| 4Ts | Tolling, Transit, Telecommuting, and Technology |
| APC | Automatic passenger counter |
| ARB | Air Resource Board |
| AVL | Automatic vehicle location |
| AVO | Average vehicle occupancy |
| BART | Bay Area Rapid Transit |
| CBA | Cost benefit analysis |
| COTM | Contract Officer Technical Manager |
| CO2 | Carbon dioxide |
| CRD | Congestion Reduction Demonstration |
| CUTR | Center for Urban Transportation Research |
| CVO | Commercial vehicle operator |
| DMS | Dynamic Message Sign |
| DOE | Department of Environment |
| EJ | Environmental justice |
| FHWA | Federal Highway Administration |
| FTA | Federal Transit Administration |
| GGBHTD | Golden Gate Bridge and Highway Transportation District |
| GPS | Global positioning system |
| HOT |
High occupancy toll |
| HOV |
High occupancy vehicle |
| ISP | Information service provider |
| ITS | Intelligent transportation systems |
| ITS JPO | Intelligent Transportation Systems Joint Program Office |
| MAPS | Mobility, Access and Pricing Study |
| MOE | Measure of effectiveness |
| MOVES | Motor Vehicle Emission Simulator |
| MTC | Metropolitan Transportation Commission |
| Muni | San Francisco Municipal Railway |
| NEF | National Evaluation Framework |
| NOx | Nitrogen oxide |
| PM | Particulate matter |
| PMT | Person miles traveled |
| PMZ | Parking management zone |
| PT | Person throughput |
| RFP | Request for Proposal |
| RITA | Research and Innovative Technology Administration |
| SF-CHAMP | San Francisco Chained Activity Modeling Process |
| SFCTA | San Francisco County Transportation Agency |
| SFMTA | San Francisco Metropolitan Transportation Authority |
| SOV | Single-occupant vehicle |
| TAZ | Travel Analysis Zone |
| TEP | Transportation Effectiveness Program
|
| TDM | Travel demand management |
| TRIPS | Transportation Information Planning Support |
| TTI | Texas Transportation Institute |
| UPA | Urban Partnership Agreement |
| U.S. DOT | U.S. Department of Transportation |
| VOC | Volatile organic compounds |
| VMT | Vehicle miles traveled |
| VT | Vehicle trips |
