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Transportation Terms – Acronyms
TRANSPORTATION TERMSACRONYMS
The following acronyms and abbreviations are used in planning documents produced by the Boston Region Metropolitan Planning Organization.

A

AFC
automated fare collection
APC
automatic passenger counter

B

BMS
bridge management system
BRT
bus rapid transit
BTPR
Boston Transportation Planning Review

C

CAAA
Clean Air Act Amendments of 1990
CANA
Central Artery North Area
CA/T
Central Artery/Tunnel
CMAQ
Congestion Mitigation and Air Quality
CMS
congestion management system
CO
carbon monoxide
CTPS
Central Transportation Planning Staff

D

DCR
Department of Conservation and Recreation
DEP
Department of Environmental Protection
DOER
Department of Energy Resources

E

EIS
environmental impact statement
EOEA
Executive Office of Environmental Affairs
EOTPW
Executive Office of Transportation and Public Works
EPA
Environmental Protection Agency

F

FHWA
Federal Highway Administration
FTA
Federal Transit Administration

H

HOV
high-occupancy vehicle
HSMP
Highway Safety Management Program

I

IMS
Intermodal Facilities and Systems Management System
ISTEA
Intermodal Surface Transportation Efficiency Act of 1991
ITS
intelligent transportation systems

L

LOS
level of service

M

MAPC
Metropolitan Area Planning Council
MassHighway / MHD
Massachusetts Highway Department
MassPike / MTA
Massachusetts Turnpike Authority
Massport / MPA
Massachusetts Port Authority
MBTA
Massachusetts Bay Transportation Authority
MEPA
Massachusetts Environmental Policy Act
MIS
major investment study
MOE
measure of effectiveness
MPO
metropolitan planning organization

N

NAAQS
National Ambient Air Quality Standards
NEPA
National Environmental Policy Act
NOx
nitrogen oxides
NTD
National Transit Database
NTS
National Transportation System

P

PMS
pavement management system
PMT
Program for Mass Transportation

R

RPA
regional planning agency
RTA
regional transit authority
RTP
Regional Transportation Plan

S

SAFETEA-LU
Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users
SAR
Strategic Assessment Report
SIP
State Implementation Plan
SOV
single-occupant vehicle
STIP
State Transportation Improvement Program

T

TAZ
transportation analysis zone or traffic analysis zone
TCM
transportation control measure
TDM
transportation demand management
TEA-21
Transportation Equity Act for the 21st Century
3C
comprehensive, continuous, and cooperative
TIP
Transportation Improvement Program
TMA
Transportation Management Association or Transportation Management Area

U

UPWP
Unified Planning Work Program

V

VOCs
volatile organic compounds

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