Terminology

As many residents have encountered a bewildering flood of new abbreviations and terminology, we have create this short list of commonly used abbreviations to help decipher these unfamiliar terms:

  • AA – Alternatives Analysis
  • AREMA – American Railway Engineering and Maintenance of Way Association
  • BMT – Busway / Mixed Traffic
  • BOCC – Board of County Commissioners
  • BRT – Bus Rapid Transit
  • CAMPO – Capital Area Metropolitan Planning Organization
  • CHT – Chapel Hill Transit
  • CRT – Commuter Rail Transit
  • CSX – CSX Transportation
  • CWI – Collision With Individual
  • DATA – Durham Area Transit Authority
  • DCHC MPO – Durham, Chapel Hill, Carrboro Metropolitan Planning Organization
  • DEIS – Draft Environmental Impact Statement
  • DOT – Department of Transportation
  • EIS – Environmental Impact Study
  • EPA – US Environmental Protection Agency
  • FAR – Flood Area Ratio
  • FE – Final Engineering
  • FEIS – Final Environmental Impact Statement
  • FTA – Federal Transportation Administration
  • FTE – Full Time Equivalent
  • GAO – Government Accountability Office
  • HBU – Home Based Universities
  • HBW – Home Based Work
  • HOV – High Occupancy Vehicle
  • HRT – Heavy Rail Transit
  • ITS – Intelligent Transportation System
  • LPA – Locally Preferred Alternative
  • LRT – Light Rail Transit
  • LRTP – Long Range Transportation Plan
  • MIS – Major Investment Study
  • MPO – Metropolitan Planning Organization
  • MUTCD – Manual on Uniform Traffic Control Devices
  • NCDOT – North Carolina Department of Transportation
  • NCRR – North Carolina Railroad
  • NEPA – National Environmental Policy Act
  • NHB – Non-Home Based
  • NTD – National Transit Database
  • NWI – National Wetlands Inventory
  • O&M – Operating & Maintenance
  • OCS – Overhead Catenary System
  • PAX – Passenger Hours Traveled
  • PE – Preliminary Engineering
  • PFO – Palustrine Forested
  • PPHPD – peak hour per direction
  • RTP – Research Triangle Park
  • SOV – Single Occupancy Vehicle
  • STAC – Special Transit Advisory Commission
  • TA – Transitional Analysis
  • TAC – Transportation Advisory Committee
  • TAC – Technical Advisory Committee
  • TAZ – Traffic Analysis Zones
  • TCC – Technical Coordinating Committee
  • TDM – Transportation Demand Management
  • TIGER – Transportation Investment Generating Economic Recovery
  • TOD – Transit Oriented Development
  • TRTP – Triangle Regional Transit Program
  • TSM – Transportation System Management Alternative
  • USACE – US Army Corp of Engineers
  • USGS – US Geological Survey
  • UT – Unnamed Tributary
  • UZA – Urbanized Areas
  • V/C – Volume Capacity Ratio
  • VHT – Vehicle Hours Traveled
  • VMT – Vehicle Miles Traveled
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