ACS

Adaptive Control System

CLEEN

Continuous Low Energy Emissions and Noise

CMV

Commercial Motor Vehicle

COMSTAC

Commercial Space Transportation Advisory Committee

CVISN

Commercial Vehicle Information Systems and Networks

DoD

Department of Defense

DOT

Department of Transportation

ETL

Exclusive Truck Lane

FAA

Federal Aviation Administration

FHWA

Federal Highway Administration

FMCSA

Federal Motor Carrier Safety Administration

FRA

Federal Railroad Administration

FTA

Federal Transit Administration

FY

Fiscal Year

GAO

Government Accountability Office

GP

General Purpose

HOT

High-Occupancy Toll

ITS

Intelligent Transportation Systems

LED

Light Emitting Diode

LTBP

Long-Term Bridge Performance

NAS

National Academy of Sciences

NASA

National Aeronautics and Space Administration

NDGPS

Nationwide Differential Global Positioning System

NextGen

Next Generation Air Transportation System

NHTSA

National Highway Traffic Safety Administration

NRC

National Research Council

OMB

Office of Management and Budget

OST

Office of the Secretary of Transportation

PART

Program Assessment Rating Tool

PHMSA

Pipeline and Hazardous Materials Safety Administration

R&D

Research and Development

RD&T

Research, Development and Technology

RE&D

Research, Engineering and Development

REDAC

Research, Engineering and Development Advisory Committee

RITA

Research and Innovative Technology Administration

RTCC

Research and Technology Coordinating Committee

SAFETEA-LU

Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users

SHRP

Future Strategic Highway Research Program

STRDD

Surface Transportation Research, Development, and Deployment

TCRP

Transit Cooperative Research Program

TPR&D

Transportation Planning, Research, and Development

TRAC

Transit Research Analysis Committee

TRB

Transportation Research Board

UTC

University Transportation Center