| 4-T's |
Tolling, transit, telecommuting, and technology |
| AASHTO |
American Association of State Highway and Transportation Officials |
| ABAG |
Association of Bay Area Governments |
| ATDM |
Active transportation and demand management |
| BAAQMD |
Bay Area Air Quality Management District |
| BART |
Bay Area Rapid Transit |
| Caltrans |
California Department of Transportation |
| CAMPO |
Capitol Area Metropolitan Planning Organization |
| CCTV |
Closed-circuit television |
| CTRMA |
Central Texas Regional Mobility Authority |
| CDOT |
Connecticut Department of Transportation |
| ConOps |
Concept of operations |
| CMA |
Congestion management agencies |
| CRD |
Congestion Reduction Demonstrations |
| CV/AV |
Connected vehicles/automated vehicles |
| DDOT |
District of Columbia Department of Transportation |
| EA |
Environmental assessment |
| FAST |
Fixing America’s Surface Transportation Act |
| FY |
Fiscal year |
| FDOT |
Florida Department of Transportation |
| FHWA |
Federal Highway Administration |
| GHG |
Greenhouse gas |
| HOT |
High-occupancy toll |
| HOV |
High-occupancy vehicle |
| IBTTA |
International Bridge, Tunnel and Turnpike Association |
| ICPP |
Integrated Congestion Pricing Plan |
| ITS JPO |
Intelligent Transportation Systems Joint Program Office |
| ITSA |
Intelligent Transportation Society of America |
| MIT |
Massachusetts Institute of Technology |
| Metro |
Los Angeles County Metropolitan Transit Authority |
| MAP-21 |
Moving Ahead for Progress in the 21st Century Act |
| MnDOT |
Minnesota Department of Transportation |
| MTC |
Metropolitan Transportation Commission |
| NYCDOT |
New York City Department of Transportation |
| NCTCOG |
North Central Texas Council of Governments |
| OBD |
On-board diagnostics |
| ODOT |
Oregon Department of Transportation |
| OTREC |
Oregon Transportation Research and Education Consortium |
| PAYD |
Pay-as-you-drive |
| P2P |
Peer-to-peer |
| PBOT |
Portland Bureau of Transportation |
| PSUS |
Parking Supply and Utilization Study |
| RTR |
Real-time ridesharing |
| RSP |
Right Size Parking |
| SAFETEA-LU |
Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users |
| SBCAG |
Santa Barbara County Association of Governments |
| SCAG |
Southern California Association of Governments |
| SFCTA |
San Francisco County Transportation Authority |
| SFMTA |
San Francisco Municipal Transportation Agency |
| SOV |
Single-occupancy vehicle |
| TDM |
Travel demand management |
| TEA-21 |
Transportation Equity Act for the 21st Century |
| TRAC |
University of Washington State Transportation Research Center |
| TRB |
Transportation Research Board |
| TXDOT |
Texas Department of Transportation |
| UBI |
Usage-based insurance |
| UC |
University of California |
| UPA |
Urban Partnership Agreements |
| DOT |
United States Department of Transportation |
| VHD |
Vehicle hours of delay |
| VHT |
Vehicle hours of travel |
| VMT |
Vehicle miles traveled |
| VTA |
Valley Transportation Authority |
| VPPP |
Value Pricing Pilot Program |
| WSDOT |
Washington State Department of Transportation |
