FHWA-HEP-09-026
| ADEM | Alabama Department of Environmental Management |
|---|---|
| ALDOT | Alabama Department of Transportation |
| APCA | Alabama Partners for Clean Air |
| AQ | air quality |
| BAAQMD | Bay Area Air Quality Management District |
| BFC | Bike Fort Collins |
| BJCTA | Birmingham-Jefferson County Transit Authority |
| CAA | Clean Air Act |
| Caltrans | California Department of Transportation |
| CARB | California Air Resources Board |
| CDOT | Colorado Department of Transportation |
| CDPHE | Colorado Department of Public Health and Environment |
| CEC | CMAQ Evaluation Committee (Pittsburgh) |
| CCF | crankcase filter |
| CHP | California Highway Patrol |
| CMAQ | Congestion Mitigation and Air Quality |
| CMP | Congestion Management Process |
| CO | carbon monoxide |
| CO2 | carbon dioxide |
| DEP | Department of Environmental Protection |
| DEQ | Department of Environmental Quality (Oregon) |
| DLCD | Department of Land Conservation and Development |
| DOC | diesel oxidation catalysts |
| DOT | Department of Transportation |
| DRCOG | Denver Regional Council of Governments |
| EOEEA | Executive Office of Energy and Environmental Affairs (Massachusetts) |
| EOT | Executive Office of Transportation (Massachusetts DOT) |
| EPA | Environmental Protection Agency |
| FSP | Freeway Service Patrol |
| FHWA | Federal Highway Administration |
| FTA | Federal Transit Administration |
| FY | Fiscal Year |
| HC | Hydrocarbons |
| HUD | Department of Housing and Urban Development |
| I&M | Inspection and Maintenance |
| ISTEA | Intermodal Surface Transportation Efficiency Act |
| ITS | Intelligent Transportation Systems |
| MassDEP | Massachusetts Department of Environmental Protection |
| MPO | Metropolitan Planning Organization |
| MTC | Metropolitan Transportation Commission (San Francisco Bay Area) |
| MVIC | Metro Vision Issues Committee |
| NAA | nonattainment area |
| NAAQS | National Ambient Air Quality Standards |
| NFRMPO | North Front Range MPO (Fort Collins, Colorado) |
| NOX | nitrogen oxide |
| ODEQ | Oregon Department of Environmental Quality |
| ODOT | Oregon Department of Transportation |
| PAC | Public Advisory Council |
| PDP | Pittsburgh Downtown Partnership |
| PennDOT | Pennsylvania Department of Transportation |
| PM 2.5 | particulate matter (fine) |
| PM 10 | particulate matter |
| PPM | parts per million |
| PPP | public-private partnerships |
| RAQC | Regional Air Quality Council (Colorado) |
| RPCGB | Regional Planning Commission of Greater Birmingham |
| RTC | Regional Transportation Committee |
| RTD | Regional Transportation District |
| RTP | Regional Transportation Plan |
| RVCOG | Rogue Valley Council of Governments (Medford, Oregon) |
| RVMPO | Rogue Valley MPO (Medford, Oregon) |
| SAFE | Service Authority for Freeways and Expressways (MTC) |
| SAFETEA-LU | Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users |
| SFBCDC | San Francisco Bay Conservation and Development Commission |
| SIP | State Implementation Plan |
| SPC | Southwestern Pennsylvania Commission (Pittsburgh) |
| STIP | State Transportation Improvement Program |
| STP | Surface Transportation Program |
| TAC | Technical Advisory Committee, Transportation Advisory Committee |
| TCM | Transportation control measures |
| TDM | Transportation demand management |
| TE | Federal Transportation Enhancements Funding |
| TEA-21 | Transportation Equity Act for the 21st Century |
| TIP | Transportation Improvement Program |
| TMA | Transportation Management Area |
| TMA | Transportation Management Association |
| TOD | time of day |
| TRB | Transportation Research Board |
| TSSIP | Traffic Signal System Improvement Program |
| UFR TPR | Upper Front Range Transportation Planning Region |
| USDOT | U.S. Department of Transportation |
| VMT | vehicle-miles traveled |
| VOC | volatile organic compound |
