cathodic Protection Systems on Highway Structures FHWA-RD-01-096
Long-Term Effects of Electrochemical Chloride Extraction on Laboratory Specimens and Concrete Bridge Components FHWA-HRT-10-069, September 2011
Long-Term Pavement Performance Data Analysis Plan, FHWA-HRT-21-088, Techbrief, September 2021 (PDF - 128 KB)
Long-Term Pavement Performance Data Analysis Program: Effect of Dowel Misalignment on Concrete Pavement Performance - FHWA-HRT-20-070 - Report, November 2020, PDF
Long-Term Pavement Performance Information Management System User Guide - FHWA-HRT-21-038 - Report, May 2021, PDF 2.51 MB
Long-Term Pavement Performance Ohio SPS-1 and SPS-2 Dynamic Load Response Data Processing - FHWA-HRT-14-088 - Report, March 2015
LTBP Bridge Performance Primer - Report - FHWA-HRT-13-051, December 2013
LTBP Newsletter - FHWA-HRT-21-027 - Fall 2020, FHWA-HRT-21-027, Fall 2020 (PDF 548 KB)
LTBP Newsletter - Summer 2010, FHWA-HRT-10-058
LTBP Newsletter - Spring 2012, FHWA-HRT-13-033
LTBP Newsletter - December 2013, FHWA-HRT-14-019
LTBP Newsletter - May 2014, FHWA-HRT-14-053
LTBP Newsletter - June 2015, FHWA-HRT-15-050
LTBP Newsletter - September 2016, FHWA-HRT-15-073
LTBP Newsletter - Winter 2020, FHWA-HRT-20-039
LTBP Newsletter - Winter 2021, FHWA-HRT-22-051, (PDF 736 KB)
LTBP Newsletter, Summer 2021, FHWA-HRT-21-063, (PDF 264 KB)
LTBP Pilot Study Summary—Findings From The New Jersey Bridge Deck - Summary Report - FHWA-HRT-16-070, December 2016
LTBP Program's Literature Review on Weigh-In-Motion Systems - Report - FHWA-HRT-16-024, May 2016
LTPP Beyond FY 2009: What Needs to Be Done?, FHWA-HRT-09-052
LTPP InfoPave - Release 2017 - What's New, FHWA-HRT-17-030, Brochure - January 2017
LTPP Information Management System (IMS) Quality Control Checks - Report, September 2013
LTPP Manual for Profile Measurements and Processing, FHWA-HRT-08-056, November 2008
LTPP Pavement Performance Forecast, FHWA-HRT-10-080, November 2011
Long-Term Bridge Performance - High Priority Bridge Performance Issues, FHWA-HRT-14-043, TechBrief - June 2014
Long-Term Bridge Performance High Priority Bridge Performance Issues - Report - FHWA-HRT-14-052, October 2014
Long-Term Bridge Performance (LTBP) Program, Brochure - FHWA-HRT-18-008, November 2017
Long-Term Bridge Performance (LTBP) Program Protocols, Version 1 - Report - FHWA-HRT-16-007, January 2016
Long-Term Monitoring of Pavement Maintenance Materials Test Sites, FHWA-RD-98-073
Long-Term Pavement Performance Ancillary Information Management System (AIMS) Reference Guide - Report - FHWA-HRT-12-058 , November 2012
Long-Term Pavement Performance Automated Faulting Measurement - Report - FHWA-HRT-14-092, February 2015
Long-Term Pavement Performance Bind Online - Product Brief - FHWA-HRT-17-009, March 2017
Long-Term Pavement Performance Bind Online - Report - FHWA-HRT-17-010, October 2017
Long-Term Pavement Performance Compliance with Department of Transportation Information Dissemination Quality Guidelines, FHWA-HRT-08-065, November 2008
Long-Term Pavement Performance Computed Parameter: Frost Penetration, FHWA-HRT-08-057, November 2008
Long-Term Pavement Performance (LTPP) Data Analysis Support: National Pooled Fund Study TPF-5(013): Effects of Multiple Freeze Cycles and Deep Frost Penetration on Pavement Performance and Cost, FHWA-HRT-06-121, November 2006
Long-Term Pavement Performance Program Determination of In-Place Elastic Layer Modulus: Backcalculation Methodology and Procedures, FHWA-HRT-15-036 - Report, December 2015
Long Term Pavement Performance Distress Data Consolidation Final Report, October 2003, FHWA-RD-01-143
Long-Term Pavement Performance Inventory Data Collection Guide, FHWA-HRT-06-066, March 2006
Long-Term Pavement Performance Maintenance and Rehabilitation Data Collection Guide, FHWA-HRT-06-068, March 2006
Long-Term Pavement Performance Pavement Loading User Guide (LTPP PLUG), FHWA-HRT-13-089 - Report, October 2013
Long-Term Pavement Performance Program - Report - FHWA-HRT-15-049, April 2015
Long-Term Pavement Performance Program, Brochure - FHWA-HRT-15-018, December 2014
Long-Term Pavement Performance Program, FHWA-HRT-10-072, August 2010
Long-Term Pavement Performance Program (LTPP) Materials Reference Library (MRL), FHWA-HRT-06-116, June 2006
Long-Term Pavement Performance (LTPP) Program Specific Pavement Studies (SPS) - Development of Experiment Design: SPS-11 Asphalt Concrete Pavement Preservation Study - Report - FHWA-HIF-18-063, October 2018
Long-Term Pavement Performance Program Falling Weight Deflectometer Maintenance Manual, FHWA-HRT-05-153, December 2006
Long Term Pavement Performance Project Laboratory Materials Testing And Handling Guide, FHWA-HRT-07-052, September 2007
Long Term Pavement Performance (LTPP) Publications
Long-Term Performance of Corrosion Inhibitors Used in Repair of Reinforced Concrete Bridge Components, FHWA-RD-01-097
Long-Term Performance of Epoxy-Coated Reinforcing Steel in Heavy Salt-Contaminated Concrete, FHWA-HRT-04-090
Long-Term Pavement Performance Program - Pavement Performance Measures and Forecasting and The Effects of Maintenance and Rehabilitation Strategy on Treatment Effectiveness - Techbrief - FHWA-HRT-16-046 , August 2016
Long-Term Pavement Performance Program Manual for Falling Weight Deflectometer Measurements, FHWA-HRT-06-132, December 2006
Long-Term Plan for Concrete Pavement Research and Technology - The Concrete Pavement Road Map: Volume I, Background and Summary, FHWA-HRT-05-052, September 2005
Long-Term Plan for Concrete Pavement Research and Technology—The Concrete Pavement Road Map (Second Generation): Volume I, Background and Summary, FHWA-HRT-11-065, April 2012
Long-Term Plan for Concrete Pavement Research and Technology - The Concrete Pavement Road Map: Volume II, Tracks, FHWA-HRT-05-053, September 2005
Long-Term Plan for Concrete Pavement Research and Technology— The Concrete Pavement Road Map (Second Generation): Volume II, Tracks, FHWA-HRT-11-070, July 2012
Louetta Road Overpass, State Highway 249, Houston, FHWA-RD-00-116
LTPP 2014 and Beyond - What Is Needed and What Can Be Done? - Fact Sheet - FHWA-HRT-15-017, December 2014
LTPP Analysis-Ready Materials Dataset (ARMAD) Release Research Note, Research Note, FHWA-HRT-22-079, June 2022 (PDF - 982 KB)
LTPP Analysis: Putting the Data to Work, FHWA-RD-99-169
LTPP Climate Tools, Product Brief - FHWA-HRT-17-011, January 2017
LTPP Climate Tool User Guide - Report - FHWA-HRT-17-012, June 2018
LTPP Climatic Database Revision and Expansion, FHWA-RD-00-133
LTPP Computed Parameter: Dynamic Modulus, FHWA-HRT-10-035, September 2011
LTPP Computed Parameter: Dynamic Modulus, FHWA-HRT-11-018, January 2011
LTPP Computed Parameter: Moisture Content, FHWA-HRT-08-035, January 2008
LTPP Data Analysis. Phase I: Validation of Guidelines for k-Value Selection and Concrete Pavement Performance Prediction, January 1997, FHWA-RD-96-198
LTPP Guidelines for Measuring Bridge Approach Transitions Using Inertial Profilers - Report - FHWA-HRT-16-072 , December 2016
LTPP InfoPave, Brochure - FHWA-HRT-16-027, January 2016
LTPP InfoPave, Brochure - FHWA-HRT-18-011, December 2017
LTPP InfoPave Q&A, Brochure - FHWA-HRT-16-028, January 2016
LTPP Maintenance and Rehabilitation Data Review: Final Report, FHWA-RD-01-019
LTPP Manual for Collecting and Processing Longitudinal Profile, Macrotexture, and Transverse Profile Data, FHWA-HRT-21-096, Report, February 2022 (PDF - 21.78 MB)
LTPP Manual for Profile Measurements Operational Field Guidelines Version 4.0
LTPP Materials Characterization Program: Verification of Dynamic Test Systems with an Emphasis on Resilient Modulus, FHWA-RD-02-034
LTPP Newsletter, May/June 2006, FHWA-HRT-06-120
LTPP Newsletter, Fall 2006, FHWA-HRT-06-131
LTPP Newsletter, Fall 2007, FHWA-HRT-08-032
LTPP Newsletter, Winter 2008, FHWA-HRT-08-055
LTPP Newsletter, Spring 2008, FHWA-HRT-08-060
LTPP Newsletter, Summer 2008, FHWA-HRT-08-072
LTPP Newsletter, Fall 2008, FHWA-HRT-09-021
LTPP Newsletter, Winter 2009, FHWA-HRT-09-034
LTPP Newsletter, Spring 2009, FHWA-HRT-09-043
LTPP Newsletter, Summer 2009, FHWA-HRT-09-066
LTPP Newsletter, Fall 2009, FHWA-HRT-10-031
LTPP Newsletter, Winter 2013, FHWA-HRT-13-055
LTPP Newsletter, Fall 2019, FHWA-HRT-20-027
LTPP Newsletter, Spring 2021, FHWA-HRT-21-062, PDF 324 KB
LTPP Newsletter, Summer 2021, FHWA-HRT-21-099, PDF 1.39 MB
LTPP Product Plan, FHWA-RD-01-086
2006 LTPP Product List, FHWA-HRT-06-119
LTPP: Year in Review 1998, FHWA-RD-99-111
LTPP: Year in Review 1999, FHWA-RD-00-020
LTPP: Year in Review 2000, FHWA-RD-01-036
LTPP: Year in Review 2001, FHWA-RD-02-049
LTPP: Year in Review 2002, FHWA-RD-03-045
LTPP: Year in Review 2003, FHWA-HRT-04-041
LTPP: Year in Review 2004, FHWA-HRT-04-125
LTPP: Year in Review 2005, FHWA-HRT-06-086
LTPP: Year in Review 2006, FHWA-HRT-07-028, January 2007
LTPP: Year in Review 2007, FHWA-HRT-08-039, January 2008
Lyon C., Jutaek O., Persaud B., Washington S., Bared J.G., Empirical Investigation of the IHSDM Accident Prediction Algorithm: Rural Intersections, Transportation Research Record, TRR No. 1840, Transportation Research Board, Washington, D.C., 2003.

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Machine Learning and Pozzolans for Concrete for Highway Pavements and Structures - EAR Summary Report - FHWA-HRT-22-016, January 2022 (PDF 6.25 MB)
Magnetic-Based NDE of Prestressed and Post-Tensioned Concrete Members-The MFL System (Techbrief), FHWA-RD-00-027, April 2000 (PDF file - 93KB)
Maintenance Levels of Service, FHWA-RD-86-038, PB86-224334/AS (A05)
Maintenance of Small Traffic Signs, FHWA-RT-90-002
Maintaining Traffic Sign Retroreflectivity: Impacts on State and Local Agencies, FHWA-HRT-07-042, April 2007
Making Driving Simulators More Useful for Behavioral Research - Simulator Characteristics Comparison and Model-Based Transformation - Summary Report - FHWA-HRT-15-016, March 2015
Malfunction Management System, Vol. I, Functional Specifications, FHWA-RD-87-054, PB89-100689/AS (A03)
Malfunction Management System, Vol. II, Functional Specifications, FHWA-RD-87-055, PB89-100697/AS (A07)
Manual For LS-DYNA Soil Material Model 147, November 2004, FHWA-HRT-04-095
Manual for LS-DYNA Wood Material Model 143, FHWA-HRT-04-097, August 2007
Report: Manual of Practice for An Effective Anti-Icing Program - A Guide for Highway Winter Maintenance Personnel, FHWA-RD-95-202
Manual on Real-Time Motorist Information Displays, FHWA-IP-86-16
Manual on Real-Time Motorist Information Displays, FHWA-RD-85-097
Marketing ITS Infrastructure in the Public Interest, FHWA-JPO-98-029
Maintenance of Signs and Sign Supports for Local Roads and Streets, FHWA-RT-00-00 (Report)
Massive Unstructured Data in Highway Transportation - IEEE Big Data - EAR Presentation, October 9, 2013
Materials and Procedures for Rapid Repair of Partial-Depth Spalls in Concrete Pavements-Manual of Practice - 99152a.pdf, FHWA-RD-99-152
Materials and Procedures for Rapid Repair of Partial-Depth Spalls in Concrete Pavements-Manual of Practice - 99152b.pdf, FHWA-RD-99-152
Materials and Procedures for Repair of Joint Seals in Portland Cement Concrete Pavements-Manual of Practice, FHWA-RD-99-146
Materials and Procedures for Repair of Potholes in Asphalt-Surfaced Pavements-Manual of Practice, FHWA-RD-99-168
Materials and Procedures for Sealing and Filling Cracks in Asphalt-Surfaced Pavements-Manual of Practice - 99147a.pdf, FHWA-RD-99-147
Material Characterization of Field-Cast Connection Grouts - TechBrief, FHWA-HRT-13-042
Material Property Characterization of Ultra-High Performance Concrete, FHWA-HRT-06-103, August 2006
Materials and Methods for Corrosion Control of Reinforced and Prestressed Concrete Structures in New Construction, FHWA-RD-00-081, August 2000 (PDF file - 395KB)
Materials Technology Research-Related Publications and Articles
Measurement of Heavy Vehicle Impact Forces and Inertia Properties, FHWA-RD-89-120, PB89-207799/AS (A11)
Mechanisms of Hydration and Setting of Ordinary Portland Cement in Simple and Complex Systems Summary - FHWA-HRT-17-102
Mechanistic Evaluation of Test Data From LTPP Flexible Pavement Test Sections, Volume I: Final Report, - Report - FHWA-RD-98-012
Mechanistic Evaluation of Test Data from LTPP Jointed Concrete Pavement Test Sections, - Report - FHWA-RD-96-040
EAR Fact Sheet: Mega-Regional Modeling: Examining Mega-Regional Travel, FHWA-HRT-12-024
Memorandum: ACTION: Distribution of the FHWA RAP in Asphalt Mixtures State of the Practice, FHWA-HRT-11-021
MEPDG Traffic Loading Defaults Derived from Traffic Pooled Fund Study - Report - FHWA-HRT-13-090, April 2016
Methods for Increasing Pedestrian Safety at Right-turn-on-Red Intersections, FHWA-RD-85-047
Methods for Predicting Speed Loss on Grades. Available from the R&T Product Distribution Center, FHWA-RD-86-059, PB86-180098/AS (A08)
Methods of Effective Transfer and Implementation of Highway Maintenance Technology, July 1984, FHWA-RD-84-501, PB86-212024/AS (A05)
Methodology For Analysis Of Soluble Salts From Steel Substrates Summary Report - FHWA-HRT-14-026, January 2014
Methodology for Determining Compaction Temperatures for Modified Asphalt Binders
FHWA-RD-02-016
Methodologies to Measure and Quantify Transportation Management Center Benefits: Final Synthesis Report - Report - FHWA-HRT-12-054, December 2012
Metric Conversion Chart
Microdamage Healing in Asphalt and Asphalt Concrete, Volume I: Microdamage and Microdamage Healing, Project Summary Report, FHWA-RD-98-141 (Report)
Microdamage Healing in Asphalt and Asphalt Concrete, Volume II: Laboratory and Field Testing to Assess and Evaluate Microdamage and Microdamage Healing, FHWA-HRT-98-142 (Report)
Microdamage Healing in Asphalt and Asphalt Concrete, Volume III: A Micromechanics Fracture and Healing Model for Asphalt Concrete, FHWA-RD-98-143 (Report)
Microdamage Healing in Asphalt and Asphalt Concrete, Volume IV: A Viscoelastic Continuum Damage Fatigue Model of Asphalt Concrete with Microdamage Healing, FHWA-RD-98-144 (Report)
Microscopic Traffic Simulation Models and Software: An Open Source Approach, FHWA-HRT-17-028 - Techbrief, January 2017
Mitigation of Wind-Induced Vibration of Stay Cables: Numerical Simulations and Evaluations, FHWA-HRT-14-049, August 2014
Mitigating Oversaturation With Cooperative Automated Driving Systems, FHWA-HRT-19-006 - Fact Sheet, November 2018
Minimal Luminance Requirement for Official Highway Signs, FHWA-RD-86-151, PB86-236577/AS (A06)
Minimal Luminance Requirement for Official Highway Signs, Executive Summary, FHWA-RD-86-150, PB86-236569/AS (A02)
Minimum Retroreflectivity Levels for Blue and Brown Traffic Signs, FHWA-HRT-08-029, April 2008
Minimum Retroreflectivity Requirements for Traffic Signs, FHWA RD-93-077
Minimum Sign Retroreflective Guidelines, FHWA-RD-97-074
Minimum Retroreflectivity Levels for Overhead Guide Signs and Street-Name Signs FHWA-RD-03-082
Mini-Roundabout SBIR Success Story, FHWA-HRT-22-080 - Fact Sheet, June 2022, PDF size 852 KB
Mobile Device Data for Origin-Destination Travel Trends, FHWA-HRT-20-012, March 2020
Modeling Intersection Crash Counts and Traffic Volume, FHWA-RD-98-096
Modeling of Hot-Mix Asphalt Compaction: A Thermodynamics-Based Compressible Viscoelastic Model, FHWA-HRT-10-065, December 2010
Model Development for National Assessment of Commercial Vehicle Parking, FHWA-RD-01-159
Model Minimum Inventory of Roadway Elements—MMIRE, FHWA-HRT-07-046, August 2007
Model Site-Specific Worker Training/Orientation Program: Bridge Lead Removal and General Site Safety FHWA-RD-98-179
Modifications of Highway Air Pollution Models for Complex Site Geometries TechBrief (Canyon Plume Box Model [CPB-3.6]) FHWA-RD-02-036
"Modified Asphalt Binders in Mixtures" Topical Report: Permanent Deformation Using a Mixture With Diabase Aggregate FHWA-RD-02-042
Moisture Content for Unbound Materials at Seasonal Monitoring Program Sites, FHWA-RD-00-077
Monthly NDE Peer Exchange Webinar Series, March 2021, FHWA-HRT-21-049, Fact Sheet, March 2021 (PDF - 1.1 MB)
Motorcycle Crash Causation Study: Volume 1-Data Collection and Variable Naming FHWA-HRT-18-040, February 2019 (PDF 3.1 MB)
Motorcycle Crash Causation Study: Volume 2-Coding Manual FHWA-HRT-18-039, February 2019 (PDF 5 MB)
Motorcycle Crash Causation Study: Final Report FHWA-HRT-18-064, February 2019 (PDF 2 MB)
Motorists Compliance with Standard Traffic Control Devices, FHWA-RD-89-103
Motorists' Comprehension of Regulatory, Warning, and Symbol Signs, Vol. I, Executive Summary, FHWA-RD-86-111
Motorists' Comprehension of Regulatory, Warning, and Symbol Signs, Vol. II, Technical Report, FHWA-RD-86-112
Motorists' Comprehension of Regulatory, Warning, and Symbol Signs, Vol. III, Appendices, FHWA-RD-86-113
Multiple Corrosion Protection Systems for Reinforced Concrete Bridge Components, FHWA-HRT-07-043, July 2007
Multiple Sources of Safety Information from V2V and V2I: Phase II Final Safety Message Report, Report, FHWA-HRT-22-013, February 2022, (PDF), 1.77 MB
Multiple Sources of Safety Information from V2V and V2I: Redundancy, Decision Making, and Trust-Safety Message Design Report - Report - FHWA-HRT-15-007, November 2015
Report: Multiple Corrosion-Protection Systems for Reinforced Concrete Bridge Components, FHWA-HRT-11-060, November 2011
Multiresolution Modeling for Traffic Analysis: Case Studies Report, Report FHWA-HRT-22-054, February 2022 (PDF File 4.21 MB)
Multiresolution Modeling for Traffic Analysis: Guidebook, Report FHWA-HRT-22-055, February 2022 (PDF File 1.59 MB)
Multiresolution Modeling for Traffic Analysis: State-of-Practice and Gap Analysis Report, Report FHWA-HRT-21-082, September 2021 (PDF File 1.85 MB)
Multiscale Materials Modeling Workshop Summary Report April 23-24, 2013 - EAR Summary Report - FHWA-HRT-13-103, December 2013
Multiyear Plan for Bridge and Tunnel Security Research, Development, and Deployment, March 2006, FHWA-HRT-06-072

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Narrowing Freeway Lanes and Shoulders to Create Additional Travel Lanes - Fact Sheet - FHWA-HRT-18-012, December 2017
Narrowing Freeway Lanes and Shoulders to Create Additional Travel Lanes, Report FHWA-HRT-21-005, June 2021 (PDF File 7.83 MB)
Nationwide Differential Global Positioning System Program Fact Sheet, FHWA-RD-02-072
National Intelligent Transportation Infrastructure Initiative, FHWA-JPO-98-006
National Model: Statewide Application of Data Collection and Management Technology to Improve Highway Safety, FHWA-RD-99-140
National Multimodal Freight Analysis Framework Research Workshop - EAR Summary Report - FHWA-HRT-14-054, January 2015
NCHRP Report 350 Compliance Test 5-12 of the 1.07-m Vertical Wall Bridge Railing, FHWA-RD-96-199
NCHRP Report 350 Compliance Test of the New Jersey Safety-Shaped Barrier, FHWA-RD-96-201
NCHRP Report 350 Test 3-11 of the Strong Wood Post Thrie Beam Guardrail, FHWA-RD-99-061
NCHRP Report 350 Test 3-21 of the Vertical Flared Back Transition, FHWA-RD-99-062
NCHRP Report 350 Test 4-10 of the New York Two-Rail Curbless Bridge Railing, FHWA-RD-99-077
NCHRP Report 350 Test 4-11 of the New York Two-Rail Curbless Bridge, FHWA-RD-99-076
NCHRP Report 350 Test 4-12 of the Modified Thrie Beam Guardrail, FHWA-RD-99-065
NDE Virtual Laboratory Development Workshop Summary, FHWA-HRT-12-052 (Report)
New and Engineering Technologies for Improving Accident Data Collection, FHWA-RD-92-097, PB94-109428
New Directions for Learning About the Safety Effect of Measures: Methods and Applications, FHWA-RD-86-015, PB86-180759/AS (A04)
New Methods for Determining Requirements for Truck-Climbing Lanes, FHWA-IP-89-022, PB90-156928
New Models Account for Pavement Roughness in Analysis of Water Film Thickness for Assessing Hydroplaning Risk, FHWA-HRT-21-033, Fact Sheet, January 2021 (PDF - 1.1 MB)
New Transportation Simulation Technology for Safer Roadways, FHWA-HRT-20-014, March 2020
Next Generation Traffic Control Systems Workshop Summary Report - February 3-4, 2015 - EAR Summary Report - FHWA-HRT-15-085, December 2015
Next Generation Vehicle Positioning and Simulation Solutions - Using GPS and Advanced Simulation Tools to Improve Highway Safety - EAR Fact Sheet - FHWA-HRT-13-065, June 2013
NHTSA - Aggressive Driver/Speed-List of available publications
Nondestructive Evaluation of Concrete Bridge Decks with Overlays, FHWA-HRT-21-023, Report, March 2021 (PDF - 21.8 MB)
Non-Destructive Evaluation Techniques (NDEVC) Validation Center Publications
Nondestructive Inspection Protocol for Reinforced Concrete Barriers, FHWA-HRT-14-071 - TechBrief, September 2014
Nondestructive Inspection Protocol for Reinforced Concrete Barriers, FHWA-HRT-14-076 - Report, March 2015
Non-Permanent Pavement Markings in Work Zones, FHWA-RD-92-007, PB92-185172 (A07)
Noticeability Requirement for Delineation on Nonilluminated Highways, FHWA-RD-88-028, PB89-158463/AS (A06)
Novel Alternative Cementitious Materials for Development of The Next Generation of Sustainable Transportation Infrastructure, FHWA-HRT-16-017 - Techbrief, October 2015
Novel Development of A Bio-Based Binder for Sustainable Construction, FHWA-HRT-18-030 - Fact Sheet, September 2018
Novel Highway Signs Study to Support Infrastructure-Based Motorcycle-Crash Countermeasures: Phase II, Report, FHWA-HRT-21-010, February 2021, (PDF), 3.47 MB
The November 1999 Duzce Earthquake: Post-Earthquake Investigation of the Structures on the TEM
FHWA-RD-00-146, July 2000 (PDF file - 2,511KB)

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OECD Seminar on Strategic Planning for Road Research Programs, FHWA-RD-93-048
Office of Infrastructure Research & Development Pavements, FHWA-RD 03-090
Office of Operations Research and Development (R&D), FHWA-HRT-08-030, August 2008
Office of Operations R&D - Fact Sheet - FHWA-HRT-17-057, August 2017
Office of Research, Development, and Technology's Fiscal Year 2006 Research Project Status Summary, FHWA-HRT-07-049, May 2007
Office of Safety R&D - Fact Sheet - FHWA-HRT-17-058, August 2017
Older Driver Highway Design Handbook, FHWA-RD-97-135, January 1998
One-Page Brief: Assessment of Federal Highway Administration (FHWA) Highway Project Cost Estimation Tools, TechBrief, FHWA-HRT-22-058, March 2022 (PDF - 184 KB)
Older Driver Perception-Reaction Time for Intersection Sight Distance and Object Detection, Volume 1: Final Report, FHWA-RD-03-090
Open Source Surrogate Safety Assessment Model, 2017 Enhancement and Update: SSAM Version 3.0 - Techbrief - FHWA-HRT-17-027, January 2017
Operating Characteristics of the SegwayTM Human Transporter, FHWA-HRT-10-025, June 2010
Operating Larger Trucks on Roads with Restrictive Geometry: Summary Report, FHWA-IP-89-025, PB90-153669/AS (A03)
Operational Effectiveness of Passing Lanes on Two-Lane Highways, FHWA-RD-86-195, PB-107924/AS (A03)
Operational Impacts of Wider Trucks on Narrow Roadways, FHWA-RD-90-103
Opportunities for Advanced Vehicle Control Systems in Commercial Vehicle Operations and Public. Available from the R&T Product Distribution Center, FHWA-RD-96-139
Optimal Acceptance Standards for Statistical Construction Specifications, FHWA-RD-02-095
Optimization Of Grade 100 High-Performance Steel Butt Welds - Techbrief - FHWA-HRT-05-079, November 2013
Optimization of Rib-to-Deck Welds for Steel Orthotropic Bridge Decks - Report - FHWA-HRT-17-020, February 2017
Optimization of Traffic Data Collection for Specific Pavement Design Applications, FHWA-HRT-05-079, May 2006
Optimized Sections for High-Strength Concrete Bridge Girders--Effect of Deck Concrete Strength, FHWA-HRT-05-058, October 2006
Organizational and Expertise Directory (Spring 2008), FHWA-HRT-08-054
Overhead Guide Sign Visibility Factors; Vol. I, FHWA-RD-88-196
Overhead Sign Visibility Factors, Vol. II, FHWA-RD-88-197

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2002 Pavement Design Guide, FHWA-RD-00-129
PBCAT Pedestrian & Bicycle Crash Analysis Tool, Version 2.0, FHWA-HRT-06-089, July 2006
PBCAT-Pedestrian and Bicycle Crash Analysis Tool Version 3.0, TechBrief, FHWA-HRT-22-038, December 2021, (PDF), 596 KB
Paint and Corrosion Laboratories Fact Sheet, FHWA-HRT-05-064
Partial Automation for Truck Platooning, FHWA-HRT-19-028, November 2019
Passive Bus Detector Evaluation, FHWA-TS-88-011, PB89-194815/AS (A03)
Passive Wireless Sensor Technology Workshop, Advanced Research Presentation - May 4, 2015
Pathfinder, In-Vehicle Navigation System, FHWA-RD-89-196
Pathways to Careers in Federal Highway Research, Brochure - FHWA-HRT-16-025, December 2016
Pavement Markings and Delineation for Older Drivers, Vol. I: Final Report, FHWA-RD-94-145
Pavement Markings and Delineation for Older Drivers, Vol. II: Executive Summary. Available from the R&T Product Distribution Center, FHWA-RD-95-118
Pavement Marking Demonstration Project: State of Alaska and State of Tennessee-Report to Congress, FHWA-HRT-09-039
Pavement Marking Demonstration Projects: State of Alaska and State of Tennessee - Report - FHWA-HRT-12-048, November 2013
Pavement Performance Measures and Forecasting and The Effects of Maintenance and Rehabilitation Strategy on Treatment Effectiveness - Report - FHWA-HRT-16-047, January 2017
Pavement Performance Measures and Forecasting and The Effects of Maintenance and Rehabilitation Strategy on Treatment Effectiveness (Revised) - Report - FHWA-HRT-17-095, September 2017
Pavement Remaining Service Interval - Techbrief - FHWA-HRT-13-039, May 2013
Pavement Remaining Service Interval Implementation Guidelines - Report - FHWA-HRT-13-050, November 2013
Pavement Research Progress Newsletter, FHWA-HRT-06-097, Spring 2006
Pavements Research-Related Publications and Articles
Pavement Smoothness Index Relationships, FHWA-RD-02-057
Pavement Smoothness Methodologies, FHWA-HRT-06-041
Summary of Key Benefits 1989 - 2015, Brochure - FHWA-HRT-16-013, January 2015
Pavement Structural Evaluation At The Network Level - Techbrief - FHWA-HRT-15-075, March 2016
Pavement Structural Evaluation at the Network Level: Final Report - Report - FHWA-HRT-15-074, September 2016
Paving The Way for Greener Highways - Extending Concrete's Service Life Through Multiscale Crack Control, FHWA-HRT-13-079 - EAR Fact Sheet, September 2013
Pedestrian Access to Roundabouts: Assessment of Motorists' Yielding to Visually Impaired Pedestrians and Potential Treatments to Improve Access, FHWA-HRT-05-080
Pedestrian and Bicyclist Intersection Safety Indices, FHWA-HRT-06-125, November 2006
Pedestrian and Bicyclist Intersection Safety Indices: User Guide, FHWA-HRT-06-130, April 2007, Ped ISI Calculator, Bike ISI Calculator
Pedestrian and Bicycle Safety Research Information
Pedestrian Crosswalk Case Studies: Richmond, Virginia; Buffalo, New York; Stillwater, Minnesota FHWA-RD-00-103 (PDF - 739KB)
Pedestrian Facilities Users Guide - Providing Safety and Mobility, FHWA-RD-01-102, March 2002 (Report)
Pedestrian Safety in Sweden, FHWA-RD-99-091
Pedsmart
Peer Exchange Policy for State Planning and Research
Pendulum Testing of an FRP Composite Guardrail: FOIL Test Numbers 96P019 Through 96P023, 97P001, and 97P002, FHWA-RD-98-017
Pendulum Testing of Fixed-End W-Beam Guardrail: FOIL Test Numbers 96P001, 96P002, 96P003, 96P004, 96P005, and 96P006, FHWA-RD-97-078
A Performance Based Approach for Loading Definition of Heavy Vehicle Impact Events - Report - FHWA-HIF-18-062, May 2018
Performance-Based Contractor Prequalification As An Alternative to Performance Bonds - Report - FHWA-HRT-14-034, January 2014
Performance-Based Contractor Prequalification As An Alternative To Performance Bonds - Techbrief - FHWA-HRT-14-035, January 2014
Performance Evaluation of One-Coat Systems for New Steel Bridges, FHWA-HRT-11-046
Performance Evaluation of an On-Board data Acquisition System, FHWA-RD-90-018, PB90-204561/AS (A03)
Performance of Coarse-Graded Mixes at WesTrack - Premature Rutting, Final Report 6/1/1998
Report: Performance-Related Specifications for Concrete Pavements Volume I: Development of A Prototype Performance-Related Specification, FHWA-RD-93-042
Report: Performance-Related Specifications for Concrete Pavements Volume II: Appendix A - Prototype Performance-Related Specification, Appendix B - Pavespec Users Guide, Appendix C - Annotated Bibliography, FHWA-RD-93-043
Report: Performance of Continuously Reinforced Concrete Pavements, Volume VI - CRC Pavement Design, Construction, and Performance, FHWA-HD-97-151
Report: Performance of Continuously Reinforced Concrete Pavements, Volume IV - Resurfacings for CRC Pavements, FHWA-RD-98-100
Performance of Grouted Connections for Prefabricated Bridge Deck Elements - Report - FHWA-HIF-19-003, November 2018
Performance Report - RD&T FY 2004, HRT-05-040
Performance Report - HRT&T FY 2003, FHWA-HRT-04-083
Performance Report - RD&T FY 2002, FHWA-RD-02-101
Performance Test for Geosynthetic Reinforced Soil Including Effects of Preloading
FHWA-RD-01-018, June 2001 (NTIS No. PB2001-107602)
Performance Testing for Superpave and Structural Validation - Report - FHWA-HRT-11-045, November 2012
Performance Parameter Tradeoff Analysis for a Nationwide Differential GPS Service
Personnel Protection During Bridge Paint Removal (Technical Note)
Report: Petrographic Methods of Examining Hardened Concrete: A Petrographic Manual, FHWA-HRT-04-150, July 2006
Petrographic Methods of Examining Hardened Concrete: A Petrographic Manual, FHWA-RD-97-146, November 1997
Phenomenology Study of HERMES Ground Penetrating Radar Technology for Detection and Identification of Common Bridge Deck Features, FHWA-RD-01-090, June 2001
Phosphoric Acid As An Asphalt Modifier Guidelines for Use: Acid Type - Techbrief - FHWA-HRT-08-061, May 2008
Photographic Data Extraction Feasibility and Pilot Study in Support of Roadside Safety and Roadway Departure Research - Report - FHWA-HRT-13-088, May 2014
Pier Scour Estimation for Tsunami at Bridges - TechBrief - FHWA-HRT-21-073, August 2021 (PDF 428 KB)
Pier Scour in Clear-Water Conditions With Non-Uniform Bed Materials, FHWA-HRT-12-022, May 2012 (Report)
Pipe Interaction with the Backfill Envelope, FHWA-RD-98-191, Part 1, Part 2, Part 3, Part 4
Plain and Structural Concretes: Subject Index
(Transportation) Pooled Fund Study Descriptions
Portable Changeable Message Sign Handbook (PCMS), FHWA-RD-03-066
Post-Hazard Engineering Assessment of Highway Structures using Remote Sensing Technologies, FHWA-HIF-20-004, December 2019
Portland-Cement Concrete Rheology and Workability: Final Report,PDF FHWA-RD-00-025, April 2001
An FHWA Special Study: Post-Tensioning Tendon Grout Chloride Thresholds - Techbrief - FHWA-HRT-14-040, March 2014
An FHWA Special Study: Post-Tensioning Tendon Grout Chloride Thresholds - Report - FHWA-HRT-14-039, May 2014
The Potential of Multiple Connected and Federated Simulators and Models for Highway Transportation Research - EAR Report - FHWA-HRT-16-075, December 2017
Potential Safety Applications of Advanced Technology, FHWA-RD-93-080
Potential Uses of Reduced Datasets from the Roadway Information Database: A White Paper, FHWA-HRT-20-009, December 2019
Prediction of Chloride Penetration in Concrete FHWA-RD-00-142, PB2002-1000056
Prediction of the Expected Safety Performance of Rural Two-Lane Highways, FHWA-RD-99-207, December 2000
A Predictive Approach for Long-Term Performance of Recycled Materials Using Accelerated Aging, Volumes I: Final Report FHWA-RD-01-022 (NTIS No. PB2001-107670)
Volume II: Appendices FHWA-RD-01-023 (NTIS No. PB2001-107671)
Preliminary Evaluation and Analysis of LTPP Faulting Data, Final Report, FHWA-RD-00-076
Preliminary Human Factors Guidelines for Automated Highway System Designers: Vol. II, User-System Transactions, FHWA-RD-95-053
Preliminary Factors Guidelines for Traffic Control Management Centers, FHWA-JPO-99-042
Preliminary Human Factors Design Guidelines for Driver Information Systems, FHWA-RD-94-087
Preliminary Human Factors Guidelines for Automated Highway Systems, Vol. I: Guidelines for AHS Designers, FHWA-RD-94-116
Preliminary Vehicle Impact Simulation: The Proceedings of Workshop on Resilient Modulus Testing, ITS-90-031l
Preparing Our Nation's Roadways for Advanced Vehicle Technologies - Fact Sheet - FHWA-HRT-20-049, August 2020
Present Serviceability Rating Computation from Reported Distresses, Report, FHWA-HRT-21-041, March 2021 (PDF - 1.41 MB)
Preservation of The Reid Family Cemetery - Fact Sheet - FHWA-HRT-18-005, December 2017
A Primer for Agent-Based Simulation and Modeling in Transportation Applications - Report - FHWA-HRT-13-054, November 2013
Probabilistic Optimization for Profit (Prob.O.Prof) Software, FHWA-HRT-10-057
Producing Correct Software
Product Brief: DataPave 3.0: User-Friendly Access to LTPP Data, FHWA-RD-02-032
Product Brief: DataPave: User-Friendly Access to LTPP Data, FHWA-RD-99-051
Product Brief: Manuals Provide Information for Pavement Maintenance and Repair,
FHWA-RD-00-084
Product Brief: Rigid Pavement Design Software: A New Tool for Improved Rigid Pavement Design, FHWA-RD-99-129
Product Brief: Introducing ProVAL 2.0, September 2004, FHWA-HRT-04-154
Product Brief: Pavement Profile Viewer and Analyzer, June 2003 (FHWA-RD-03-070), PDF Version
Product Brief: Seasonal Monitoring Program - One Stop Shopping!, September 2004,
FHWA-HRT-04-153
Product Brief: Temperature Prediction and Adjustment Procedures for Asphalt Concrete Pavements, FHWA-RD-01-081
Product Brief: Videotapes Explain the How and Why of LTPP's Revised Resilient Modulus Laboratory Tests and Procedures, FHWA-RD-99-162
Properties and Behavior of UHPC-Class Materials - Report - FHWA-HRT-18-036, March 2018
Properties of Anchor Rods Removed From San Francisco-Oakland Bay Bridge - Report - FHWA-HRT-15-057, August 2015
Proposed Performance-Prediction Equations and Threshold Triggers for Thin-Overlay Treatments Using The Long-Term Pavement Performance Database - Report - FHWA-HRT-17-111, September 2018
Protecting Our Transportation Systems: An Information Security Awareness Overview (10/97),
FHWA-JPO-98-005
Protocol for Selecting ASR-Affected Structures for Lithium Treatment, August 2004, FHWA-HRT-04-113

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A Quarter Century of Geotechnical Research Report
FHWA-RD-98-139
Quality Assurance Data Analysis as a Leading Indicator for Infrastructure Condition Performance Management, FHWA-HRT-22-027, Report, April 2022 (PDF - 7.34 MB)
Quality Assurance Data Analysis as a Leading Indicator for Infrastructure Condition Performance Management, FHWA-HRT-22-050, Techbrief, January 2022 (PDF - 474 KB)
Quantification of Smoothness Index Differences Related to Long-Term Pavement Performance Equipment Type
FHWA-HRT-05-054, September 2005 (PDF - 2.76 MB)
Quickzone Studies 1-8, FHWA-HRT-05-142
Quickzone Case Study Snapshot #1: I-40 Full Closure Feasibility Assessment, FHWA-HRT-05-142
Quickzone Case Study Snapshot #2: I-95 Operational Analysis for Lane Closures at Night,
FHWA-HRT-05-143
Quickzone Case Study Snapshot #3: Responding to Public Concern about Delays during Bridge Repairs, FHWA-HRT-05-144
Quickzone Case Study Snapshot #4: Justifying the Additional Cost of Night Work in Nova Scotia, FHWA-HRT-05-145
Quickzone Case Study Snapshot #5: Cost-Effective Construction Phasing in Yosemite Valley,
FHWA-HRT-05-146
Quickzone Case Study Snapshot #6: Preparing for Peak Tourist Season during Repaving Operations, Zion National Park, FHWA-HRT-05-147
Quickzone Case Study Snapshot #7: Cumulative Delay Analysis for Successive Work Zone on Beartooth Highway, FHWA-HRT-05-148
Quickzone Case Study Snapshot #8: Economic Impact of Work Zones with Lengthy Detours in Wyoming, FHWA-HRT-05-149

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R


Radio Frequency Identification Applications in Pavements, FHWA-HRT-14-061 - Report, August 2014
Railroad Crossing Corridor Improvements: A Model Program Based on field reviews in Six States, June 1986, FHWA-DP-70-1
Railroad Highway Grade Crossing Handbook, FHWA-TS-86-215
Ramp Signing for Trucks, FHWA-RD-91-042, PB86-237039/AS (A05)
Realistic Artificial Datasets: Objective Evaluation of Data-Driven Safety Analysis Models - EAR Fact Sheet - FHWA-HRT-20-047 - August 2020
Real-Time Bridge Monitoring - Developing Wireless Nanosensors to Monitor Structural Integrity, FHWA-HRT-13-057 - EAR Fact Sheet - March 2013
Real-time Ridesharing - EAR Reference Scan - FHWA-HRT-15-069 - August 2015
Recent International Activity in Cooperative Vehicle–Highway Automation Systems, Advanced Research - FHWA-HRT-12-033 - Report
Reclaimed Asphalt Pavement in Asphalt Mixtures: State of The Practice - Memorandum - April 2011
Recycling Pavement pubs
Reduced Lighting on Freeways During Periods of Low Traffic Density, FHWA-RD-86-018
Reducing Freight Congestion: Developing A Freight Congestion Mitigation Program – EAR Fact Sheet – FHWA-HRT-12-056
Reducing Runaway Truck Accidents Through Weight Based Advisory Speeds, FHWA-IP-89-023
Reducing the Specimen Size of Concrete Flexural Strength Test for Safety and Ease of Handling - Techbrief - FHWA-HRT-17-119 - December 2017
Reflective Characteristics of Roadway Pavements During Wet Weather, FHWA-RD-86-104
Reformulated Pavement Remaining Service Life Framework – Report – FHWA-HRT-13-038, November 2013
Rehabilitation of Asphalt Concrete Pavements: Initial Evaluation of the SPS-5 Experiment-Final Report, FHWA-HRT-01-168, July 2006 (PDF - 1.23 MB)
Remaining Service Interval: A White Paper, TechNote, FHWA-HRT-21-006, March 2021 (PDF - 2.66 MB)
Report: Rehabilitation Performance Trends: Early Observations From Long-Term Pavement Performance (LTPP) Specific Pavement Studies (SPS), FHWA-RD-97-099
Rehabilitation of Jointed Portland Cement Concrete Pavements: SPS-6, Initial Evaluation and Analysis, FHWA-RD-01-169, May 2005 (PDF - 1.42 MB)
Relationship Between a Truck Driver's Performance in a Personal Vehicle and a Large Truck
Relative Effectiveness Analysis of a Selected Fixed Lighting System versus Vehicle Headlights, FHWA-RD-86-033, PB86-203133/AS (A03)
Relative Visibility of Increased Legend Size vs. Brighter Materials for Traffic Signs, FHWA-RD-94-035
Reliability of Visual Inspection for Highway Bridges
Volume I: Final Report
FHWA-RD-01-020, June 2001, NTIS No. PB2001-107603
Volume II: Appendices
FHWA-RD-1-021, June 2001, NTIS No. PB2001-107599
Report: Remotely Monitoring Water Quality Near Highways: A Sustainable Solution, FHWA-HRT-16-018 - EAR Fact Sheet, November 2015
Report to Congress: The Department of Transportation on Civilian Use of the Global Positioning System (GPS): The Nationwide Differential Global Positioning System and Additional Civilian GPS Signals
Requirement for Traffic Assignment Models for Routing drivers with In-Vehicle Guidance Systems, FHWA-RD-89-182, PB89-0208441/AS (A03)
Responsive Multimodal Transportation Management Strategies and IVHS During Fiscal Year 1995, FHWA-RD-94-086
Research and Development Accounting and Budgeting System: User Guide, FHWA-RD-91-089
Research and Innovative Solutions for the Nation's Highway Challenges, Brochure - FHWA-HRT-19-010, January 2019
Research and Innovative Solutions for the Nation's Highway Challenges, Brochure - FHWA-HRT-19-023, January 2019
ResearchNote Assessing Chloride Ingress Through Construction Joints in UHPC Overlays, FHWA-HRT-22-078, Research Note, June 2022 (PDF - 1.03 MB)
Research, Development, and Implementation of Pedestrian Safety Facilities in the United Kingdom, FHWA-RD-99-089
Researcher's Guide to the Long-Term Pavement Performance Layer Thickness Data, FHWA-RD-03-040, July 2002
Research Project Summary of Selected Items FY 2007-2008
FHWA-HRT-09-038, June 2009 (PDF - 1,007KB)
Research and Technology Evaluation Final Report: Eco-Logical (FHWA), Technical Report - FHWA-HRT-17-036, March 2018
Research And Technology Evaluation Program (FHWA) [Updated: January 2018], Techbrief - FHWA-HRT-17-018, January 2018
Research And Technology Evaluation Program (FHWA) [Updated February 2018], Techbrief - FHWA-HRT-18-034, February 2018
Research and Technology Evaluation TechBrief: eNEPA FY21, TechBrief, FHWA-HRT-21-092, September 2021, PDF 352 KB
Research And Technology Evaluation (FHWA): Roundabout Research Final Report - Report - FHWA-HRT-17-040, June 2018
Research and Technology: The Value in Solving Transportation Challenges Globally Through Partnerships, Brochure - FHWA-HRT-14-048, April 2014
Research and Technology: The Value in Solving Transportation Challenges Globally Through Partnerships, Brochure - FHWA-HRT-14-025, December 2013
Researching Novel Approaches for Aging Resistant Binder Technologies - EAR Fact Sheet - FHWA-HRT-20-051 - August 2020
Research Projects and Benefits - Fact Sheet - FHWA-HRT-15-014, December 2014
Rest Area Forum: Summary of Proceedings
FHWA-RD-00-034, December 1999 (PDF - 215KB)
Research Update-Development of Prototype Driver Models for Highway Design, FHWA-RD-99-069
Resource List for December 2021, Flyer, FHWA-HRT-22-031, January 2022, (PDF), 268 KB
Resource Materials - ATIS and CVO Development Objectives and Performance Requirements, FHWA-RD-95-109
A Review of the Impacts of the Towaway Reporting Threshold on a Highway Safety Program , FHWA-RD-01-114, July 2001
Review and Assessment of Current Modeling Techniques in Support of Next-Generation Rollover Research—Phase I, FHWA-HRT-21-045, April 2021, (PDF), 4.9 MB
Review of the Long-Term Pavement Performance (LTPP) Backcalculation Results, FHWA-HRT-05-150, February 2006 (PDF - 819 KB)
A Review of Pedestrian Safety Research in the United States and Abroad, FHWA-HRT-03-042, November 2003
A Review of the Signalized Intersections: Informational Guide, FHWA-HRT-04-092
Report: Rigid Pavement Analysis and Design, FHWA-RD-88-068
Rivers & Roads Connection Program Fact Sheet, FHWA-HRT-21-094, Fact Sheet, December 2021 (PDF - 1.12 MB)
Road Less Traveled: Intelligent Transportation Systems for Sustainable Communities
Road Safety Audits, FHWA-HRT-06-046
Road User Behaviors At Pedestrian Hybrid Beacons, FHWA-HRT-16-039
Roadside Improvements for Local Roads and Streets
Roadway Geometry and Inventory Trade Study for IntelliDrive℠ Applications Applications, FHWA-HRT-10-073, November 2010
Roadway Human Factors and Behavioral Safety in Europe, FHWA-SA-93-001
Roadway Safety Hardware Asset Management Systems Case Studies, FHWA-HRT-05-073, October 2005
Roadway Safety Hardware Management Systems, FHWA-HRT-04-102
Road Weather Management Summary, FHWA-HRT-04-101
Robotic System for Condition Assessment of Concrete Bridge Decks, Brochure - FHWA-HRT-13-035, January 2013
Roundabouts , FHWA-HRT-06-047
The Role of Artificial Intelligence and Machine Learning in Federally Supported Surface Transportation Initiatives, Brochure - FHWA-HRT-18-066, December 2018
Rollover Caused by Concrete Safety Shaped Barrier: Vol. I: Technical Report, FHWA-RD-88-219, PB90-208067/AS (A07)
Roundabouts: An Informational Guide
FHWA-RD-0068, June 2000 (PDF - 4,872KB)
Roundabouts: An Informational Guide (Techbrief), FHWA-RD-00-068, March 2000
Roundabouts: An Informational Guide, FHWA-RD-00-067, June 2000
Ruggedness and Interlaboratory Studies for Asphalt Mixture Performance Tester (AMPT) Cyclic Fatigue Test: Phase I Report - FHWA-HRT-21-057 - Report, May 2021, PDF 3.88 MB
Rumble Strips, FHWA-HRT-06-048
Rural Applications of Advanced Traveler Information Systems: Recommended Actions, FHWA-RD-97-042
Rural Applications of Advanced Traveler Information Systems: User Needs and Technology, FHWA-RD-97-034
Rural ITS: Rural ITS Needs and Challenges, FHWA-RD-99-102
Rutting Strain Index (RSI) Parameter for Asphalt Performance Engineered Mixture Design Techbrief, FHWA-HRT-21-044, April 2021 (PDF 248 KB)

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Safer, More Reliable Transportation With Behavioral Economics: Cellphone Use and Managed Lane Choice, FHWA-HRT-20-013, March 2020
Safer Travel: Improved Economic Productivity Incident Management Systems, FHWA-JPO-99-006
Safer Trucks, Higher Profits for Motor Carriers: Commercial Vehicle Electronic Screening, FHWA-JPO-99-010
Safety and Health on Bridge Repair, Renovation, and Demolition Projects, FHWA-RD-98-180
Safety Data: Costs, Quality, and Strategies for Improvement, FHWA-RD-96-027
Safety & Operations Electronic Reading Room - 1999, A compilation of publications that document some of FHWA's recent research and accomplishments in highway safety and operations.
Safety Effectiveness of Intersection Left- and Right-Turn Lanes, FHWA-RD-02-089, July 2002 (PDF - 1.48MB), TechBrief
Safety Effects of Cross-Section Design on Rural Multilane Highways, FHWA-RD-97-027
Safety Effects of Cross-Section Design for Rural, Four-Lane, Non-Freeway Highways, FHWA-RD-98-071
Safety Effects of the Conversion of Rural Two-Lane Roadway to Four-Lane Roadways
November 1999 (PDF - 112KB)
Safety Effects of Differential Speed Limits on Rural Interstate Highways, FHWA-HRT-05-042, October 2005
Safety Effects of Horizontal Curve and Grade Combinations on Rural Two-Lane Highways - Report - FHWA-HRT-13-077, January 2014
Safety Effects of Horizontal Curve and Grade Combinations on Rural Two-Lane Highways - Summary Report - FHWA-HRT-13-078, January 2014
Safety Effects of Marked Versus Unmarked Crosswalks at Uncontrolled Locations Final Report and Recommended Guidelines, FHWA-HRT-04-100, August 2005
Safety Effects of Marked Vs. Unmarked Crosswalks at Uncontrolled Locations: Executive Summary and Recommended Guidelines, FHWA-RD-01-075
Safety Effectiveness of Highway Design Features, Volume I: Access Control, FHWA RD-91-044
Safety Effectiveness of Highway Design Features, Volume II: Alignment, FHWA RD-91-045
Safety Effectiveness of Highway Design Features, Volume III: Cross Sections, FHWA RD-91-046
Safety Effectiveness of Highway Design Features, Volume V: Intersections, FHWA RD-91-048
Safety Effectiveness of the HAWK Pedestrian Crossing Treatment, FHWA-HRT-10-042
Safety Evaluation of Access Management Policies and Techniques - Report - FHWA-HRT-14-057, February 2018
Safety Evaluation of Advance Street Name Signs, FHWA-HRT-09-029, June 2009
Safety Evaluation of Cable Median Barriers in Combination With Rumble Strips on the Inside Shoulder of Divided Roads - Techbrief - FHWA-HRT-17-071, September 2017
Safety Evaluation of Cable Median Barriers in Combination With Rumble Strips on Divided Roads - Report - FHWA-HRT-17-070, August 2017
Safety Evaluation of Centerline Plus Shoulder Rumble Strips - Techbrief - FHWA-HRT-15-064, September 2015
Safety Evaluation of Continuous Green T Intersections - Report - FHWA-HRT-16-036, April 2016
Safety Evaluation of Continuous Green T Intersections - Techbrief - FHWA-HRT-19-032, November 2019
Safety Evaluation of Converting Traffic Signals From Incandescent to Light-Emitting Diodes - Summary Report - FHWA-HRT-13-070, August 2013
Safety Evaluation of Corner Clearance at Signalized Intersections - Report - FHWA-HRT-17-084, February 2018
Safety Evaluation of Corner Clearance at Signalized Intersections - Techbrief - FHWA-HRT-17-085, February 2018
Safety Evaluation of Discontinuing Late-Night Flash Operations At Signalized Intersections, HSIS Summary Report - FHWA-HRT-13-069, August 2013
Safety Evaluation of Edge Line Rumble Stripes (ELRSs) on Rural, Two-Lane Horizontal Curves - Techbrief - FHWA-HRT-17-068, November 2017
Safety Evaluation of Edge-Line Rumble Stripes on Rural Two-Lane Horizontal Curves - Report - FHWA-HRT-17-069, December 2017
Safety Evaluation of Flashing Beacons at STOP-Controlled Intersections, FHWA-HRT-08-044, April 2008
Safety Evaluation of Flashing Yellow Arrow At Signalized Intersections - Report - FHWA-HRT-19-036, August 2020
Safety Evaluation of Horizontal Curve Realignment on Rural, Two-Lane Roads - Report - FHWA-HRT-17-066 , April 2018
Safety Evaluation of Horizontal Curve Realignment on Rural Two-Lane Roads - Techbrief - FHWA-HRT-17-067 , November 2017
Safety Evaluation of Improved Curve Delineation, FHWA-HRT-09-045, December 2009
Safety Evaluation of Increasing Retroreflectivity of STOP Signs, FHWA-HRT-08-041, December 2007
Safety Evaluation of Installing Center Two-Way Left-Turn Lanes on Two-Lane Roads, FHWA-HRT-08-042, December 2007
Safety Evaluation of Intersection Conflict Warning Systems (ICWS) - Techbrief - FHWA-HRT-15-076, February 2016
Safety Evaluation of Intersection Conflict Warning Systems - Report - FHWA-HRT-16-035, June 2016
Safety Evaluation of Lane and Shoulder Width Combinations on Rural, Two-Lane, Undivided Roads, FHWA-HRT-09-031, June 2009
Safety Evaluation of Multiple Strategies at Signalized Intersections - Report - FHWA-HRT-17-062, May 2018
Safety Evaluation of Multiple Strategies At Signalized Intersections - Techbrief - FHWA-HRT-17-063, August 2017
Safety Evaluation of Multiple Strategies at Stop-Controlled Intersections - Report - FHWA-HRT-17-086, January 2018
Safety Evaluation of Multiple Strategies at Stop-Controlled Intersections - Techbrief - FHWA-HRT-17-087, December 2017
Safety Evaluation of Offset Improvements for Left-Turn Lanes, FHWA-HRT-09-035, June 2009
Safety Evaluation of STOP AHEAD Pavement Markings, FHWA-HRT-08-043, December 2007
Safety Evaluation of Pedestrian Countdown Signals - Report - FHWA-HRT-19-045, November 2019
Safety Evaluation of Profiled Thermoplastic Pavement Markings - Techbrief - FHWA-HRT-17-076, December 2017
Safety Evaluation of Profiled Thermoplastic Pavement Markings - Report - FHWA-HRT-17-075, March 2018
Safety Evaluation of Protected Left-Turn Phasing and Leading Pedestrian Intervals on Pedestrian Safety - Report - FHWA-HRT-18-044, October 2018
Safety Evaluation of Protected Left-Turn Phasing on Pedestrian Safety - Techbrief - FHWA-HRT-18-059, October 2018
Safety Evaluation of Red-Light Cameras, FHWA-HRT-05-048, April 2005
Safety Evaluation of Red-Light Cameras-Executive Summary, FHWA-HRT-05-049, April 2005
Safety Evaluation of Red-Light Indicator Lights (RLILs) - Techbrief - FHWA-HRT-17-078, November 2017
Safety Evaluation of Red-Light Indicator Lights (RLILs) At Intersections - Report - FHWA-HRT-17-077, November 2017
Safety Evaluation of Restricted Crossing U-Turn Intersection - Techbrief - FHWA-HRT-17-083, November 2017
Safety Evaluation of Rolled-In Continuous Shoulder Rumble Strips Installed on Freeways
FHWA-RD-00-32, December 1999 (PDF - 109KB)
Safety Evaluation of Leading Pedestrian Intervals on Pedestrian Safety - Techbrief - FHWA-HRT-18-060, September 2018
Report: Safety Evaluation of the Safety Edge Treatment, FHWA-HRT-11-024, April 2011
Summary: Safety Evaluation of the Safety Edge Treatment, FHWA-HRT-11-025, (Date N/A)
Safety Evaluation of Signalized Restricted Crossing U-Turn Intersections - Report, FHWA-HRT-17-082, December 2017
Safety Evaluation of Transverse Rumble Strips on Approaches to Stop-Controlled Intersections in Rural Areas, FHWA-HRT-12-047 (Summary Report)
Safety Evaluation of Turning Movement Restrictions at Stop-Controlled Intersections - Techbrief, FHWA-HRT-17-065, December 2017
Safety Evaluation of Turning Movement Restrictions at Stop-Controlled Intersections - Report, FHWA-HRT-17-064, March 2018
Safety Evaluation of Wet-Reflective Pavement Markings - Report, FHWA-HRT-15-065, September 2015
Safety Evaluation of Wet-Reflective Pavement Markings - Techbrief, FHWA-HRT-15-083, December 2015
A Safety Evaluation of UVA Vehicle Headlights, FHWA-RD-99-074
A Self-Sensing Adaptive Material for a New Generation of Multifunctional Highway Bridge Bearing Systems, FHWA-HRT-19-027, February 2020
Safety Impacts of Different Speed Limits on Cars and Trucks: Final Report, FHWA-RD-93-161
Safety Implications of Various Truck Configurations, Vol. I; Technical Report, FHWA-RD-89-018
Safety Research-Related Publications and Articles
SafetyAnalyst Brochure, FHWA-HRT-09-023 (PDF - 1.24mb)
SafetyAnalyst Brochure FHWA-HRT-06-124 (PDF - 396kb)
Safety Resource Allocation Programs - Implementation Technique, FHWA-TS-88-019,
PB89-124291/AS (A04)
Safety Resource Allocation Programs Implementation Techniques, Final Report Users Manual, IP-88-020, PB89-124309
Sample Guide Specifications for Construction of Geosynthetic Reinforced Soil-Integrated Bridge System (GRS-IBS) - Report, FHWA-HRT-12-051, August 2012
Saving Lives, Improving Transportation Efficiency: Weather Information for Surface Transportation, FHWA-JPO-99-015
Saxton Laboratory - Transforming Transportation Systems Through Research and New Technologies, Fact Sheet, FHWA-HRT-22-037, January 2022 (PDF File, 2.53 MB)
Saxton Transportation Operations Laboratory - Fact Sheet - FHWA-HRT-17-031, January 2017
Screening Level Assessment of Arsenic and Lead Concentrations in Glass Beads Used in Pavement Markings - Report - FHWA-HRT-14-021, January 2014
Seasonal Variations in the Moduli of Unbound Pavement Layers, FHWA-HRT-04-079, July 2006
Secondary Materials Recycling Center Publications
Securing Vehicle-to-Vehicle Communication Through Consortium Blockchain - EAR Fact Sheet - FHWA-HRT-21-048, June 2021 (PDF 252 KB)
Seismic Retrofitting Manual for Highway Bridges FHWA-RD-94-052, May 1995 (25,099KB)
Seismic Retrofitting Manual for Highway Structures: Part 1-Bridges, FHWA-HRT-06-032 (Report)
Seismic Retrofitting Manual for Highway Structures: Part 2 – Retaining Structures, Slopes, Tunnels, Culverts, and Roadways, FHWA-HRT-05-067 (Report)
Self-Enforcing Roadways: A Guidance Report - Report - FHWA-HRT-17-098, January 2018
Service Life of Retroreflective Traffic Signs, FHWA-RD-90-101, PB92-162163 (A03)
Session Summary: Federal Highway Administration (FHWA) Long-Term Bridge Performance Program Transportation Research Board (TRB) 88th Annual Meeting (January 15, 2009).
Shared Resources: Sharing Right-of-Way for Telecommunications - Identification Review and Analysis of Legal Institutional Issues (Final Report), FHWA-JPO-96-015
Shared Resources: Sharing Right-of-Way for Telecommunications: Guidance on Legal and Institutional Issues (3/96)
Sharing Resources, Coordination Response: Deploying and Operating Incident Management Systems, FHWA-JPO-99-007
Sharing Right-of-Way for Wireless Telecommunications: Guidance of Legal and Institutional Issues
SHRP2 Traffic Incident Management Responder Training Program Final Report - Report - FHWA-HRT-18-038, September 2018
Side Impact Test and Evaluation Procedures for Roadside Structure Crash Tests, FHWA-RD-92-062, PB93-208437
Sign Luminance Requirements for Various Background Complexities, FHWA-RD-85-056, PB86-127545/AS (A03)
Signalized Intersections: Informational Guide, FHWA-HRT-04-091, August 2004
Simplified Techniques for Evaluation and Interpretation of Pavement Deflections for Network-Level Analysis: Guide for Assessment of Pavement Structure Performance for PMS Applications, FHWA-HRT-12-025, June 2012 (Report)
Simplified Techniques for Evaluation and Interpretation of Pavement Deflections for Network-Level Analysis - Report - FHWA-HRT-12-023, December 2012 (Report)
Simulator Assessment of Alternative Lane Grouping At Signalized Intersections - Report - FHWA-HRT-19-025, March 2019
Simulator Assessment of Contraflow Lanes at Signalized Intersections - Fact Sheet - FHWA-HRT-18-016, December 2017
Simulator Evaluation of Low-Cost Safety Improvements on Rural Two-Lane Undivided Roads: Nighttime Delineation for Curves and Traffic Calming for Small Towns, FHWA-HRT-09-061
Simulator Study of Signs for A Complex Interchange and Complex Interchange Spreadsheet Tool, FHWA-HRT-13-047 - Report - August 2013
Slip and Creep of Thermal Spray Coatings, FHWA-HRT-14-083 - Techbrief - September 2014
Smart Pavement Monitoring System, FHWA-HRT-12-072 - Report - May 2013
Smart Vehicles, Smart Signals, Smart Cities, FHWA-HRT-18-032 - EAR Fact Sheet - June 2018
Software Reliability: A Preliminary Handbook, FHWA-HRT-04-080, September 2004
South Dakota Culvert Inlet Design Coefficients, FHWA-RD-01-076, June 2001
Spatial Ability and Advanced Traveler Information System Route Guidance, FHWA-RD-95-125
Speed Control Through Work Zones: Technical Evaluation and Implementation Guide, FHWA-IP-87-004
Speed Harmonization, FHWA-HRT-15-012 - Fact Sheet - November 2014
Speed prediction for Two-Lane Rural Highways, Final Report FHWA-RD-99-171 (PDF - 1.03MB)
Speed-Safety Analyses Using Linked National Performance Management Research Data Set (NPMRDS) and SHRP2 Roadway Information Database (RID) Data, FHWA-HRT-18-046 - Report - November 2018
SPEL, Special Products Evaluation List, FHWA-RD-85-082
Speeding Response, Saving Lives: Automatic Vehicle Location Capabilities for Emerging Services, FHWA-JPO-99-003
Splice Length of Prestressing Strand in Field-Cast Ultra-High Performance Concrete Connections - Techbrief - FHWA-HRT-14-041, February 2014
State of Maryland Intelligent Transportation Systems Security Implementation Recommendations (11/97), FHWA-JPO-98-014
State of The Practice and Art for Structural Health Monitoring of Bridge Substructures - Report - FHWA-HRT-09-040, May 2014
State of The Practice for Shoulder and Center Line Rumble Strip Implementation on Non-Freeway Facilities - Report - FHWA-HRT-17-026, March 2017
State of the Practice for Traveler Information During Nonrecurring Events - Fact Sheet - FHWA-HRT-17-015, February 2018
State of the Practice for Traveler Information During Nonrecurring Events - Report - FHWA-HRT-17-014, April 2018
State of The Practice on Data Access, Sharing, and Integration - Report - FHWA-HRT-15-072, December 2016
State Planning and Research Distribution Report Revision, Report, December 2020 PDF
State Planning and Research Funds Overhead/Indirect Cost Rate Guidance, Memorandum, July 2017
State Planning and Research Guide For Peer Exchanges, FHWA-HRT-10-048
State Planning and Research Program Research, Development, and Technology Transfer Program Management Guidance for Implementing 23 CFR Part 420, Subpart B - Report - October, 2018
State Planning and Research SubPart B - Division Program Action Checklist, Fact Sheet, FHWA-HRT-21-072, July 2021, PDF 288 KB
Statistical Analysis of Pavement Profiler Data to Evaluate the Bump at the End of the Bridge - Report - FHWA-HRT-21-037, May 2021 (PDF 4.32 MB)
Statistical Model of At-Grade Intersection Accidents, FHWA-RD-96-125
Statistical Models of Accidents on Interchange Ramps & Speed-Change Lanes, FHWA-RD-97-106
Statistical Models of At-Grade Intersection Accidents--Addendum FHWA-RD-99-094, March 2000 (PDF - 343 KB)
Staying in Lane – Intelligent Fusion of Vehicle Sensor Data, FHWA-HRT-10-064, July 2010
Steel Truss Retrofits to Provide Alternate Load Paths for Cut, Damaged, or Destroyed Members, FHWA-HRT-20-055, November 2020 (PDF - 20.3 MB)
Strategic Plan for The Turner-Fairbank Research Center - Summary - FHWA-HRT-14-022, November 2014
Strategic Planning for Road Research Program Brochure, FHWA RD-93-128
Step Frequency Ground Penetrating Radar Characterization and Federal Evaluation Tests, FHWA-HRT-10-037
Steps for Action Getting Intelligent Transportation Systems Ready for Year 2000, FHWA-SA-99-001
Streamlining ITS Planning: Identifying Common ITS Needs, National ITS Architecture, FHWA-JPO-99-013
Strength and Fatigue Resistance of Clustered Shear Stud Connectors in Composite Steel Girders, - Report - FHWA-HRT-20-005, November 2019
Structural Behavior of Ultra-High Performance Concrete Prestressed I-Girders FHWA-HRT-06-115, August 2006 (PDF - 332 KB)
Structural Carbon Nanotube-Based Composites: Developing Composite Technology to Rehabilitate Aging Bridges - FHWA-HRT-17-123 - Fact Sheet, September 2018
Structural Factors for Flexible Pavements-Initial Evaluation of the SPS-1 Experiment Final Report, FHWA-RD-01-166, November 2003
Structural Factors of Jointed Plain Concrete Pavements: SPS-2-Initial Evaluation and Analysis, FHWA-HRT-01-167, April 2005
Structures Laboratory Fact Sheet, FHWA-HRT-07-060
Study of Adequacy of Commercial Truck Parking Facilities - Technical Report, FHWA-RD-01-158, 68 pages
Study of LTPP Laboratory Resilient Modulus Test Data and Response Characteristics, Final Report (FHWA-RD-02-051), October 2002, Abstract, Full Report in PDF Format (1,635 KB), Full Report in HTML Format.
Study Designs for Passing Sight Distance Requirements, FHWA RD-91-078
Study of LTPP Pavement Temperatures, FHWA-RD-02-071, March 2005
Submerged Flow Bridge Scour Under Clear Water Conditions, FHWA-HRT-12-034 , August, 2012
Successful Approaches to Deploying a Metropolitan Intelligent Transportation System (Final Report - 3/99), FHWA-JPO-99-032
Surface Resistivity Test Evaluation As An Indicator of The Chloride Permeability of Concrete - Techbrief - FHWA-HRT-13-024, December 2012
SUMMARY: Development of a Speeding-Related Crash Typology, FHWA-HRT-10-039
SUMMARY: Evaluation of Sign and Marking Alternatives for Displaced Left-Turn Lane Intersections, FHWA-HRT-08-071
Summary of Projects Funded By The Federal Highway Administration for The National Surface Transportation Safety Center for Excellence From July 2006 to June 2014 - Report - FHWA-HRT-16-014, April 2016
Summary Report: Accident Analysis of Older Drivers at Intersections, FHWA-RD-94-021
Summary Report: An Evaluation of Signing for Three-Lane Roundabouts, FHWA-HRT-10-030
Summary Report: Comparative Effectiveness of Alternative Smartphone-Based Nudges to Reduce Cellphone Use While Driving: Final Report, Summary Report, FHWA-HRT-22-057, February 2022 (PDF - 1.95 MB)
Summary Report: Comparison of the Safety of Lighting Options on Urban Freeways, FHWA-RD-95-164
Summary Report: Development of a Speeding-Related Crash Typology, FHWA-HRT-10-039
Summary Report: Effects of a Towaway Reporting Threshold on Crash Analysis Results, FHWA-RD-98-114
Summary Report: Evaluation of Lane Reduction "Road Diet" Measures on Crashes, FHWA-HRT-10-053
Summary Report: Evaluation of Lane Reduction "Road Diet" Measures and Their Effects on Crashes and Injuries, FHWA-HRT-04-082.
Summary Report: Environmental Sensors for Safe Traffic Operations, FHWA-RD-95-170
Summary Report: Factors Contributing to Pedestrian and Bicycle Crashes on Rural Highways, FHWA-HRT-10-052
Summary Report: Integrated Capabilities In Heavy Vehicles: Human Factors Research Needs, FHWA-RD-98-187
Summary Report: Integrated ITS Capabilities in Transit Vehicles: Human Factors Research Needs, FHWA-RD-98-188
Summary Report: Investigation of Highway Work Zone Crashes, FHWA-RD-96-100
Summary Report: Investigation of National Highway System Roadways in the HSIS States, FHWA-RD-98-080
Summary Report On The FHWA LTBP Workshop To Identify Bridge Substructure Performance Issues: March 4–6, 2010, In Orlando, Fl - Report - FHWA-HRT-11-037, January 2013
Summary Report: Presenting Hazard Warning Information to Drivers Using an Advanced Traveler Information System, FHWA-RD-96-183
Summary Report: Roadway Widths for Low-Traffic Volume Roads, FHWA-RD-94-023
Summary Report: The Application of an Improved Accident Analysis Method for Highway Safety Evaluations, FHWA-RD-94-082
Summary Report: The Effects of Airbags on Severity Indices for Roadside Objects, FHWA-RD-98-056
Summary Report: The Magnitude and Severity of Passing Accidents on Two-Lane Rural Roads, FHWA-RD-94-068
Summary Report: Truck Accident Models, FHWA-RD-94-022
Superpave Mixture Design Guide, Westrack Forensic Team Consensus Report, FHWA-RD-01-052, February 2001
Supplementary Cementitious Material Advancements: Helping to Make Longer Lasting Concrete Highways and Transportation Structures - EAR Fact Sheet - FHWA-HRT-20-048 - August 2020
Support of the System Test and Analysis Program for the NDGPS Modernization Program,
FHWA-HRT-02-110
Surrogate Safety Assessment Model (SSAM)—Software User Manual, FHWA-HRT-08-050, July 2008
Surrogate Safety Assessment Model and Validation: Final Report, FHWA-HRT-08-051, June 2008
Surrogate Safety Measures From Traffic Simulation Models, FHWA-RD-03-050
Symbol Signing Design for Older Drivers, FHWA-RD-94-069
Synthesis and Evaluation of The Service Limit State of Engineered Fills for Bridge Support - Report - FHWA-HRT-15-080, February 2016
Synthesis of Geosynthetic Reinforced Soil (GRS) Design Topics - Report - FHWA-HRT-14-094, February 2015
Synthesis of Human Factors Research on Older Drivers and Highway Safety Volume 1: Older Driver Research Synthesis, FHWA-RD-97-094
Synthesis of National and International Methodologies Used for Bridge Health Indices - Report - FHWA-HRT-15-081, May 2016
Synthesis of Safety Research: Adverse Environment Conditions, FHWA-TS-89-046
Synthesis of Safety Research Related to Speed Management FHWA-RD-98-154, July 1998
Synthesis of Shoulder Rumble Strip Practices and Policies, FHWA-RD-01-072
Synthesis of Speed Zoning Practices, FHWA-RD-85-096, PB88-248992/AS (A04)
Synthesis of Traveler Choice Research: Improving Modeling Accuracy for Better Transportation Decisionmaking FHWA-HRT-13-022 - Report, August 2013
Systems Planning for Automated Commercial Vehicle Licensing and Permitting Systems: National ITS/CVO, FHWA-RD-96-126

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511 Traveler Information, FHWA-HRT-06-053
Task Analysis of Intersection Driving Scenarios: Information Processing Bottlenecks,
FHWA-HRT-06-033, August 2006
TechBrief: Adequacy of Rut Bar Data Collection, FHWA-RD-01-027
TechBrief: Advanced Methods for Using FWD Deflection-Time Data to Predict Pavement Performance, FHWA-RD-97-093
TechBrief: Advanced Traveler Information System Capabilities: Human Factors Research Needs, FHWA-RD-98-186
TechBrief: Analysis of an Ultra-High Performance Concrete Two-Way Ribbed Bridge Deck Slab, FHWA-HRT-07-055, October 2007
TechBrief: Basic Collision Warning and Driver Information Systems: Human Factors Research Needs, FHWA-RD-98-184
TechBrief: Characteristics of Emerging Road and Trail Users and their Safety, FHWA-HRT-04-104, September 2004
TechBrief: Comparison of Rehabilitation Strategies for AC Pavements, FHWA-RD-00-166
TechBrief: Compilation and Evaluation of Results From High-Performance Concrete Bridge Projects, FHWA-HRT-05-060, November 2005
TechBrief: Crash Impact of Smooth Lane Narrowing with Rumble Strips at Two-Lane Rural Stop-Controlled Intersections, FHWA-HRT-10-047, June 2010
TechBrief: Crosswalk Marking Field Visibility Study, FHWA-HRT-10-067, October 2010
TechBrief: Current Provisions and Needed Research for Lightweight Concrete in Highway Bridges, FHWA-HRT-07-051, August 2007
TechBrief: Development and Testing of a Surveillance and Delay Advisory System for Rural Areas and Evaluation of Satellite Communications System for Mayday Applications, FHWA-RD-99-116
TechBrief: Displaced Left-Turn Interchange, FHWA-HRT-09-056, December 2009
TechBrief: Displaced Left-Turn Intersection, FHWA-HRT-09-055, December 2009
TechBrief: Driver Attitudes and Behaviors at Intersections and Potential Effectiveness of Engineering Countermeasures FHWA-HRT-05-158, March 2006 (PDF 289 KB)
TechBrief: Drivers' Evaluation of the Diverging Diamond Interchange FHWA-HRT-07-048
(PDF 809 KB)
TechBrief: Double Crossover Diamond Interchange, FHWA-HRT-09-054, December 2009
TechBrief: Durability of Geosynthetics for Highway Application, FHWA-RD-01-050, January 2001
Techbrief: Effective Practices for Using UAS During Bridge Construction - TechBrief - FHWA-HRT-21-040, April 2021 (PDF 1.21 MB)
TechBrief: Effects of Yellow Rectangular Rapid-Flashing Beacons on Yielding at Multilane Uncontrolled Crosswalks, FHWA-HRT-10-046, August 2010
TechBrief: Evaluation of Safety, Design, and Operation of Shared-Use Paths, FHWA-HRT-05-139, March 2006
TechBrief: Finite Element Analysis of UHPC:Structural Performance of an AASHTO Type II Girder and a 2nd-Generation Pi-Girder, FHWA-HRT-10-079, November 2010
TechBrief: Freeze-Thaw Resistance of Concrete with Marginal Air Content, FHWA-HRT-06-118, May 2007
TechBrief: GIS-Based Crash Referencing and Analysis System, FHWA-RD-99-081
TechBrief: GIS Tools for Improving Pedestrian and Bike Safety, FHWA-RD-00-153
TechBrief: Help With Converting Pavement Smoothness Specifications, FHWA-RD-02-112
TechBrief: High Performance Concrete Bridge Deck Investigation, FHWA-HRT-09-070
TechBrief: High-Performance Materials for Substructures, Foundations, and Earth Retaining Systems Workshop (FHWA-HRT-08-058), FHWA-HRT-08-058
TechBrief: Highway Fog Warning System, FHWA-RD-99-110
TechBrief: Human Factors Design Research Needs for the Intelligent Vehicle Initiative (IVI) Program, FHWA-RD-98-147
TechBrief: Improving Accuracy of Unbound Resilient Modulus Testing, FHWA-RD-97-090
Techbrief: Improved Corrosion-Resistant Steel for Highway Bridge Construction, FHWA-HRT-11-061
TechBrief: Improved Corrosion-Resistant Steel For Highway Bridge Construction Knowledge-Based Design, FHWA-HRT-09-053
TechBrief: Improved Guidance for Users of the 1993 AASHTO Flexible Pavement Design Procedures, FHWA-RD-97-091
TechBrief: Incremental Costs and Performance Benefits of Concrete Pavement Design Features, FHWA-HRT-04-045, January 2003.
TechBrief: Intersection Collision Warning System , FHWA-RD-99-103
TechBrief: Key Findings From LTPP Distress Data, FHWA-RD-02-031
TechBrief: LTPP Data Analysis: Frequently Asked Questions About Joint Faulting With Answers From LTPP, FHWA-RD-97-101
TechBrief: LTPP Data Analysis: Improved Low Pavement Temperature Prediction, FHWA-RD-97-104
TechBrief: LTPP Data Analysis: Optimization of Traffic Data Collection for Specific Pavement Design Applications, FHWA-HRT-06-111
TechBrief: Quadrant Roadway Intersection, FHWA-HRT-09-058, January 2010
TechBrief: Median U-Turn Intersection, FHWA-HRT-09-057, December 2009
TechBrief: Multiple Corrosion-Protection Systems for Reinforced Concrete Bridge Components, FHWA-HRT-10-059, September 2011
TechBrief: Multiple Corrosion Protection Systems for Reinforced Concrete Bridge Components, FHWA-HRT-07-044, August 2007
TechBrief - Novel Highway Signs to Support Infrastructure-Based Motorcycle-Crash Countermeasures: Phase II, FHWA-HRT-21-009, January 2021, (PDF), 2.26 MB
TechBrief: Optimal Procedures for Quality Assurance Specifications, FHWA-HRT-04-034, October 2003.
TechBrief: Pavement Treatment Effectiveness, 1995 SPS-3 and SPS-4 Site Evaluations, National Report, FHWA-RD-97-029
TechBrief: PBCAT Pedestrian & Bicycle Crash Analysis Tool, Version 2.0, FHWA-HRT-06-090, June 2006
TechBrief: Pedestrian and Bicyclist Intersection Safety Indices, FHWA-HRT-06-129, February 2006, Ped ISI Calculator, Bike ISI Calculator
Tech Brief: Performance Comparison of Pavement Rehabilitation Strategies, FHWA-HRT-11-050
Tech Brief: Performance Evaluation of One-Coat Systems for New Steel Bridges, FHWA-HRT-11-047
TechBrief: Performance Trends of Rehabilitated AC Pavements, FHWA-RD-00-165
TechBrief: Perspectives on Fuel Consumption and Air Contaminant Emission Rates by Highway Vehicles FHWA-RD-01-100 (PDF file - 103KB)
TechBrief: Phosphoric Acid as an Asphalt Modifier Guidelines for Use: Acid Type, FHWA-HRT-08-061
TechBrief: Portland Cement Concrete (PCC) Partial-Depth Spall Repair, FHWA-RD-99-177
TechBrief: Pothole Repair, FHWA-RD-99-202
TechBrief: Protocol for Selecting ASR-Affected Structures for Lithium Treatment, FHWA-HRT-06-071, February 2006.
TechBrief: Protocol to Identify Incompatible Combinations of Concrete Materials, FHWA-HRT-06-082, July 2006
TechBrief: Quantification of Smoothness Index Differences Related to LTPP Equipment Type, FHWA-HRT-06-064, July 2006
TechBrief: Quickly Analyzing Thermoplastic Road-Marking Material for Titanium Dioxide, FHWA-HRT-20-031, March 2020
TechBrief: Resealing Concrete Pavement Joints, FHWA-RD-99-137
TechBrief: Restricted Crossing U-Turn Intersection, FHWA-HRT-09-059
TechBrief: Roughness Trends of Flexible Pavements, FHWA-RD-98-132
TechBrief: Rural Public Transportation Technologies: User Needs and Applications, FHWA-RD-98-146
TechBrief: Reducing Roughness in Rehabilitated Asphalt Concrete Pavements, FHWA-RD-98-149
TechBrief: Results of Long-Term Pavement Performance SPS-3 Analysis: Preventive Maintenance of Flexible Pavements, FHWA-HRT-11-049
TechBrief: Rural ITS, FHWA-RD-99-102
TechBrief: Safety Assessment of Interchange Spacing on Urban Freeways, FHWA-HRT-07-031
TechBrief: Safety Effectiveness of the HAWK Pedestrian Crossing Treatment, FHWA-HRT-10-045
Techbrief: Safety Evaluation of Flashing Yellow Arrows at Signalized Intersections, FHWA-HRT-19-035, June 2020
TechBrief: Safety Evaluation of Improved Curve Delineation, FHWA-HRT-09-046, August 2009
TechBrief: Safety Evaluation of Lane and Shoulder Width Combinations on Rural, Two-Lane, Undivided Roads, FHWA-HRT-09-032
TechBrief: Safety Evaluation of Offset Improvements for Left-Turn Lanes, FHWA-HRT-09-036
TechBrief: Sealing and Filling Cracks in Asphalt Pavements, FHWA-RD-99-176
TechBrief: Safety Evaluation of Advance Street Name Signs, FHWA-HRT-09-030
TechBrief: Safety Evaluation of Center Two-Way Left-Turn Lanes on Two-Lane Roads, FHWA-HRT-08-046, March 2008
TechBrief: Safety Evaluation of Flashing Beacons at Stop-Controlled Intersections, FHWA-HRT-08-048, April 2008
TechBrief: Safety Evaluation of Increasing Retroreflectivity of STOP Signs, FHWA-HRT-08-047, March 2008
TechBrief: Safety Evaluation of STOP AHEAD Pavement Markings, FHWA-HRT-08-045, March 2008
Techbrief: Safety Evaluation of Pedestrian Countdown Signals, FHWA-HRT-19-046, December 2019
TechBrief: The Safety Impacts of Differential Speed Limits on Rural Interstate Highways, September 2004, FHWA-HRT-04-156.
TechBrief: Selecting Candidate Structures for Lithium Treatment: What To Provide the Petrographer Along With Concrete Specimens, FHWA-HRT-06-069
TechBrief: Simulator Evaluation of Low-Cost Safety Improvements on Rural Two-Lane Undivided Roads: Nighttime Delineation for Curves and Traffic Calming for Small Towns, FHWA-HRT-09-062
Techbrief: Simulator Assessment of Alternative Lane Grouping At Signalized Intersections, FHWA-HRT-19-034
TechBrief: Statistical Analysis of Performance of Recycled Hot Mix Asphalt Overlays in Flexible Pavement Rehabilitation, FHWA-HRT-11-051
TechBrief: Strengthening Historic Covered Bridges to Carry Modern Traffic, FHWA-HRT-07-041
TechBrief: Simultaneous Structural and Environmental Loading of a UHPC Component, FHWA-HRT-10-055
TechBrief: Structural Behavior of a Prototype UHPC Pi-Girder, FHWA-HRT-09-068
TechBrief: Structural Behavior of a 2nd Generation UHPC Pi-Girder, FHWA-HRT-09-069
TechBrief: Surrogate Safety Assessment Model (SSAM), FHWA-HRT-10-020, December 2009
TechBrief: Surrogate Safety Assessment Model (SSAM), FHWA-HRT-08-049, May 2008
TechBrief: Synthesis of the Median U-Turn Intersection Treatment, Safety, and Operational Benefits, FHWA-HRT-07-033
Report: Telling The R&T Story: The Value of Research, FHWA-HRT-11-053
Report: The FHWA 2015 R&T Story - Research and Innovative Solutions for the Nation’s Highway Challenges, FHWA-HRT-14-091, September 2014
TechBrief: To Alert Or Assist: Comparing Effects of Different Lateral Support Systems on Lane-Keeping, FHWA-HRT-20-068, PDF
TechBrief: Traffic Calming on Main Roads Through Rural Communities Publication, FHWA-HRT-08-067
TechBrief: Traffic Performance of Three Typical Designs of New Jersey Jughandle Intersections, FHWA-HRT-07-032
TechBrief: The Concrete Pavement Road Map, September 2005, FHWA-HRT-05-074
Techbrief - The Effects of Vehicle Automation on Driver Engagement: The Case of Adaptive Cruise Control and Mind Wandering - Techbrief - FHWA-HRT-21-017, January 2021 (PDF - 340 KB)
TechBrief: LTPP Data Analysis, Validation of Guidelines for k-Value Selection and Concrete Pavement Performance Prediction, FHWA-RD-97-035
TechBrief: Understanding Traffic Variations by Vehicle Classifications, FHWA-RD-98-117
TechBrief: Variability of Pavement Distress Data from Manual Surveys, FHWA-RD-00-160
TechBrief: University Course on Bicycle and Pedestrian Transportation, February 2006, FHWA-HRT-06-065
TechBrief: What Makes Portland Cement Concrete (PCC) Pavements Rough?, FHWA-RD-98-148
TechBrief: Why Does LTPP Require Site-Specific Traffic Loading Data?, FHWA-RD-98-103
TechBrief: WIM Scale Calibration: A Vital Activity for LTPP Sites, FHWA-RD-98-104
TechBrief: Wind-Induced Vibration of Stay Cables, FHWA-HRT-05-084, July 2007
Technical Note: Design and Construction of Field-Cast UHPC Connections, FHWA-HRT-19-011, February 2019
Technical Note: Personnel Protection During Bridge Paint Removal
TechNote: An Introduction to Spectroscopy for Pavement Engineers, FHWA-HRT-20-033, May 2020
TechNote: Synthesis—The Reduction and Analysis of Pavement Profiler Data to Quantify the Bump at the End of the Bridge FHWA-HRT-20-021, March 2020
Technical Publications Catalog, October 2008 - September 2009, FHWA-HRT-10-018
Technical Publications Catalog, October 2007 - September 2008, FHWA-HRT-09-019
Technical Publications Catalog, October 2006 - September 2007, FHWA-HRT-08-023
Technical Publications Catalog, October 2005 - September 2006, FHWA-HRT-07-025
Technical Publications Catalog, October 2003-September 2005, FHWA-HRT-05-157
Technical Publications Catalog, October 1998-September 2003, FHWA-HRT-04-035
Technical Summary: Federal Highway Administration Focus Area data Definitions - Summary Report - FHWA-HRT-14-062, December 2014
Executive Summary: Technological Innovations in Transportation for People with Disabilities: Workshop Executive Summary, FHWA-HRT-11-042
Technology Advancement, FHWA-RD-96-059
Technology in Rural Transportation - "Simple Solutions", FHWA-RD-97-108
Technology Readiness Level Guidebook, FHWA-HRT-17-047 - EAR Report, September 2017
Telecommunications in Transportation: Key Issues and Best Practices (9/96)
Temperature Predictions and Adjustment Factors for Asphalt Pavement FHWA-RD-98-085, May 2000 Abstract
Full Report: Part A (PDF - 833 KB) and Part B (PDF - 884 KB)
Tension Testing of Ultra-High Performance Concrete FHWA-HRT-17-053, February 2019 (PDF 7.5 MB)
Testing the Chloride Penetration Resistance of Concrete: A Literature Review
Testing and Evaluation of a Portable Work Zone Sign Support: FOIL Test Number 98F008 and 98F009, FHWA-RD-98-183, PB99-130288
Testing of New Bridge Rail and Transition Designs, Vol. I: Technical Report, FHWA-RD-93-058
Testing of New Bridge Rail and Transition Designs, Vol. II: Appendix A, FHWA-RD-93-059
Testing of New Bridge Rail and Transition Designs, Vol. III: Appendix B, FHWA-RD-93-060
Testing of New Bridge Rail and Transition Designs, Vol. IV, FHWA-RD-93-061
Testing of New Bridge Rail and Transition Designs, Vol. IX: Appendix H, FHWA-RD-93-066
Testing of New Bridge Rail and Transition Designs, Vol. V; Appendix D, FHWA-RD-93-062
Testing of New Bridge Rail and Transition Designs, Vol. VI: Appendix E, FHWA-RD-93-063,
Testing of New Bridge Rail and Transition Designs, Vol. VII: Appendix F, FHWA-RD-93-064
Testing of New Bridge Rail and Transition Designs, Vol. VIII: Appendix G, FHWA-RD-93-065
Testing of New Bridge Rail and Transition Designs, Vol. X: Appendix I, FHWA-RD-93-067
Testing of New Bridge Rail and Transition Designs, Vol. XI: Appendix J, FHWA-RD-93-068
Testing of New Bridge Rail and Transition Designs, Vol. XII: Appendix K, FHWA-RD-93-069
Testing of New Bridge Rail and Transition Designs, Vol. XIII: Appendix L, FHWA-RD-93-156
Testing of New Bridge Rail and Transition Designs, Vol. XIV: Appendix M, FHWA-RD-93-157
Test Track and Driving Simulator Evaluations of Warnings to Prevent Right-Angle Crashes at Signalized Intersection, FHWA-HRT-08-070
The Bicycle Compatibility Index: A Level of Service Concept, Final Report, FHWA-RD-98-072
TechBrief: The Bicycle Compatibility Index: A Level of Service Concept, FHWA-RD-99-127
The Bicycle Compatibility Index: A Level of Service Concept, Implementation Manual, FHWA-RD-98-095
The Costs of Highway Crashes, FHWA-RD-91-055, PB92-163625
The Development of Crash Modification Factors: Highway Safety Statistical Paper Synthesis, FHWA-HRT-20-069, November 2020 (PDF File, 2.87 MB)
The Effects of In-Vehicle and Infrastructure-Based Collision Warnings at Signalized Intersections, FHWA-HRT-09-049
The Future of Transportation Starts Here: Intelligent Transportation Systems, FHWA-JPO-98-024
The Highway Safety Information System (HSIS) Guidebooks for state data files are now available for: California, Maine, Minnesota, and Utah, FHWA-RD-00-137
The Road to Successful ITS Software Acquisition: Executive Summary, FHWA-JPO-98-037
The Road to Successful ITS Software Acquisition: Volume I - Overview and Themes, FHWA-JPO-98-035
The Road to Successful ITS Software Acquisition: Volume II - Software Acquisition Process Reference Guide, FHWA-JPO-98-036
The Role of Artificial Intelligence and Machine Learning in Federally Supported Surface Transportation 2022 Updates - Brochure - FHWA-HRT-22-026, January 2022 (PDF 9.17 MB)
The Value of Research, Telling the R&T Story, FHWA-HRT-09-050
The Visibility and Comprehension of Pedestrian Traffic Signals, FHWA-RD-97-096
Three-Dimensional Computational Analysis of Construction Design Alternatives for a Flow Accelerator, FHWA-HRT-21-034, Fact Sheet, January 2021 (PDF - 716 KB)
Tomorrow's Transportation Market - Developing An Innovative, Seamless Transportation System, FHWA-HRT-13-058 - EAR Fact Sheet - April 2013
Tools for Improving The Sustainability and Durability of Concrete - Modeling Hydration and Performance, FHWA-HRT-15-084 - EAR Fact Sheet - November 2015
Tracking the Deployment on the Integrated Metropolitan Intelligent Transportation Systems Infrastructure in the USA: FY 1997 Results, FHWA-JPO-001
Tracking State Information Systems of Commercial Vehicle Information Systems and Networks (National Report), FHWA-JPO-99-031
Trade-Off Between Delineation and Lighting on Freeway Interchanges: Investigation of Transient Visual Adaptation, Available from the R&T Product Distribution Center, FHWA-RD-91-041
Traffic Analysis Toolbox, Volume I: Traffic Analysis Tools Primer, FHWA-HRT-04-038, July 2004
Traffic Analysis Toolbox, Volume II: Decision Support Methodology for Selecting Traffic Analysis Tools, FHWA-HRT-04-039, June 2004
Traffic Analysis Toolbox, Volume III: Guidelines for Applying Traffic Microsimulation Modeling Software, FHWA-HRT-04-040, June 2004
Traffic Bottlenecks - Identification and Diagnosis, Countermeasure Prioritization, and Innovative Solutions to Local/Systemic Problems, Flyer - FHWA-HRT-13-082, July 2013
Traffic Bottlenecks: Identification and Solutions - Report - FHWA-HRT-16-064, November 2016
Traffic Bottlenecks: Identification and Solutions - Techbrief - FHWA-HRT-17-019, January 2017
Traffic Calming CD, FHWA-RD-02-041
Traffic Calming State of the Practice, August 1999,
Traffic Conflict Techniques for Safety and Operations, Engineers Guide, FHWA-IP-88-026, PB89-116164/AS (A06)
Traffic Conflict Techniques for Safety and Operations: Observation Manual, FHWA-IP-88-027
Traffic Control Design Elements for Accommodating Drivers with Diminished Capacity, Volume II; Final Technical Report, FHWA-RD-90-055
Traffic Control Device Conspicuity - Techbrief - FHWA-HRT-13-043, September 2013
Traffic Control Device Conspicuity - Report - FHWA-HRT-13-044, August 2013
Traffic Control Devices Pooled Fund Study: Signing For Intersection Geometrics That Require U-Turns, TechBrief, FHWA-HRT-22-032, January 2022, (PDF), 636 KB
Traffic Detector Handbook, FHWA-IP-90-002
Traffic Detector Handbook: Third Edition-Volume I, FHWA-HRT-06-108, October 2006
Traffic Detector Handbook:Third Edition-Volume II, FHWA-HRT-06-139, October 2006
Traffic Flow Theory: A State of the Art Report - Revised Monograph on Traffic Flow Theory
Traffic Incident Management Benefit-Cost Estimation Tool - Fact Sheet - FHWA-HRT-16-016, November 2015
Traffic Management Center (TMC) Pooled-Fund Study (PFS) Fact Sheet, Fact Sheet, FHWA-HRT-21-061, May 2021 (PDF File, 164 KB)
Traffic Maneuver Problems of Older Drivers, FHWA RD-92-092
Traffic Operations Control for Older Drivers, FHWA-RD-94-119
Traffic Operations Control for Older Drivers and Pedestrians, FHWA-RD-95-169
Traffic Research Laboratory (TReL) Fact Sheet, FHWA-HRT-04-088
Traffic Safety Information Systems International Scan: Strategy Implementation White Paper, FHWA-HRT-06-099, September 2006
Traffic Signal Brightness: An Estimation of Nighttime Dimming, FHWA-RD-85-005, PB86-111473/AS (A06)
Traffic Software Information Guide, FHWA-RD-89-109
Traffic Software Integrated System Information
Traffic Software Users Group, FHWA-RD-89-204
Traffic Software User Group: Informer (Jan 90 Newsletter), RS-90-032
TRAF-NETSIM Users Manual, FHWA-RD-89-150
Trajectory Investigation for Enhanced Calibration of Microsimulation Models, Report FHWA-HRT-21-071, August 2021 (PDF File 1.96 MB)
Transportation Asset Management System for Roadway Safety: Idaho's Guardrail Management System Saves Lives, Time, and Money, FHWA-HRT-05-055
Transportation Planning and ITS: Putting the Pieces Together
Transportation Pooled Fund Program, Fact Sheet, FHWA-HRT-21-031, January 2021, PDF
Transportation Pooled Fund Study Descriptions
Transportation Pooled Fund Program: Leveraging Resources to Address Transportation Needs,
FHWA-HRT-04-105
Transportation System Simulation Manual (TSSM) - FHWA-HRT-18-013 - Fact Sheet, December 2017
Transport Properties and Durability of Concrete: Literature Review and Research Plan - Abstract, FHWA-RD-00-073, August 2002
Traveler Information Requirements During Nonrecurring Events - FHWA-HRT-19-033 - Report, June 2019
Travel Time Displays at Freeway Entrance Approaches - FHWA-HRT-16-059 - Report, November 2017
TravTek Evaluation Modeling Study, FHWA-RD-95-090
TravTek Evaluation: Orlando Test Network Study, FHWA-RD-95-162
TravTek Evaluation Rental and Local User Guide, FHWA-RD-96-028
TravTek Evaluation Safety Study, FHWA-RD-95-188
TravTek Evaluation Task C3 Camera Car Study, FHWA-RD-94-076
TravTek Evaluation Yoked Driver Study, FHWA-RD-94-139
TravTek Global Evaluation and Executive Summary, FHWA-RD-96-031
TravTek System Architecture Evaluation, FHWA-RD-95-141
TRB Speed Management Workshop, Restoring Credibility to Speed Setting: Engineering, Enforcement, and Educational Issues, Marriott Wardman Park Hotel, Cotillion North, Washington, DC, January 9, 2000
Trends in Highway Information, FHWA-RD-88-055, PB89-133359/AS (A04)
Trends of Transportation Simulation and Modeling Based on A Selection of Exploratory Advanced Research Projects - Workshop Summary Report, August 2011 - Advanced Research Program Report, FHWA-HRT-12-040
Truck Accident Countermeasures on Urban Freeways, FHWA-RD-92-059
Truck Characteristics for Highway Design and Operation, Vol. I: Research Report, FHWA-RD-89-226
Truck Characteristics for Highway Design and Operation, Vol. II: Appendices, FHWA-RD-89-227
Truck-Highway Safety, FHWA-RD-89-082
Truck-Pavement Interaction, FHWA-RD-93-049
Turner-Fairbank Highway Research Center Brochure, FHWA-HRT-08-066
Turner-Fairbank Highway Research Center - Brochure - Publications Process, FHWA-HRT-19-022
Turner-Fairbank Highway Research Center R&D Communication Reference Guide, FHWA-HRT-15-058 - Report - February 2017
Tuning the Federal Highway Administration's Driving Simulator Motion Base, FHWA-HRT-16-067 - Report - March 2018
Two-Dimensional Finite Element Hydraulic Modeling of Bridge Crossing: Research Report, FHWA-RD-88-146
Two Low-Cost Safety Concepts for Two-Way Stop-Controlled, Rural Intersections on High-Speed Two-Lane, Two-Way Roadways, FHWA-HRT-08-063
Twopas Model Improvements, Publication Number: N/A

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U


Ultra-High Performance Concrete: A State-Of-The-Art Report for The Bridge Community - Report - FHWA-HRT-13-060, June 2013
Ultra-High Performance Concrete for Bridge Deck Overlays, Technical Note - FHWA-HRT-17-097, February 2018
Ultra-High Performance Concrete Composite Connections for Precast Concrete Bridge Decks - Techbrief - FHWA-HRT-12-042, May 2012
Understanding Long-Distance Traveler Behavior - Supporting A Long-Distance Passenger Travel Demand Model - EAR Fact Sheet - FHWA-HRT-13-095, September 2013
Understanding Material Durability - Workshop Examines Aging of Composite Materials - EAR Fact Sheet - FHWA-HRT-14-068, June 2014
Understanding The Causative, Precipitating, and Predisposing Factors in Rural Two-Lane Crashes - Report - FHWA-HRT-17-079, July 2018
Understanding the Performance of Modified Asphalt Binders in Mixtures: Evaluation of Moisture Sensitivity FHWA-RD-02-029
Understanding the Performance of Modified Asphalt Binders in Mixtures: Low-Temperature Properties FHWA-RD-02-074
Understanding the Peformance of Modified Asphalt Binders in Mixtures: High-Temperature Characterization, FHWA-RD-02-075
Understanding Transportation Systems-An Integrated Approach to Modeling Complex Transportation Systems - EAR Fact Sheet - October 2013, FHWA-RD-02-075
Uniform Traffic Control and Warning Messages for Portable Changeable Message Signs, FHWA-RD-95-171
Uniform Traffic Control and Warning Messages for Portable Changeable Message Signs, FHWA-RD-95-173
United States–Japan Bridge Engineering Workshop: Innovative Bridge Design and Preservation, FHWA-HRT-21-067, Report, July 2021 (PDF - 600 KB)
The Universal Simple Aging Test - Techbrief - May 2016, FHWA-HRT-15-054
University Course on Bicycle and Pedestrian Transportation Tech Brief, February 2006, FHWA-HRT-06-065.
University Course on Bicycle and Pedestrian Transportation, FHWA-HRT-05-085, July 2006, FHWA-HRT-05-085, July 2006. (pdf version - 8.16 MB )
Unmanned Aerial Vehicle Applications for Highway Transportation, Reference Scan - FHWA-HRT-14-037, November 2013
Ultra-Violet Headlamp Technology for Nighttime Enhancement of Fluorescent Roadway Delineation and Pedestrian Visibility, FHWA-RD-97-033
Updated Minimum Retroreflectivity Levels For Traffic Signs, FHWA-RD-03-081, July 2003.
Updates to Research on Recommended Minimum Levels for Pavement Marking Retroreflectivity to Meet Driver Night Visibility Needs, FHWA-HRT-07-059, October 2007
Updating HEC-18 Pier Scour Equations for Noncohesive Soils - Report - FHWA-HRT-16-045, October 2016
Upgrade Plan for FHWA Roadway Safety Simulation Models, FHWA-RD-93-189
Use of LTPP SMP Data to Quantify Moisture Impacts on Fatigue Cracking in Flexible Pavements, FHWA-HRT-20-006, February 2020
Using Data Analytics for Cost-Effective Prediction of Road Conditions: Case of The Pavement Condition Index - FHWA-HRT-18-065 - Report, November 2018
Using Multi-Objective Optimization to Enhance Calibration of Performance Models in the Mechanistic-Empirical Pavement Design Guide - FHWA-HRT-17-104 - Report, June 2018
User-Friendly Traffic Incident Management (TIM) Program Benefit-Cost Estimation Tool, FHWA-HRT-16-055 - Report, January 2016
The Use of Data in Planning for Operations: State-Of-The-Practice Review - Report - FHWA-HRT-15-071, January 2016
The Use of Lithium to Prevent or Mitigate Alkali-Silica Reaction in Concrete Pavements and Structures, FHWA-HRT-06-133, March 2007
The Use of Phosphoric Acid to Stiffen Hot Mix Asphalt Binders - Report - FHWA-HRT-14-086, November 2014
Use of Vehicle Noise for Roadways, Bridge, and Infrastructure Health Monitoring Workshop Summary Report August 20-21, 2013, FHWA-HRT-14-059, August 2014
Users Manual for LS-DYNA Concrete Material Model 159, FHWA-HRT-05-062, May 2007
User's Manual for The Traffic Incident Management Benefit-Cost (TIM-BC) Tool (Version: 2.0) - Report - FHWA-HRT-16-020, September 2015
User's Manual for VESYS G with Inverse Solution, FHWA-RD-86-081, PB86-203965/AS (A04)
Using Falling Weight Deflectometer Data with Mechanistic-Empirical Design and Analysis, Volume I: Final Report - Report - FHWA-HRT-16-009 - March 2017
Using Falling Weight Deflectometer Data With Mechanistic-Empirical Design and Analysis, Volume II: Case Study Reports - Report - FHWA-HRT-16-010 - March 2017
Using Falling Weight Deflectometer Data With Mechanistic-Empirical Design and Analysis, Volume III: Guidelines for Deflection Testing, Analysis, and Interpretation - Report - FHWA-HRT-16-011 - December 2017
Using GIS in the Analysis of Truck Crashes (Summary Report) FHWA-RD-99-119, June 1999 (PDF file - 92KB)
Using Reclaimed Asphalt Pavement in Pavement-Preservation Treatments (Report) FHWA-HRT-21-007, December 2020 (PDF file - 20.3 MB)
Utilizing Mobile Ad Hoc Networks to Enhance Road Safety - EAR Fact Sheet - FHWA-HRT-20-046 - August 2020
Utilizing Various Data Sources for Surface Transportation Human Factors Research Workshop Summary Report - Report - FHWA-HRT-14-077 - November 2013

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V


Validation of Accident Models for Intersections, FHWA-RD-03-037, May 2005.
Validation of Asphalt Binder and Mixture Tests that Measure Rutting, FHWA-RD-99-204
Validation of Pavement Performance Measures Using Long-Term Pavement Performance Data - Techbrief - FHWA-HRT-17-105 - May 2018
Validation of Pavement Performance Measures Using LTPP Data: Final Report - Report - FHWA-HRT-17-089 - May 2018
Validation of a Surrogate Vehicle for Certification Testing of Coupling Mounted Luminaire Supports, FHWA-RD-88-206
Variable Speed Limit System, FHWA-RD-89-001
Variable Speed Limit System Cost Benefit, FHWA-RD-89-004
Vegetation Control for Safety, FHWA-RT-90-003
Vehicle Positioning, Navigation, and Timing: Leveraging Results From EAR Program-Sponsored Research, FHWA-HRT-13-052 - EAR Report, May 2013
Vehicle Impact Simulation Technology Advancement (VISTA) Planning Document, FHWA-RD-92-111
Vehicle-to-Everything Hub: Final Report, FHWA-HRT-21-035, Final Report, March 2021 (PDF - 708 KB)
Vehicle-To-Everything (V2X) Hub: Open-Source Connected Vehicle (CV) Software, Fact Sheet, FHWA-HRT-22-047, December 2021 (PDF File, 568 KB)
Verification of LTPP Virtual Weather Stations Phase I Report: Accuracy and Reliability of Virtual Weather Stations, FHWA-RD-03-092, May 2006 (PDF - 776 KB)
Visual Requirements for Human Drivers and Autonomous Vehicles - EAR Literary Review - FHWA-HRT-16-038, March 2016
Verification, Refinement, and Applicability of Long-Term Pavement Performance Vehicle Classification Rules - Report - FHWA-HRT-13-091, November 2014
Verification, Validation, and Evaluation of Expert Systems: A FHWA Handbook
Virginia Department of Transportation Public-Private Procurement Issues: Accomplishments & Interim Report
Virtual Nondestructive Evaluation Laboratory for Highway Structures - Fact Sheet - FHWA-HRT-18-033, September 2018
Virtual Open Innovation Collaborative Environment for Safety (VOICES) Public Engagement Webinar 2, Presentation, March 2022 (PDF File, 3.84 MB)
Visibility and Comprehension of Pedestrian Traffic Signals, FHWA-RD-96-187

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W


W-Beam Guardrail Repair and Maintenance, FHWA-RT-90-001
WesTrack Track Roughness, Fuel Consumption, and Maintenance Costs, FHWA-RD-00-052, January 2000
Wearable Sensors in Transportation—Exploratory Advanced Research Program Initial Stage Investigation - Report - FHWA-HRT-16-034, March 2016
Wildlife Crossing: Web-Connected Cameras Offer Improved Monitoring for Highways - Fact Sheet - FHWA-HRT-16-033, January 2016
Wind Tunnel Investigations of An Inclined Stay Cable With A Helical Fillet, FHWA-HRT-14-070, September 2014
Wind-Tunnel Investigations of the Aerodynamics of Bridge Stay Cable Cross-Sectional Shapes, FHWA-HRT-21-074, Report, August 2021 (PDF - 11.7 MB)
Where Pedestrians Cross The Roadway - Techbrief - FHWA-HRT-13-099, December 2013
White Paper On Mobile Ad Hoc Networks (FHWA) - Report - FHWA-HRT-18-027, January 2018
Why Your Agency Should Consider Asset Management Systems for Roadway Safety, FHWA-HRT-05-077, November 2005 (PDF - 1.62 MB)
Wind-Induced Vibration of Stay Cables, FHWA-HRT-05-083, August 2007
Work Zone Driver Model - Version 1.1 (FHWA) - Fact Sheet - FHWA-HRT-18-015, December 2017
Work Zone Traffic Control, FHWA-RD-88-216, PB-299 901/9
Work Zone Traffic Control Delineation for Channelization, FHWA-RD-90-089, PB91-124107
Work Zone Traffic Management Synthesis: Barrier Delineation Treatment in Work Zones, FHWA-TS-89-033
Work Zone Traffic Management Synthesis: Selection and Application of Flashing Arrow Panels, FHWA-TS-89-034
Work Zone Traffic Management Synthesis: Tie Down Methods for Precast Concrete Safety Shaped Barriers, FHWA-TS-89-036
Work Zone Traffic Management Synthesis: Use of Rumble Strips in Work Zones, FHWA-TS-89-037
Work Zone Traffic Management Synthesis: Works on Pedestrian Protection, FHWA-TS-89-035
Working With Your FWD Calibration Center Videotape, FHWA-RD-99-163
Wrong Way Driving (WWD) Low-Cost Safety Improvements Workshop, Presentation, March 2022 (PDF), 1.36 MB
Wrong Way Traffic Control at Intersections, FHWA-RD-86-116, PB86-188638/AS (A05)
Writing for Public Roads: How-To Guide, Brochure - FHWA-HRT-20-026, February 2020

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X Y & Z


Young Drivers and Highway Design and Operations: Findings and Recommended Research, FHWA-RD-01-120, August 2001
Publications and products with a publication number next to their names, must be ordered through the National Technical Information Service:
National Technical Information Service
5285 Port Royal Road
Springfield, VA 22161
Telephone: 703-605-6000
Toll-free number: 800-553-NTIS (6847)
www.ntis.gov

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