3-C - Comprehensive, Cooperative, and Continuing

ACS - American Community Survey 

ADA – Americans with Disabilities Act (1990)

ADT - Average Daily Traffic

AGOL - ArcGIS Online

APC - Automatic Passenger Counter

AQ - Air Quality

AVL - Automatic Vehicle Location

Bike/Ped - Bicycle and Pedestrian

BOT - Board of Transportation

BRT - Bus Rapid Transit

CAMPO - Capital Area Metropolitan Planning Organization

CBD - Central Business District

CFR - Code of Federal Regulations

CHT - Chapel Hill Transit

CMAQ - Congestion Mitigation and Air Quality Improvement Program

CMP - Congestion Management Process

CMS - Congestion Management System

CO - Certificate of Occupancy

CPRC - Central Pines Regional Council

CTP - Comprehensive Transportation Plan

CTPP - Census Transportation Planning Package

DBE - Disadvantaged Business Enterprise

DCHC MPO - Durham Chapel-Hill Carrboro Metropolitan Planning Organization

DEIS - Draft Environmental Impact Statement

DOLRT - Durham-Orange Light Rail Transit

DTAG - Durham Trails and Greenway

EJ - Environmental Justice

EPA - Environmental Protection Agency

ESRI - Environmental Systems Research Institute

E-TIP - Electronic-Transportation Improvement Program

FAST Act - Fixing America’s Surface Transportation Act

FHWA - Federal Highway Administration

FTA - Federal Transit Administration

FTE - Full-Time Equivalent

FY - Fiscal Year

GIS - Geographic Information Systems

HOT - High-Occupancy Toll (Lane)

HOV - High-Occupancy Vehicle (Lane)

HPMS - Highway Performance Monitoring System

IDAS - ITS Deployment Analysis System

ITRE - Institute for Transportation Research and Education

ITS - Intelligent Transportation System

KML - Keyhole Markup Language

LEP - Limited English Proficiency

LOS - Level of Service

LPA - Lead Planning Agency

MAP-21 - Moving Ahead for Progress in the 21st Century Act

MBE - Minority Business Enterprise

MLI - Minority and Low Income

MOVES - Motor Vehicle Emission Simulator

MPA - Metropolitan Planning Area

MPO - Metropolitan Planning Organization

MRC - Mobility Report Card

MTP - Metropolitan Transportation Plan

MTIP - Metropolitan Transportation Improvement Program

NAAQS - National Ambient Air Quality Standards

NCDEQ - North Carolina Department of Environmental Quality

NCDOT - North Carolina Department of Transportation

NEPA - National Environmental Policy Act (1969)

NHS - National Highway System

NPRM - Notice of Proposed Rule Making

N-S BRT - North-South Bus Rapid Transit

NTD - National Transportation Database

OC - Orange County

OPT - Orange Public Transportation

PIP - Public Involvement Policy

PL - Metropolitan Planning (Funds)

PMP - Program Management Plan

PMT - Person Miles of Travel

PTD - Public Transportation Division

PUMS - Public Use Microdata Sample

QC - Quality Control

RDU - Raleigh-Durham International Airport

REA - Regional Emissions Analysis

RFP - Request for Proposal

SE - Socio-Economic

SHSP - Strategic Highway Safety Plan

SIP - State Implementation Plan

SPOT - Strategic Planning Office of Transportation

SRTP - Secure Real-time Transportation Protocol

TBS - Travel Behavior Survey

TDM - Transportation Demand Management

TIA - Traffic Impact Analysis

TIM - Traffic Incident Management

TIMS - Transportation Injury Mapping System

TIP – Transportation Improvement Program

TMA – Transportation Management Area

TPO - Transportation Planning Organization

Triangle West TPO - Triangle West Transportation Planning Organization

TWTPO - Triangle West Transportation Planning Organization

TRM - Triangle Regional Model

TSM - Transportation Systems Management

UPWP - Unified Planning Work Program

VMT - Vehicle Miles Traveled

VOC - Volatile Organic Compound