Transportation Acronyms, Dictionaries, Glossaries, and Thesauri Guides

For this list groupped by subject, please go here.


AASHTO Transportation Glossary

American Association of Port Authorities, Glossary of Maritime Terms

APTA's Glossary of Transit Terminology

APTA's Public Transportation Definitions

Arkansas Highways Transportation Glossary

ASTM G193 - Standard Terminology and Acronyms Relating to Corrosion

ASTM Online Dictionary of Engineering Science and Technology

Australian Transport Index Thesaurus

Austroads Glossary of Terms


Bureau of Transportation Statistics Transportation Expressions Guide and Acronym Guide


California Air Resources Board, Glossary of Air Pollution Terms

California High Speed Blog Glossary

CalTrans Transportation Acronyms

Canada-U.S. Transportation Border Working Group (TBWG) Glossary

Centers for Disease Control and Prevention Transportation Recommendations Glossary

Clean Air Act Amendments of 1990: Glossary of Terms

Commercial Vehicle Information Systems and Networks Glossary

Community Transportation Association Glossary of Transportation Terms


Department of Energy, Energy Information Administration Glossary

Department of Energy, Glossary of Transportation/Packaging Terms

Dictionary for Overhead Contact Systems with Pantograph and Trolley Pole Operations 

Dictionary of Florida Transportation Acronyms


Economic Commission for Europe (UN/ECE), Terminology on Combined Transport (French; English; German; Russian)

El Paso County Colorado Glossary of Transportation Terms

Eye for Transport Glossary of Transportation Terms (freight)


Federal Aviation Administration (FAA) Air Traffic Management Glossary

Federal Aviation Administration (FAA) Airports Acronym Glossary

Federal Aviation Administration (FAA) Guide for Aviation Medical Examiners Glossary/Acronyms

Federal Highway Administration (FHWA) Freight Glossary

Federal Highway Administration (FHWA) International Organization Acronyms

Federal Highway Administration (FHWA) Planning for Operations Glossary

Federal Highway Administration (FHWA) Planning Glossary

Federal Motor Carriers Safety Administration (FMCSA) Protect Your Move Glossary of Terms

Federal Transit Administration (FTA) Glossary of Budget Terms

Federal Transit Administration (FTA) Glossary of Commuter Choice Terms

Federal Transit Administration (FTA) Transit Glossary

Florida Department of Transportation (FDOT) Transportation Glossary

Foreign Trade Glossary of Terms

FTA Glossary of Commuter Choice Terms


Glossary of Air Pollution Terms (California Air Resources Board)

Glossary of Highway Quality Assurance Terms (2002)

Glossary of Highway Quality Assurance Terms (2005)

Glossary of National Transit Database Terms

Glossary of Regional Transportation Systems Management and Operations Terms


Human Factors Design Guidelines Glossary


Idaho Transportation Department

Industry Canada: Glossary of Automotive Terms

Innovative Program Delivery Glossary

International Federation of Air Traffic Controllers' Associations, Acronym Guide

International Pedestrian Lexicon

ITS Standards Program Glossary of Terms


Los Angeles MTA


Manual on Classification of Motor Vehicle Traffic Accidents

Maritime Administration (MARAD) Glossary of Shipping Terms

Maritime Glossary

metroMagazine Glossary

Metropolitan Transportation Commission Glossary of Planning Acronyms and Terms

Metropolitan Washington Council of Governments Transportation Glossary

Mineta Transportation Institute Glossary of Transportation Terms

Minnesota Department of Transportation, General Glossary of Terms

Missoula County Transportation Glossary and Acronyms

Model Minimum Uniform Crash Criteria (MMUCC) Glossary


National ITS Architecture Glossary/U.S. DOT

National Surface Transportation Policy and Revenue Commission Glossary

NEMA -- Popular Acronyms

North Carolina Department of Transportation Glossary

North Carolina Department of Transportation, Public Transportation Glossary & Acronyms

Northeastern Vermont Development Association Transportation Glossary


On Line TDM Encyclopedia


Pavement Interactive Glossary

Pipeline and Hazardous Materials Safety Administration (PHMSA) Gas Integrity Management Glossary

Pipeline and Hazardous Materials Safety Administration (PHMSA) Hazardous Materials and Pipeline terms

Pipeline and Hazardous Materials Safety Administration (PHMSA) Pipeline Glossary


Railroad Retirement Board, Glossary of Railroad Retirement Board Terms

Railway Technical Web Pages Glossaries

RTAMS Transportation Terminology Glossary


SAE Glossary of Automotive Terms

San Diego Railroad Museum, Railroad Definitions

Small Urban and Rural Transit Center (SURTC) Transportation Glossary


Trains Railroading Glossary

Transport Research Knowledge Centre Glossary

Transportation Acronym Guide

Transportation Demand Management Glossary of Key Words and Phrases

Transportation Expressions

Transportation Research Group, Collection of Acronyms Related to Transport (CART)

TranStats Glossary

Truck Writers of North America (TWNA) Trucking Terms

Twin Cities Metropolitan Council Air Transportation Glossary


U.S. Geological Survey Earthquake Glossary

Union Pacific Railroad Terms Glossary

United Nations Economic Commission for Europe, Glossary for Transport Statistics

US Environmental Protection Agency Partner Resources Glossary

US Highways Glossary of Highway Terms


Vocabulaire trilingue des systèmes de transport intelligents - Trilingual Vocabulary of Intelligent Transport Systems - Vocabulario Trilingüe de los Sistemas Inteligentes de Transporte


World Road Association (PIARC) Terminology


Matt Barrett, Los Angeles MTA, originally posted a copy of their list of transportation and transportation-related acronyms, dictionaries, glossaries, and thesauri guides to the SLA Transportation Division electronic list. Several contributors posted additional resources that were incorporated to create an enhanced list and a new subject list was also developed.

The TRB LIST Committee is delighted to make both lists available to the transportation community and deeply thanks Matt and all other contributors.


Matthew Barrett

Betsy Aldridge

Jennifer Boteler

Rebecca Christie

Glenn Cole

Andrew Meier andrew.meier@ARRB.COM.AU

Sabina Tannenbaum

Roberto A. Sarmiento

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