Commonly Used Terms in Transportation and Other Planning Areas
| AADB | Annual Average Daily Bicycles |
| AADP | Annual Average Daily Pedestrians |
| AADT | Annual Average Daily Traffic |
| AASHTO | American Association of State Highway and Transportation Officials |
| AB Model | Activity Based Model |
| ACS | American Community Survey |
| ACT | American Communities Survey |
| ADA | Americans with Disabilities Act |
| APTA | American Public Transportation Association |
| AQA | Air Quality Action |
| AQP | Air Quality Partnership |
| ATR | Automatic Traffic Recorder |
| AV | Autonomous Vehicle |
| AWDT | Average Weekday Daily Traffic |
| BCTMA | Bucks County Transportation Management Association |
| BID | Business Improvement District |
| BIL | Bipartisan Infrastructure Law |
| BRT | Bus Rapid Transit |
| CAAA | Clean Air Act Amendments |
| CAC | Clean Air Council |
| CBD | Central Business District |
| CBNR | Comprehensive Bus Network Redesign |
| CCCTMA | Cross County Connection Transportation Management Association |
| CD | Concept Development |
| CDC | Community Development Corporation |
| CEDS | Comprehensive Economic Development Strategy |
| CHSTP | Comprehensive Human Services Transportation Plan |
| CMAQ | Congestion Mitigation and Air Quality Improvement Program |
| CMP | Congestion Management Program |
| CPTMA | Central Philadelphia Transportation Management Association |
| CR | County Route |
| CRRSAA | Coronavirus Response and Relief Supplemental Appropriations Act |
| CTPP | Census Transportation Planning Package |
| CZAC | Coastal Zone Advisory Committee |
| CZM | Coastal Zone Management |
| DBE | Disadvantaged Business Enterprise |
| DCA | Department of Community Affairs |
| DCTMA | Delaware County Transportation Management Association |
| DECZ | Delaware Estuary Coastal Zone |
| DEP | Department of Environmental Protection |
| DOD | Department of Defense |
| DOT | Department of Transportation |
| DRPA | Delaware River Port Authority |
| DRWI | Delaware River Watershed Initiative |
| DVGMTF | Delaware Valley Goods Movement Task Force |
| ECG | East Coast Greenway |
| EDA | Economic Development Administration |
| EDD | Economic Development District |
| EJ | Environmental Justice |
| ERH | Emergency Ride Home |
| ETA | Equity through Access |
| FAA | Federal Aviation Administration |
| FAST Act | Fixing America’s Surface Transportation Act |
| FASTLANE | Fostering Advancements in Shipping and Transportation for the Long-term Achievement of National Efficiencies |
| FEMA | Federal Emergency Management Agency |
| FHWA | Federal Highway Administration |
| FLMA | Federal Land Management Agency |
| FTA | Federal Transit Administration |
| FY | Fiscal Year |
| GHG | Greenhouse Gas |
| GIS | Geographic Information Systems |
| GMTMA | Greater Mercer Transportation Management Association |
| GVFTMA | Greater Valley Forge Transportation Management Association |
| HAV | Highly Autonomous Vehicle |
| HCTF | Healthy Communities Task Force |
| HDV | Heavy-duty Diesel Vehicle |
| HIP | Highway Infrastructure Program |
| HOV | High Occupancy Vehicle |
| HPMS | Highway Performance Monitoring System |
| HSIP | Highway Safety Improvement Program |
| HSM | Highway Safety Manual |
| HUD | US Department of Housing and Urban Development |
| ICG | Interagency Consultation Group |
| ICM | Integrated Corridor Management |
| IDRuM | Interactive Detour Route Mapping |
| IIJA | Infrastructure Investment and Jobs Act |
| IMTF | Incident Management Task Force |
| IPD | Indicators of Potential Disadvantage |
| IREG | Information Resources Exchange Group |
| ISATO | Increasing Safe and Accessible Transportation Options |
| ITE | Institute of Transportation Engineers |
| ITS | Intelligent Transportation Systems |
| JARC | Job Access Reverse Commute |
| LCD | Local Concept Development |
| LED | Light Emitting Diode |
| LEED | Leadership in Energy and Environmental Design |
| LEP | Limited English Proficiency |
| LOS | Level of Service |
| LRP | Long-Range Plan |
| LTAP | Local Technical Assistance Program |
| MAP | Mobility Alternatives Program |
| MAP | 21-Moving Ahead for Progress in the 21st Century |
| MIRE | Model Inventory of Roadway Elements |
| MIT | Municipal Implementation Tools |
| MOVES | Motor Vehicles Emissions Simulator |
| MPMP | Multimodal Project Management System |
| MPO | Metropolitan Planning Organization |
| NAAQS | National Ambient Air Quality Standards |
| NACTO | National Association of City Transportation Officials |
| NAICS | North American Industry Classification System |
| NEPA | National Environmental Protection Act |
| NETS | National Establishment Time Series |
| NHS | National Highway System |
| NHSL | Norristown High Speed Line |
| NJ BPAC | NJ Bicycle and Pedestrian Advisory Council |
| NJBPU | New Jersey Board of Public Utilities |
| NJCRC | New Jersey Coastal Resilience Collaborative |
| NJ DCA | NJ Department of Community Affairs |
| NJ DEP | NJ Department of Environmental Protection |
| NJ DOT | NJ Department of Transportation |
| NJ OPA | NJ Office for Planning Advocacy |
| NJ SAFR | NJ Southern Area First Responders |
| NJT | New Jersey Transit |
| NJTA | NJ Turnpike Authority |
| NJTPA | North Jersey Transportation Planning Authority |
| OMB | Office of Management and Budget |
| oTIS | Philadelphia Managing Director's office of Transportation and Infrastructure Sustainability |
| PA DCED | PA Department of Community and Economic Development |
| PA DCNR | Pennsylvania Department of Conservation and Natural Resources |
| PA DEP | PA Department of Environmental Protection |
| PART | Pottstown Area Rapid Transit |
| PA SDC | PA State Data Center |
| PATCO | Port Authority Transit Corporation |
| PEAs | Planning Emphasis Areas |
| PEL | Planning and Environment Linkages |
| PennDOT | PA Department of Transportation |
| PL | FHWA and FTA Metropolitan Planning Program funds |
| PM 2.5 | Particulate Matter 2.5 microns |
| PMC | Program Management Committee |
| PMRPC | Pottstown Metropolitan Regional Planning Commission |
| POA | Point of Access |
| PPA | Preliminary Preferred Alternative |
| PPAC | Pedalcycle and Pedestrian Advisory Committee |
| PPTA | PA Public Transportation Association |
| PPTF | Public Participation Task Force |
| PSATS | PA State Association of Township Supervisors |
| PTC | PA Turnpike Commission |
| PTMA | Partnership Transportation Management Association |
| PWP | Planning Work Program |
| RAC | Regional Aviation Committee |
| RASP | Regional Aviation System Plan |
| RCRS | Road Condition Reporting System |
| RideECO | Ride Easy Commute Options |
| RIMIS | Regional Integrated Multimodal Information Sharing |
| ROW | Right-of-Way |
| RPO | Rural Planning Organization |
| RSLPP | Regional Streetlight Procurement Program |
| RSTF | Regional Safety Task Force |
| RTAC | Regional Transit Advisory Committee |
| RTC | Regional Technical Committee |
| RTSAP | Regional Transportation Safety Analysis and Plan |
| SAR | Share-a-Ride |
| SDRP | State Development and Redevelopment Plan |
| SEPTA | Southeastern Pennsylvania Transportation Authority |
| SHSP | Strategic Highway Safety Plan |
| SILOC | Services in Lieu of Cash |
| SIP | State Implementation Plan |
| SJCATF | Sustainable Jersey Climate Adaptation Task Force |
| SJTA | South Jersey Transportation Authority |
| SJTPO | South Jersey Transportation Planning Organization |
| SME | Subject Matter Experts |
| SOS | Strategies for Older Suburbs |
| SOV | Single Occupant Vehicle |
| SRHPP | Supportive Regional Highway Planning Program |
| SRTS | Safe Routes to School |
| SRTT | Safe Routes to Transit |
| SS4A | Safe Streets and Roads for All |
| STBGP | Surface Transportation Block Grant Program |
| STIP | State Transportation Improvement Program |
| STOPS | Simplified Trips-On-Projects Software |
| STP | Surface Transportation Program |
| STU | STP Funds Allocated to Urban Areas |
| SVC | Stored Value Card |
| TAMP | Transportation Asset Management Plan |
| TAP | Transportation Alternatives Program |
| TCDI | Transportation and Community Development Initiative |
| TCRP | Transit Cooperative Research Program |
| TDM | Transportation Demand Management |
| TDM | Travel Demand Model |
| TE | Transportation Enhancements |
| TIM2 | Travel Improvement Model Version 2 |
| TIM3 | Travel Improvement Model Version 3 |
| TIP | Transportation Improvement Plan |
| TMA | Transportation Management Association, Transportation Management Area |
| TMACC | Transportation Management Association of Chester County |
| TMP | Traffic Management Plan |
| TOD | Transit Oriented Development |
| TOP | Travel Options Program |
| TOTF | Transportation Operations Task Force |
| TPM | Transportation Performance Measures |
| TPM | Transportation Performance Management |
| TRID | Transit Revitalization Investment District |
| TRB | Transportation Research Board |
| TSM | Transportation Systems Management |
| TSMO | Transportation Systems Management and Operations |
| TSP | Transit Support Program |
| TSP | Transit Signal Priority |
| UPWP | Unified Planning Work Program |
| US DOT | US Department of Transportation |
| US EDA | US Economic Development Administration |
| US EPA | US Environmental Protection Agency |
| UWAG | Urban Waterfront Action Group |
| VOC | Volatile Organic Compound |
| VMT | Vehicle Miles Traveled |
| VPI | Virtual Public Involvement |