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Transportation Acronyms/Initialisms: What does this mean?

AAR

Association of American Railroads

AASHTO

American Association of State Highway & Transportation Officials

ADT

Average Daily Traffic

APA

American Planning Association

APR

Advanced Planning Report

ARRA

American Recovery and Reinvestment Act

ATSSA

American Traffic Safety Services Association

CMAQ

Congestion Mitigation and Air Quality

DMS

Dynamic Message Signs

EA

Environmental Assessment

EIS

Environmental Impact Statement

EPD

Expedited Project Delivery

FAA

Federal Aviation Administration

FBO

fixed base operator

FHWA

Federal Highway Administration

FONSI

Finding Of No Significant Impact

FRA

Federal Railroad Administration

FSR

Final Scoping Report

FTA

Federal Transit Administration

GHSO

Governor’s Highway Safety Office

HES

Hazard Elimination Safety

HOV

High Occupancy Vehicle

ITE

Institute of Transportation Engineers

ITS

Intelligent Transportation System

LIC

Local Interstate Connector

LM

log mile

LTAP

Local Transportation Assistance Program

MAP-21

Moving Ahead for Progress in the 21st Century

MPO

Metropolitan Planning Organization

MUTCD

Manual on Uniform Traffic Control Devices

NASAO

National Association of State Aviation Officials

NEPA

National Environmental Policy Act

NHI

National Highway Institute

NHTSA

National Highway Traffic Safety Administration

NTSB

National Transportation Safety Board

OCT

Office of Community Transportation

PE

Preliminary Engineering

PM

Project Manager

PMS

Pavement Management System

PPRM

Program, Project & Resource Management System

PS&E

Plans, Specifications, and Estimates

RAC

Record-A-Comment

RFP

Request for proposal

RPO

Rural Planning Organizations

RR

Railroad

RTA

Regional Transportation Authority

SASHTO

Southern Association of State Highway & Transportation Officials

SHPO

State Historic Preservation Office

SHRP

Strategic Highway Research Program

SIA

State Industrial Access

STIP

Statewide Transportation Improvement Program

STP

Surface Transportation Program

TDEC

Tennessee Department of Environment and Conservation

TIP

Transportation Improvement Plan

TMC

Transportation Management Center

TRB

Transportation Research Board

TRIMS

Tennessee Roadway Information Management System

TSIS

TDOT SmartWay Information System

TTAP

Tennessee Transportation Assistance Program

VMT

Vehicle Miles of Travel