U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590

Skip to content
Facebook iconYouTube iconTwitter iconFlickr iconLinkedInInstagram

Policy and Governmental Affairs

FHWA Home / Policy & Governmental Affairs / Abbreviations - 2015 Conditions and Performance

Conditions and Performance

2015 Status of the Nation's Highways, Bridges, and Transit:
Conditions & Performance



AADT average annual daily traffic
AADTT average annual daily truck traffic
AASHTO American Association of State Highway and Transportation Officials
ACS American Community Survey
ADA Americans with Disabilities Act of 1990
ADT annual daily traffic; average daily traffic
AEO Annual Energy Outlook
APTA American Public Transportation Association
ATM Active Traffic Management
ATRI American Transportation Research Institute
B/C benefit-cost
BCA benefit-cost analysis
BCR benefit-cost ratio
BIA U.S. Bureau of Indian Affairs
BLM Bureau of Land Management
BLS U.S. Bureau of Labor Statistics
BPI Bid Price Index
BTS U.S. Bureau of Transportation Statistics
C&P Conditions and Performance
CAFE Corporate Average Fuel Economy
CCSP Climate Change Scenario Planning Project, Central New Mexico
CFR Code of Federal Regulations
CMAQ Congestion Mitigation and Air Quality
CMIP Coupled Model Intercomparison Project
CO2 carbon dioxide
CPI Consumer Price Index
CRFC Critical Rural Freight Corridor
CSS Context Sensitive Solutions
CUFC Critical Urban Freight Corridor
DO directly operated
DOD Department of Defense
DOI Department of the Interior
DOT Department of Transportation
DR demand response
DRM directional route mile
EDC Every Day Counts
EERPAT Energy and Emissions Reduction Policy Analysis Tool
EPA Environmental Protection Agency
FAF Freight Analysis Framework
FARS Fatality Analysis Reporting System
FAST Act Fixing America's Surface Transportation Act
FH Forest Highways
FHWA Federal Highway Administration
FLHP Federal Lands Highway Program
FLMA Federal Land Management Agency
FLTP Federal Lands Transportation Program
FLTTP Federal Lands and Tribal Transportation Program
FMCSA Federal Motor Carrier Safety Administration
FMEI Freight Movement Efficiency Index
FPM freight performance measures
FRA Federal Railroad Administration
FTA Federal Transit Administration
FWS Fish and Wildlife Service
FY fiscal year
GARVEE Grant Anticipation Revenue Vehicle
GDP gross domestic product
GHG greenhouse gas
GIS geographic information system
GPS global positioning system
GRS-IBS geosynthetic reinforced soil-integrated bridge system
HERS Highway Economic Requirements System
HOT high occupancy toll
HOV high occupancy vehicle
HPMS Highway Performance Monitoring System
HPMS-AP HPMS Analytical Process
HR heavy rail
HSIP Highway Safety Improvement Program
HSM Highway Safety Manual
HTF Highway Trust Fund
ICE Infrastructure Carbon Estimator
INVEST Infrastructure Voluntary Evaluation Sustainability Tool
IRI International Roughness Index
IRR Indian Reservation Roads
ISTEA Intermodal Surface Transportation Efficiency Act of 1991
ITE Institute of Transportation Engineers
ITS intelligent transportation system
KACTS Kittery Area Comprehensive Transportation System
LAI Location Affordability Index
LR light rail
LRTP Long Range Transportation Plans
LTPP Long-Term Pavement Performance
MAP-21 Moving Ahead for Progress in the 21st Century Act
MB motorbus
MCDM multi-criteria decision method
MEPDG Mechanistic Empirical Pavement Design Guide
MFN Multimodal Freight Network
MIRE Model Inventory of Roadway Elements
MOVES Motor Vehicle Emission Simulator
mpg miles per gallon
MPO metropolitan planning organization
MR&R maintenance, repair, and replacement; maintenance, repair, and rehabilitation
MRCOG Mid Region Council of Governments
MTA Mass Transit Account
NBE National Bridge Element
NBI National Bridge Inventory
NBIAS National Bridge Investment Analysis System
NCHRP National Cooperative Highway Research Program
NFN National Freight Network
NHCCI National Highway Construction Cost Index
NHFN National Highway Freight Network
NHPP National Highway Performance Program
NHS National Highway System
NHTS National Household Travel Survey
NHTSA National Highway Traffic Safety Administration
NPMRDS National Performance Management Research Data Set
NPRM Notice of Proposed Rulemaking
NPS National Park Service
NTD National Transit Database
OMB Office of Management and Budget
P3 Public-Private Partnership
PAB Private Activity Bond
PBES prefabricated bridge elements and systems
PFN Primary Freight Network
PHFS Primary Highway Freight System
PLDR&T public lands development roads and trails
PLHD Public Lands Highway Discretionary Program
PM-1 Safety Performance Measures Rule
PM-10 particulate matter of 10 microns in diameter or smaller
PM-2 Pavement and Bridge Performance Measures Rule
PM-3 System Performance Measures Rule
PMT passenger miles traveled; person miles of travel
PRP park roads and parkways
PSR Present Serviceability Rating; Pavement Serviceability Rating
PT purchased transportation
RAIRS Rail Accident/Injury Reporting System
Reclamation Bureau of Reclamation
Recovery Act American Recovery and Reinvestment Act
ROW right-of-way
RP Recommended Practice
RR Refuge Roads
RTP Recreational Trails Program
SAFETEA-LU Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users
SCATS Sydney Coordinated Adaptive Traffic System
SCOOT Split Cycle Offset Optimization Technique
SGR state of good repair
SHSP Strategic Highway Safety Plan
SP System Planning
SQC Synthesis, Quantity, and Condition
SR State Route
SRTS Safe Routes to School
STAA Surface Transportation Assistance Act of 1982
STBG Surface Transportation Block Grant
STIC Small Transit Intensive Cities
STP Surface Transportation Program
STRAHNET Strategic Highway Network
STRIDE Southeastern Transportation Research, Innovation, Development and Education Center, University of Florida
STURAA Surface Transportation and Uniform Relocation Assistance Act of 1987
SUV sport-utility vehicle
TA Transit Alternatives
TAP Transportation Alternatives Program
TDM Transportation Demand Management
TE Transportation Enhancement
TEA-21 Transportation Equity Act for the 21st Century
TEAM Transit Electronic Award Management
TERM Transit Economic Requirements Model
TIFIA Transportation Infrastructure and Finance Innovation Act
TMAS Traffic Monitoring Analysis System
TPM Transportation Performance Management
TRIP Transit in the Parks
TSI Transportation Services Index
U.S. United States
U.S.C. United States Code
UPT unlinked passenger trips
USACE U.S. Army Corps of Engineers
USAGE United States Applied General Equilibrium
USDA U.S. Department of Agriculture
USFS U.S. Forest Service
UZA urbanized area
V/SF volume/service flow
V2I Vehicle-to-Vehicle
V2V Vehicle-to-Infrastructure
VAST Vulnerability Assessment Scoring Tool
VII Vehicle Infrastructure Integration
VIUS Vehicle Inventory and Use Survey
VMS variable message signs
VMT vehicle miles traveled
VRM vehicle revenue mile
VSL value of a statistical life; variable speed limit
VT vehicle type
VT1 small auto
VT2 medium auto
VT3 four-tire truck
VT4 six-tire truck
VT5a three- or four-axle truck
VT5b bus
VT6 four-axle combination truck
VT7 five- or more axle combination truck
WMA warm mix asphalt
Page last modified on December 20, 2016
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000