Supply Chain Challenges and Solutions amid COVID-19 (2025)
Chapter: Acronyms and Initialisms
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Annotated Bibliography
Suggested Citation:
"Acronyms and Initialisms." National Academies of Sciences, Engineering, and Medicine. 2025. Supply Chain Challenges and Solutions amid COVID-19. Washington, DC: The National Academies Press.
doi: 10.17226/29153.
Acronyms and Initialisms
| BTS | Bureau of Transportation Statistics |
| CISA | Cybersecurity and Infrastructure Security Agency |
| COVID-19 | Coronavirus Disease 2019 |
| DOT | department of transportation |
| FAF | Freight Analysis Framework (database) |
| FEMA | Federal Emergency Management Agency |
| FHWA | Federal Highway Administration |
| FMCSA | Federal Motor Carrier Safety Administration |
| FTC | Federal Trade Commission |
| GPS | Global Positioning System |
| hazmat | hazardous materials |
| HOS | hours of service |
| KPI | key performance indicator |
| MARAD | U.S. Maritime Administration |
| MPO | metropolitan planning organization |
| NCSC | National Counterintelligence and Security Center |
| O-D | origin-to-destination, or origin-and-destination |
| PPE | personal protective equipment |
| SCRM | supply chain risk management |
| TEU | twenty-foot equivalent unit |
| TTI | travel time index |
| TTR | travel time reliability |
| TTTR | Truck Travel Time Reliability (index) |
| U.S. ACE | U.S. Army Corps of Engineers |
| USDA | U.S. Department of Agriculture |
| U.S. DHS | U.S. Department of Homeland Security |
| U.S. DOE | U.S. Department of Energy |
| U.S. DOL | U.S. Department of Labor |
| U.S. DOT | U.S. Department of Transportation |
| U.S. GAO | U.S. Government Accountability Office |
| VMT | vehicle miles travelled |
Suggested Citation:
"Acronyms and Initialisms." National Academies of Sciences, Engineering, and Medicine. 2025. Supply Chain Challenges and Solutions amid COVID-19. Washington, DC: The National Academies Press.
doi: 10.17226/29153.
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Suggested Citation:
"Acronyms and Initialisms." National Academies of Sciences, Engineering, and Medicine. 2025. Supply Chain Challenges and Solutions amid COVID-19. Washington, DC: The National Academies Press.
doi: 10.17226/29153.
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 |
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