
| API |
application program interface |
| ATCMTD |
Advanced Transportation and Congestion Management Technologies Deployment |
| ATMS |
advanced traffic management system |
| ATRI |
American Transportation Research Institute |
| ATTIMD |
Advanced Transportation Technologies and Innovative Mobility Deployment |
| CCTV |
closed-circuit television |
| CFR |
Code of Federal Regulations |
| ConOps |
concept of operations |
| DMS |
dynamic message sign |
| DOT |
department of transportation |
| DPAS |
dynamic parking availability sign |
| ELD |
electronic logging devices |
| FASTLANE |
Fostering Advancements in Shipping and Transportation for The Long-Term Achievement of National Efficiencies |
| GPS |
global positioning system |
| HOS |
hours of service |
| INFRA |
Infrastructure for Rebuilding America |
| IOO |
infrastructure owner-operator |
| IR |
infrared |
| IT |
information technology |
| ITRCC |
Indiana Toll Road Concession Company |
| ITS |
intelligent transportation system(s) |
| IVR |
interactive voice recognition |
| JSON |
JavaScript object notation |
| KTA |
Kansas Turnpike Authority |
| LIDAR |
light detection and ranging |
| MAASTO |
Mid America Association of State Transportation Officials |
| MDSHA |
Maryland State Highway Administration |
| MUTCD |
Manual on Uniform Traffic Control Devices |
| NEVI |
National Electric Vehicle Infrastructure |
| RAISE |
Rebuilding American Infrastructure with Sustainability and Equity |
| RV |
recreational vehicle |
| SaaS |
software as a service |
| STIP |
Statewide Transportation Improvement Program |
| TIGER |
Transportation Investment Generating Economic Recovery |
| TPAS |
truck parking availability system |
| TPIMS |
truck parking information management system |
| TSMO |
transportation systems management and operations |
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Abbreviations and acronyms used without definitions in TRB publications:
| A4A | Airlines for America |
| AAAE | American Association of Airport Executives |
| AASHO | American Association of State Highway Officials |
| AASHTO | American Association of State Highway and Transportation Officials |
| ACI–NA | Airports Council International–North America |
| ACRP | Airport Cooperative Research Program |
| ADA | Americans with Disabilities Act |
| APTA | American Public Transportation Association |
| ASCE | American Society of Civil Engineers |
| ASME | American Society of Mechanical Engineers |
| ASTM | American Society for Testing and Materials |
| ATA | American Trucking Associations |
| CTAA | Community Transportation Association of America |
| CTBSSP | Commercial Truck and Bus Safety Synthesis Program |
| DHS | Department of Homeland Security |
| DOE | Department of Energy |
| EPA | Environmental Protection Agency |
| FAA | Federal Aviation Administration |
| FAST | Fixing America’s Surface Transportation Act (2015) |
| FHWA | Federal Highway Administration |
| FMCSA | Federal Motor Carrier Safety Administration |
| FRA | Federal Railroad Administration |
| FTA | Federal Transit Administration |
| GHSA | Governors Highway Safety Association |
| HMCRP | Hazardous Materials Cooperative Research Program |
| IEEE | Institute of Electrical and Electronics Engineers |
| ISTEA | Intermodal Surface Transportation Efficiency Act of 1991 |
| ITE | Institute of Transportation Engineers |
| MAP-21 | Moving Ahead for Progress in the 21st Century Act (2012) |
| NASA | National Aeronautics and Space Administration |
| NASAO | National Association of State Aviation Officials |
| NCFRP | National Cooperative Freight Research Program |
| NCHRP | National Cooperative Highway Research Program |
| NHTSA | National Highway Traffic Safety Administration |
| NTSB | National Transportation Safety Board |
| PHMSA | Pipeline and Hazardous Materials Safety Administration |
| RITA | Research and Innovative Technology Administration |
| SAE | Society of Automotive Engineers |
| SAFETEA-LU | Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005) |
| TCRP | Transit Cooperative Research Program |
| TEA-21 | Transportation Equity Act for the 21st Century (1998) |
| TRB | Transportation Research Board |
| TSA | Transportation Security Administration |
| U.S. DOT | United States Department of Transportation |