U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
AADT Reporting on Mainlines and Ramps, 6-6, 6-7 | Count Station, 1-2, 1-28, 7-70, 7-71, A-1, B-1, E-25, F-3 |
AADT_Combination, 6-4, 6-6, 6-19, 6-20, 6-23, 6-24 | Coverage Count, A-1 |
AADT_Single_Unit, 6-3, 6-6, 6-19, 6-20, 6-23, 6-24 | Daily Load Distribution Table, 3-42 |
AASHTO Guidelines for Traffic Data Programs, 1-15, 3-19, 3-81, 5-3, D-1, M-1 | Data Business Plan, 2-9, D-29 |
Active Infrared Sensor, 4-15 | Data Processing, 4-27, D-29, F-27 |
Adjustments to Short Duration Volume Counts, 3-67 | Data Submittal Frequency, 7-2, 7-70 |
ADR Advanced Loop Logic, E-7 | Detection Technology, 1-1, 1-15 |
Alternative Factor Procedures, 3-24 | Detection Theory, 1-1, 1-9 |
Annual Average Daily Traffic (AADT), A-1, D-16, D-18, D-23 | D-Factor, 1-5, 2-5, 6-1, E-23 Direction of Travel Codes, 7-6, 7-74, 7-82 |
Annual Average Daily Truck Traffic (AADTT), A-1, G-5 | Directional Variation, 1-29 |
Annual Vehicle Distance Traveled (AVDT), A-1 | Duration of Short Counts, 3-73 |
ASTM Loop Detector Handbook, 2-3, M-1 | Equipment Calibration, 5-3, 6-23, F-1, F-5 |
ATR Site, A-1 | Equipment Maintenance, 5-3 |
Automated Traffic Recorder (ATR), 1-2 | Estimates of Travel by Vehicle Type, 6-7, 6-20 |
Axle Correction Factor, 1-3 | Extent, A-1 |
Axle Factor, 1-3, A-1 | Federal-Aid Highways, A-1 |
Axle Spacing, 1-8, 7-49, E-7, F-26, G-11, G-12, H-12, H-13 | FHWA 13 Vehicle Category Classification, 3-24, C-2 FHWA Vehicle Classes, 1-9, 3-24, 7-45 |
Axle Weight, 1-21, 7-43, 7-44, 7-46, 7-58, 7-59, 7-60, 7-61, A-1, B-2, F-5, F-10, H-9 | Field Testing, F-1, F-5, F-16 |
Bicycle, 1-15, 4-9, 4-34, 4-35, D-20, D-21, D-22, M-2 | File Naming Recommendations, 7-1 |
Bicycle Counts, D-20, D-21, D-22 | FIPS State Codes, 7-4, 7-5, 7-72 |
Bicyclist and Pedestrian Counting Technologies, 4-7 | Frequently Asked Questions (FAQs), ES-2, ES-4, I-1 |
Blank-Fill, A-1 | Full Extent, A-1 |
Calculations and Computations, 3-1, 3-78 | Functional Classification Codes, 7-7, 7-8 |
Classification Data Needs, 2-5 | Functional Systems, A-1 |
Classification Short Duration Counts, 3-69 | Future AADT, 6-23, 6-25 |
Cloud-Based Data Collection, F-27 | Geographic Variation, 1-30 |
Cluster Analysis, 3-10, 3-11, 3-49, G-13, G-14 | Gross Vehicle Weight, F-5 |
Clustering Methodology, ES-4, G-1, G-17 | Growth Factor, 6-23 |
Code of Federal Regulations, ES-2, B-1 | Heavy Vehicle Weight User Needs, 3-36 |
Combination Unit Truck (CU) Factor Groups, 3-28 | |
Compendium of Designing Statewide Traffic Monitoring, 3, D-1 | Highway Performance Monitoring System (HPMS), ES-1, ES-2, ES-3, 1-2, 2-3, 3-75, 6-1, D-3, D-15, E-25, I-6, L-2 |
Compendium of Equipment Calibration Procedures, ES-3, F-1 | Hourly Traffic Volume Record, 7-18, 7-19, 7-22 |
Computation of Axle Correction Factors, 1-4, 3-80 | HPMS Requirements for Traffic Data, ES-3, 6-1 |
Conditions and Performance Report to Congress, 6-1 | HPMS Traffic Data Items, 6-6 |
Continuous Count Locations, 3-6, 3-13, 4-26 | HPMS Vehicle Class Groups, 3-24 |
Continuous Count Program, 2-4, 3-5, 4-26, F-16 | Inductance Loop Detector, 4-9, 4-10, 4-11, 4-12, 4-13, 4-14 |
Continuous Counts, 1-3 | Inductive Loop Detector, 1-9 |
Continuous Data Program, 1-3, 2-8, 3-1, 3-3, 3-5, 3-36 | Information Technology Tools, D-3, D-7, D-8 |
Continuous Traffic Counter, E-16 | Infrared Counters for Non-Motorized Traffic, 4-14 |
Coordinating Count Programs and Sharing Data, 2-9 | Infrared Sensor, 4-13 |
Count Magnitude and Variability, 4-36 | Intelligent Transportation Systems (ITS), ES-1, 2-6, D-4 |
Internet Traffic Monitoring System, D-24 | Internet Traffic Data Upload System, D-27, E-18 |
K_Factor, 6-4, 6-6, 6-23, 6-24 | Pedestrian, 1-15, 4-26, 4-32, 4-34, 4-35, D-19, D-20, M-2 |
Lane Occupancy, 3-62 | Pedestrian and Bicycle Count Locations, D-20 |
Lane of Travel Codes, 7-6 | Per Vehicle Data Format, 7-2, 7-48 |
Local Agency Data Sharing, D-16 | Permanent Counts, 1-34 |
Long Term Pavement Performance, 1-15, 3-23, 3-46, 3-47, B-2, M-2 | Permanent Data Program, 4-26 |
LRS Identification, 7-3, 7-12, 7-72, 7-78 | Permanent Site Location, D-10, D-26 |
LRS Location Point, 7-4, 7-12, 7-72 | Piezo-Electric, 1-35 |
Magnetic Detector, 1-9 | Pneumatic Tube Data Collection, D-2 |
Magnetic Sensor, 1-9 | Pneumatic Tubes, 4-16 |
Magnetometer, 1-9, 1-11, 1-14, 1-33, 1-35, 1-36, 4-7, 4-16, 7-11, 7-76, 7-84 | Portable Traffic Recorder (PTR), 1-2 |
Manual Classification Data Collection, D-2, D-5 | Posted Route Signing Codes, 7-13, 7-78 |
MAP-21, ES-1, ES-2, 3-76, 5-1, 6-22, A-2, B-2 | Pressure and Seismic Sensors, 4-17 |
Mechanistic-Empirical Pavement Design Guide (MEPDG), 3-38, G-1 | Program Design, 2-1, 2-3, 2-4, 4-27 |
Metadata, 2-11, 3-73, 6-3, 6-21, A-1 | Program Evaluation, 2-5 |
Metropolitan Planning Organization (MPO), D-16 | QA/QC Systems for Traffic Data, E-1, E-15, E-18, E-21, E-25 |
Microwave Doppler, 1-9, 1-14 | Quality Assurance, i, 2-11, E-20, F-26, L-2 |
Microwave Radar Sensors, 1-9 | Quality Control, ES-3, 3-6, 3-19, 6-23, E-1, G-11, G-17, J-1 |
Monthly (Seasonal) Variation, 1-28 | Regional and Sub-Area Traffic monitoring Design, 2-5 |
Monthly Average Daily Traffic (MADT), 4-39, A-2, J-3 | Reporting Methods, F-2, F-11 |
Monthly Factor, 1-4, 3-8, 3-28, 3-29, 3-33 | Resource Sharing and Coordination, 5-3 |
Monthly Variation, 4-23 | Road Tubes, 1-33 |
Motorcycle, 1-21, 3-32, 3-33, 3-34, 3-75, 3-76, 6-6, 6-19, E-20, I-8 | Roadway Facility Specific Traffic Monitoring Design, 2-5 |
Motorcycle ADT, 3-34 | Roadway-Specific Factors, 3-25 |
Motorcycle Counting, 1-21 | Sample Panel (HPMS), A-2 |
Motorcycle Counts, 6-6, 6-19 | Season Pattern Group, 3-11 |
Motorized Sensor Comparison, 1-14 | Seasonal Factor, 1-4, G-5, G-6, G-10 |
National Highway System (NHS), 6-1, 6-2, 6-3, A-2 | Seasonality Factor, A-2 |
NCHRP and AASHTO Recommendations, F-28 | Selection of Count Locations, 4-33 |
Non-Motorized Count Data Format, 7-2, 7-80 | Sensor Technology Combinations, 1-10 |
Non-Motorized Count Equipment, 4-4, 4-5 | Setup and Calibration of Electronics Equipment, F-25 |
Non-Motorized Count Record, 7-70, 7-80, 7-87 | Short Duration Count, ES-3, 1-3, 1-33, 3-63, 3-68, 3-73, 6-22, A-2 |
Non-Motorized Count Station Description Data Format, 7-2, 7-70 | Short Duration Count Program, 1-3, 3-73 |
Non-Motorized Count Station Description Record, 7-71, 7-79, 7-81, 7-83 | Short Duration Data Program, 3-1, 3-63, 4-33 |
Non-Motorized Data, 7-70 | Short-Duration Coverage Counts, 2-4 |
Non-Motorized Traffic Monitoring, 4-1 | Short-Term ATR, E-16 |
Occlusion, 1-22, 1-33, 4-37 | Short-Term Temporary Counts, 1-31 |
Office Remote Checking, F-2, F-9, F-17 | Single Unit Trucks, 3-29, 6-23 |
Office Testing, F-2, F-9 | Site and Sensor Installation Best Practices, F-23 |
Operations-Based Traffic Monitoring Systems, 5-2 | Site Planning, F-22 |
Passenger Cars, 7-39, C-1 | Site Selection Concepts, F-21 |
Passive Acoustic Array Sensor, 1-10 | Special Monitoring, 5-7 |
Passive Infrared Sensor, 1-9, 4-14 | Special Needs, 2-4, 3-65, 3-66, 3-67, 3-72 |
Pct_Peak_Combination, 6-3, 6-4, 6-6, 6-20, 6-23, 6-24 | Speed Bins, 7-24, 7-26 |
Pct_Peak_Single, 6-3, 6-6, 6-20, 6-23, 6-24 | Speed Data Collection, 1-33 |
Peak Hour Factor, 1-5, B-2 | Speed Data Format, 7-2, 7-23 |
State Traffic Monitoring Program Examples, ES-4, L-1 | Speed, Length Classification, and Volume Data Format (T Variant), 7-53 |
Station Description Data Format, 7-2 | State Data Sharing, D-14, D-23 |
Station Description Record, 7-3, 7-15, 7-19, 7-36, 7-38, 7-70, 7-71 | Vehicle Axle, 1-8, 7-54, A-2 |
Station Identification, 7-5, 7-18, 7-19, 7-25, 7-37, 7-45, 7-50 | Vehicle Axle Classification Only Data Format (C Variant), 7-54 |
Summary Statistics, 3-6, 3-19, 4-28 | Vehicle Axle Spacing, A-2 |
Table of Potential Samples (TOPS), A-2 | Vehicle Class, 1-17, 1-20, 3-18, 3-19, 3-22, 3-23, 3-24, 3-29, 3-31, 3-39, 3-42, 3-75, 3-77, 3-80, 6-6, 6-19, 6-23, 7-2, 7-3, 7-8, 7-9, 7-10, 7-36, 7-37, 7-38, 7-39, 7-41, 7-43, 7-45, 7-48, 7-53, 7-54, 7-55, 7-58, 7-63, 7-64, A-2, B-1, E-4, E-7, E-17, G-1, G-4, G-5, G-7, G-15, H-7, H-9, K-1, M-2 |
Temporal Factors, 3-15 | Vehicle Classification, 1-17, 1-20, 3-18, 3-19, 3-31, 3-77, 6-6, 6-19, 6-23, 7-2, 7-3, 7-8, 7-9, 7-10, 7-36, 7-37, 7-38, 7-39, 7-41, 7-53, 7-54, 7-55, 7-58, 7-63, 7-64, B-1, E-7, E-17, K-1, M-2 |
Terminology, 1-1 | Vehicle Classification and Axle Weights (W Variant), 7-58 |
Time-of-Day Variation, 4-20 | Vehicle Classification and Wheel Weights (Z Variant), 7-63 |
Traditional Factor Approach, 3-26 | Vehicle Classification Counts, 6-6, 6-19, E-17 |
Traffic Counter, 1-1 | Vehicle Classification Data Format, 7-2, 7-36 |
Traffic Data Collection and Motorcycles, 3-75 | Vehicle Classification Groupings, 7-3, 7-9, 7-10, 7-38 |
Traffic Data for Pavement Design, ES-4, H-1 | Vehicle Classification Record, 7-9, 7-36, 7-41 |
Traffic Data Uses, 2-2 | Vehicle Counts, 1-8, A-2 |
Traffic Detector Handbook, 1-9, 1-13, 4-11, 4-15, M-1 | Vehicle Length, 1-8, 7-49, 7-53, 7-54, 7-55, 7-58, 7-64, A-2, E-7, I-4 |
Traffic Management and Operations, 5-1 | Vehicle Miles Traveled (VMT), ES-3, A-2 |
Traffic Metadata, 6-7, 6-21 | Vehicle Speed, 7-23, 7-25, 7-53, 7-55, 7-58, 7-64, A-2 |
Traffic Monitoring and Evacuations, 5-9 | Vehicle Speed Record, 7-23 |
Traffic Monitoring Formats, ES-3, 7-1 | Vehicle Types, ES-3, 7-9, C-1 |
Traffic Monitoring Program Processes, D-1, D-7 | Vehicle Volume, 1-4, 1-16, 1-25, 1-26, 1-27, 1-28, 3-80, E-8, M-1, M-2 |
Traffic Monitoring System (TMS), 3-16, 7-9, D-29 | Video Detection System, 1-10, 1-14, 1-33, 1-36 |
Traffic Patterns, 1-27, 3-6, 3-7, 3-18, 3-19, 3-21, 4-27, 4-28, 4-29, 4-30, 4-31, 4-32 | Video Image Processing, 4-18, 4-19 |
Traffic Variability, 1-24, 1-30, 4-25 | Volume Data, 7-70 |
Traffic Volume Data Format, 7-2, 7-18 | Volume Group Assignments, 6-7, 6-21 |
Traffic Volume Only Format (V Variant), 7-50 | Weigh-In-Motion (WIM), 1-2, E-26, F-3, F-4 |
Travel Estimates for Local Roads, 6-6, 6-17 | Weight Data Collection Locations, 3-43, 3-52 |
Travel Monitoring Analysis System (TMAS), ES-2, 6-23, 6-25, 7-1, 7-48, A-2, I-6, M-2 | Weight Data Collection Program, 3-36, 3-62 |
Truck AADT, 6-6, 6-20 | Weight Data Format, 7-2, 7-43 |
Truck Loading Estimates, 3-38 | Weight Record, 7-43, 7-47, 7-48 |
Truck Loading Groups, 3-49 | WIM Site, 3-57, 3-58, 3-61, 3-62 |
Truck Weight Data Summaries, 3-37 | Zero-Fill, A-2 |
Truck Weight Groups, 3-50, 3-51 | |
Ultrasonic Sensor, 1-10 | |
Units of Measurement, 7-49 | |
Urban Classification Count Programs, 3-72 | |
User Profile and Access Control System (UPACS), 7-70, A-2 | |
Variation of Traffic Data, 1-1, 1-24 | |
Vehicle, ES-1, ES-3, 1-4, 1-6, 1-8, 1-9, 1-16, 1-17, 1-18, 1-20, 1-21, 1-25, 1-26, 1-27, 1-28, 1-33, 1-35, 2-2, 2-5, 3-18, 3-19, 3-22, 3-23, 3-24, 3-29, 3-31, 3-35, 3-39, 3-42, 3-43, 3-47, 3-74, 3-75, 3-77, 3-80, 5-9, 6-6, 6-19, 6-20, 6-21, 6-23, 7-2, 7-3, 7-8, 7-9, 7-10, 7-23, 7-25, 7-36, 7-37, 7-38, 7-39, 7-41, 7-43, 7-45, 7-48, 7-49, 7-50, 7-52, 7-53, 7-54, 7-55, 7-57, 7-58, 7-62, 7-63, 7-64, 7-68, 7-70, A-1, A-2, B-1, B-3, C-1, E-4, E-7, E-8, E-9, E-17, F-1, G-1, G-4, G-5, G-7, G-15, H-1, H-7, H-9, I-4, K-1, M-1, M-2 |