AADT – Average Annual Daily Traffic
AASHTO – American Association of State Highway Transportation Officials
ACC – Air Quality committee
ADA – American with Disabilities Act
AMPO – Association of Metropolitan Planning Organizations
APA – American Planning Association
AQ – Air Quality
AQCA – Air Quality Conformity Analysis
ARRA – American Recovery and Reinvestment Act of 2009
BBP – Bicycle & Pedestrian Plan
BPAC – Bicycle & Pedestrian Advisory Committee
BPSP – Bicycle and Pedestrian Safety Program
CD – Collector-Distributor
CIA – Community Impact Assessment
CLRP – Constrained Long Range Transportation Plan
CMAQ – Congestion Mitigation & Air Quality Program
CMF – Crash Modification Factor
CMP – Congestion Management Process
CN – Construction Phase
CoSS – Corridor of Statewide Significance
CTAG – Citizens Transportation Advisory Group
CTB – Commonwealth Transportation Board
CTF – Commonwealth Transportation Fund
DBE – Disadvantage Business Enterprise
DC2RVA – Washington, DC to Richmond
DDI – Diverging Diamond Interchange
DEHSR – Southeast High Speed Rail
DEQ – Department of Environmental Quality
DGP – District Grants Program
DRPT – Department of Rail & Public Transportation
EA – Environmental Assessment
EIS – Environmental Impact Statement
EJ – Environmental Justice
EPA – Environmental Protection Act
EPDO – Equivalent Property Damage Only
FAMPO – Fredericksburg Area Metropolitan Planning Organization
FHWA – Federal Highway Administration
FRA – Federal Railroad Administration
FRED – Fredericksburg Regional Transit
FTA – Federal Transit Administration
FTC – FAMPO Technical Committee
FY – Fiscal Year
GIS – Geographic Information System
GWRC – George Washington Regional Commission
HB2 – House Bill 2
HMOF – Highway Maintenance and Operating Fund
HNS – National Highway System
HOT – High Occupancy Lanes
HOW – High Occupancy Vehicle
HPP – High Priority Program
HPPP – High Priority Projects Program
H-RGCP – Highway Rail Grade Crossing Safety Program
HSIP – Highway Safety Improvement Program
HSP – Highway Safety Program
HTF – Highway Trust Fund
IJR – Interstate Justification Report
IMR – Interstate Modification Report
IMS – Incident Management System
ISTEA – Intermodal Surface Transportation Efficiency Act of 1991
ITS – Intelligent Transportation System
LEP – Limited English Proficiency Plan
LOS – Level of Service
LRTP – Long Range Transportation Plan
MOU – Memorandum of Understanding
MPO – Metropolitan Planning Organization
NAAQS – National Ambient Air Quality Standards
NB – Northbound
NEPA – National Environmental Policy Act of 1969
NHTSA – National Highway Traffic Safety Administration
NOVA – Northern Virginia
NPS – National Park Service
NPTS – Nationwide Personal Transportation Survey
NSBP – National Scenic Byways Program
NTD – National Transit Database
NVTA – Northern Virginia Transportation Commission
O&M – Operations and Maintenance
OIPI – Office of Intermodal Planning and Investment
PC – Policy Committee
PD16 – Planning District 16
PE – Preliminary Engineering
PL – Planning Funds
PNR – Park & Ride Lot
PPP – Public Participation Plan
PPTA – Private-Public Transportation Act
PRTC – Potomac and Rappahannock Transportation Commission
PTAB – Public Transportation Advisory Board
RFI – Request for Information
RFP – Request for Proposals
RN – Regional Network
ROW – Right-of-Way
RSTBG – Regional Surface Transportation Block Grant Program
RSTP – Regional Surface Transportation Program
RTPP – Regional Transit Policy Plan
RTW – Rural Work Plan
SAFETEA-LU – Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users
SB – Southbound
SGR – State of Good Repair
SHSP – Strategic Highway Safety Plan
SIP – State Implementation Plan
SMP – Statewide Mobility Plan
SOV – Single Occupant Vehicle
SSI – Systemic Safety Improvement
STARS – Strategically Targeted Affordable Roadway Solutions
STIP – State Transportation Improvement Program
STP – State Transportation Program
SYIP – Six Year Improvement Plan
TA – Transportation Alternatives
TAM – Transit Asset Management
TAZ – Traffic Analysis Zone
TDM – Transportation Demand Management
TEA-21 – Transportation Equity Act for the 21st Century
TERM – Transit Economic Requirements Model
TFRA – Toll Facilities Revolving Account
TIP – Transportation Improvement Program
TMA – Transportation Management Area
TNC – Transportation Network Companies
TPB – Transportation Planning Board
TPOF – Transportation Partnership Opportunity Fund
TSM – Transportation Systems Management
TTF – Transportation Trust Fund (Virginia)
TTI – Travel Time Index
UDA – Urban Development Area
ULB – Useful Life Benchmark
UPWP – Unified Planning Work Program
USACE – United States Army Corps of Engineers
USDA – United States Department of Agriculture
USDHS – United States Department of Homeland Security
USDOT – United States Department of Transportation
USEPA – United States Environmental Protection Agency
USFWS – United States Fish and Wildlife Service
USGS – United States Geological Survey
VACo – Virginia Association of Counties
VAHS – Virginia Department of Veteran Affairs and Homeland Security
VAMPO – Virginia Association of Metropolitan Planning Organizations
VCI – Virginia Council of Indians
VCR – Virginia Central Railway
VDA – Virginia Department of Aviation
VDCR – Virginia Department of Conservation and Recreation
VDEM – Virginia Department of Emergency Management
VDEQ – Virginia Department of Environmental Quality
VDGIF – Virginia Department of Game and Inland Fisheries
VDHR – Virginia Department of Historic Resources
VDOA – Virginia Department of Aviation
VDOF – Virginia Department of Forestry
VDOT – Virginia Department of Transportation
VHT – Vehicle Hours of Travel
VMRC – Virginia Marine Resources Commission
VMT – Vehicle Miles of Travel
VOC – Ozone
VPA – Virginia Port Authority
VRE – Virginia Railway Express
VSHSP – Virginia Strategic Highway Safety Plan
VTA – Virginia Transit Association
VTIB – Virginia Transportation Infrastructure Bank
VTRANS – 2040 Commonwealth of Virginia Long Range Transportation Plan
VTSP – Virginia Surface Transportation Plan