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75 AAR Association of American Railroads ABS Automatic block signaling BNSF Burlington Northern Santa Fe CFS Commodity Flow Survey CMSA Consolidated Metropolitan Statistical Area Corps U.S. Army Corps of Engineers CPT Channel Portfolio Tool CTC Centralized traffic control DM&IR Duluth, Missabe, and Iron Range Railway DOC Department of Commerce FAF3 Freight Analysis Framework (Version 3) IWR Institute for Water Resources MARAD U.S. Maritime Administration MSA Metropolitan Statistical Area MTS Marine Transportation System NIPSCO Northern Indiana Public Service Company NS Norfolk Southern O&M Operations and maintenance OMB Office of Management and Budget ORNL Oak Ridge National Laboratory PCE Passenger car equivalent RoS Remainders of states SCTG Standard Classification of Transported Goods STCC Standard Transportation Commodity Code TEU 20-ft equivalent units TTI Texas A&M Transportation Institute TWC Track warrant control UMRP Urban Mobility Research Program UP Union Pacific WAM Waterway Analysis Model WCSC Waterborne Commerce Statistics Center List of Acronyms, Abbreviations, and Initialisms
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 ACIâNA Airports Council InternationalâNorth 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 FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FRA Federal Railroad Administration FTA Federal Transit Administration 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