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Glossary of Common Transportation Acronyms

Acronym Definition
ADA Americans with Disabilities Act
BCA Benefit-Cost Analysis
BIL Bipartisan Infrastructure Law (also referred to as Infrastructure Investment & Jobs Act [IIJA])
DBE Disadvantaged Business Enterprise
DOT Department of Transportation
EJ Environmental Justice
EV Electric Vehicle
FAA Federal Aviation Administration
FHWA Federal Highway Administration
FMCSA Federal Motor Carrier Safety Administration
FRA Federal Railroad Administration
FTA Federal Transit Administration
IIJA Infrastructure Investment & Jobs Act (also referred to as Bipartisan Infrastructure Law [BIL])
J40 Justice40 Initiative
LRTP Long-Range Transportation Plan
MARAD Maritime Administration
MPO Metropolitan Planning Organization
NEPA National Environmental Policy Act
NOFO Notice of Funding Opportunity
NHTSA National Highway Traffic Safety Administration
OA Operating Administration
OIG Office of the Inspector General
OST Office of the Secretary of Transportation
P3 Public-Private Partnership
PHMSA Pipeline and Hazardous Materials Safety Administration
ROUTES Rural Opportunities to Use Transportation for Economic Success
GLS Great Lakes St. Lawrence Seaway Development Corporation
TIP Transportation Improvement Program
TIFIA Transportation Infrastructure Finance and Innovation Act
STIP Statewide Transportation Improvement Program