3-C
 = Continuing Comprehensive & Cooperative Planning Process
AAA
 = Area Agency on Aging
AADT
 = Annual Average Daily Traffic
AASHTO
 = American Association of State Highway & Transportation Officials
ADA
 = Americans with Disabilities Act
AMPO
 = Association of Metropolitan Organizations
APA
 = American Planning Association
CAA
 = Clean Air Act
CAAA
 = Clean Air Act Amendment
CAC
 = Citizens Advisory Committee
CE
 = Categorial Exclusions
CFR
 = Code of Federal Regulations
CIA
 = Community Impact Assessment
CIP
 = Capital Improvements Program
CMAQ
 = Congestion Mitigation & Air Quality Program
CMS
 = Congestion Management System
CO
 = Carbon Monoxide
CRAFT
 = Charlotte Regional Alliance for Transportation
CTC
 = Community Transportation Coordinator
CTP
 = Comprehensive Transportation Plan
CTPP
 = Census Transportation Planning Package
DAQ
 = Division of Air Quality
DAR
 = Defense Access Road
DEIS
 = Draft Environmental Impact Statement
DMV
 = Division of Motor Vehicles
DOD
 = Department of Defense
DOE
 = Department of Energy
DOT
 = Department of Transportation
EA
 = Environmental Assessments
EAC
 = Early Action Compact
EDTAP
 = Elderly and Disabled Transportation Assistance Program
EIS
 = Environmental Impact Statement
EJ
 = Environmental Justice
EPA
 = Environmental Protection Agency
FAA
 = Federal Aviation Administration
FEIS
 = Final Environmental Impact Statement
FHWA
 = Federal Highway Administration
FONSI
 = Finding of No Significant Impacts
FPNP
 = Force Protection Needs Plan
FRA
 = Federal Railroad Administration
FTA
 = Federal Transit Administration
GIS
 = Geographic Information Systems
GPS
 = Global Positioning Systems
HC
 = Hydrocarbons
HOV
 = High Occupancy Vehicle
HSTS
 = Human Service Transportation System
I/M
 = Inspections & Maintenance
IHS
 = Interstate Highway System
ISTEA
 = Intermodal Surface Transportation Efficiency Act
ITRE
 = Institute for Transportation Research & Education
ITS
 = Intelligent Transportation System
LEDPA
 = Least Environmentally Damaging Practicable Alternative
LOS
 = Level of Service
LPA
 = Lead Planning Agency
LTRP
 = Long Range Transportation Plan
M&O
 = Management & Operations
MAB
 = Metropolitan Area Boundary
MBE
 = Minority Business Enterprise
MCB
 = Metropolitan Capacity Building Program
MIS
 = Major Investment Study
MLI
 = Minority Low Income
MOA
 = Memorandum of Agreement
MOE
 = Measure of Effectiveness
MPO
 = Metropolitan Planning Organization
MSA
 = Metropolitan Statistical Area
MTIP
 = Metropolitan Transportation Improvement Program
MTMC
 = Military Traffic Management Command
PL
 = Planning Funds
NAAQS
 = National Ambient Air Quality Standards
NCBOT
 = North Carolina Board of Transportation
NCDENR
 = North Carolina Department of Environmental & Natural Resources
NCDOT
 = North Carolina Department of Transportation
NCPTA
 = North Carolina Public Transportation Association
NEPA
 = National Environmental Policy Act
NHI
 = National Highway Institute
NHS
 = National Highway System
Nox
 = Nitrogen Oxides
O3
 = Ozone
O/D
 = Origin & Destination
PM-2.5
 = Small Particulate Matter
PTD
 = Public Transportation Division
RFP
 = Request for Proposal
RGP
 = Rural General Public
ROAP
 = Rural Operating Assistance Program
ROD
 = Record of Decision
SAFETEA
 = Safe Accountable Flexible & Efficient Transportation Equity Act
SOV
 = Single Occupancy Vehicle
SIP
 = State Implementation Plan
STIP
 = State Transportation Improvement Plan
STP
 = Surface Transportation Program
TAB
 = Transportation Advisory Board
TAC
 = Transportation Advisory Committee
TAZ
 = Traffic Analysis Zone
TCC
 = Transportation Coordinating Committee
TCM
 = Traffic Control Measure
TDM
 = Transportation Demand Management
TEA21
 = Transportation Efficiency Act for the 21st Century
TIP
 = Transportation Improvement Program
TMA
 = Transportation Management Area
TSM
 = Transportation System Management
TSS
 = Traffic Separation Study
UZA
 = Urbanized Area
UPWP
 = Unified Planning Work Program
VMT
 = Vehicle Miles Traveled
VOR
 = Vehicle Occupancy Rates