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Acronyms

A

AAR

Association of American Railroads

AASHTO

American Association of State Highway and Transportation Officials

ACC

Adaptive cruise control

ACN

Automatic collision notification

ADIS

Advanced driver information system

ADUS

Archived Data User Service

AHS

Automated highway system or advanced highway system

ALI

Automatic location identification

ANI

Automatic number identification

ANSI

American National Standards Institute

AP

Application profile

API

Application program interface

APL

(The Johns Hopkins University) Applied Physics Laboratory

APTA

American Public Transit Association

APTS

Advanced public transportation systems

AREMA

American Railway Engineering and Maintenance of Way Association

ARINC

Aeronautical Radio Incorporated

ARSI

Automated roadside safety inspection

ARTS

Advanced rural transportation systems

Accredited Standards Committee

Accredited Standards Committee (of ANSI)

ASC

Actuated signal controller

ASCE

American Society of Civil Engineers

ASLRRA

American Short Line and Regional Railroad Association

ASN.1

Abstract Syntax Notation-1

ATA

American Trucking Association

ATC

Advanced transportation controller

ATCS

Advanced train control system

ATIS

Advanced traveler information system

ATMS

Advanced traffic management system

AVC

Automated vehicle classification

AVCS

Advanced vehicle control systems

AVI

Automatic vehicle identification

AVL

Automatic vehicle location

AVLS

Automatic vehicle location system

AVM

Automatic vehicle monitoring

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B

BER

Basic encoding rules

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C

C2C

Center-to-center

C2F

Center-to-field

CAD

Computer-aided dispatch

CalTrans

California Department of Transportation

CBTC

Communications-based train control

CCTV

Closed circuit television

CDMA

Code division multiple access

CDPD

Cellular digital packet data

CEMA

Consumer Electronics Manufacturers Association

CFR

Code of Federal Regulations

CMS

Changeable message sign

CORBA

Common object request broker architecture

CP

Class profile

CSA

Canadian Standards Association

CTAA

Community Transit Association of America

CVISN

Commercial vehicle information systems and networks

CVO

Commercial vehicle operations

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D

DARC

Data radio channel

DATEX

Data exchange

DD

Data dictionary

DE

Data element

DGPS

Differential global positioning system

DISA

Data Interchange Standards Association

DMS

Dynamic message sign

DMV

Department of Motor Vehicles

DOT

Department of Transportation

DR

Data registry

DRE

Disaster response and evacuation

DRGS

Dynamic route guidance system

DS

Data set

DSRC

Dedicated short range communications

DTF

Deployment Task Force (FHWA)

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E

E-911

Enhanced 911

EBS

Emergency broadcasting system

EDI

Electronic data interchange

EFT

Electronic funds transfer

EIA

Electronics Industry Alliance

EMC

Emergency management center

EMS

Emergency management system

EMS

Emergency medical services

EOC

Emergency operations center

ERTICO

European Road Transport Telematics Implementation Coordination Organization

ESS

Environmental sensor station or environmental sensor system

ETC

Electronic toll collection

ETMCC

External traffic management center communication

ETS

Emergency telephone system

ETTM

Electronic toll and traffic management

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F

FARS

Fatal Accident Reporting System (NHTSA)

FCC

Federal Communications Commission

FCW

Front collision warning

FHWA

Federal Highway Administration (of USDOT)

FMCSA

Federal Motor Carrier Safety Administration

FP2FP

Fixed-point to fixed-point

FRA

Federal Railroad Administration (of USDOT)

FSK

Frequency shift keying

FTA

Federal Transit Administration (of USDOT)

FTP

File transfer protocol

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G

GDF

Geographic data file

GIS

Geographic information system

GPS

Global positioning system

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H

HAR

Highway advisory radio

HAZMAT

Hazardous materials

HDLC

High-level data-link control

HHI

Highway-highway intersection

HOV

High occupancy vehicle

HPMS

Highway Performance Monitoring System (FHWA)

HRI

Highway-rail intersection

HSAS

Homeland Security Advisory System

HSR

High speed rail

HTML

Hypertext Markup Language

HTTP

Hypertext Transfer Protocol

HUD

Head-up display

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I

IAB

Internet Activities Board

ICC

Intelligent cruise control

IDB

ITS Data Bus

IEC

International Electrotechnical Commission

IEEE

Institute of Electrical and Electronics Engineers

INCH

Implementing NTCIP Compliant Hardware

IP

Internet protocol

ISO

International Organization for Standardization

ISP

Information service provider

ISTEA

Intermodal Surface Transportation Efficiency Act (of 1991)

ITE

Institute of Transportation Engineers

ITIS

International Traveler Information Systems

ITS

Intelligent transportation systems

ITSA

Intelligent Transportation Society of America

ITU

International Telecommunications Union

IVHS

Intelligent vehicle highway systems

IVIS

In-vehicle information system

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J

JPL

Jet Propulsion Laboratory

JPO

Joint Program Office (of FHWA)

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K

L

LAN

Local area network

LCD

Liquid Crystal Display

LED

Light Emitting Diode

LMS

Location and monitoring service

LRMS

Location reference message specification

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M

MARAD

Maritime Administration (of USDOT)

MCMIS

Motor Carrier Management Information System

MIB

Management information base

MMI

Man machine interface

MPO

Metropolitan planning organization

MS

Message set

MS/ETMCC

Message Set for External TMC Communication

MULTI

Mark-up Language for Transportation Information

MUTCD

Manual on Uniform Traffic Control Devices

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N

NAB

National Association of Broadcasters

NAWG

National Association of Working Groups (FHWA)

NEMA

National Electrical Manufacturers Association

NENA

National Emergency Number Association

NHI

National Highway Institute

NHTSA

National Highway Traffic Safety Administration (of USDOT)

NIPC

National Infrastructure Protection Center

NIST

National Institute of Standards and Technology

NRC

National Research Council

NRSC

National Radio Systems Committee

NSF

National Science Foundation

NTCIP

National Transportation Communications for ITS Protocol

NTI

National Transit Institute

NTIA

National Telecommunications and Information Administration

NTOC

National Transportation Operations Coalition

NTSB

National Transportation Safety Board

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O

OEM

Original Equipment Manufacturer

OER

Octet encoding rules

ORNL

Oak Ridge National Laboratory

OSI

Open systems interconnection

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P

PCB

Professional Capacity Building (FHWA and FTA)

PCS

Personal communications services

PER

Packed encoding rules

PMPP

Point-to-multipoint protocol

PPP

Point-to-point protocol

PSAP

Public safety answering point

PTC

Positive train control

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Q

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R

RBDS

Radio broadcast data system

RDS

Radio data system

RFP

Request For Proposal

RPI

Railroad Progress Institute

RPO

Regional Planning Organization

RSE

Roadside equipment

RTCM

Radio Technical Commission for Maritime Services

RWIS

Road weather information system

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S

SAE

Society of Automotive Engineers

SAFER

Safety and Fitness Electronic Records (FHWA)

SAFETEA-LU

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

SDO

Standards development organization

SIA

Security Industry Association

SNMP

Simple network management protocol

SONET

Synchronous Optical Network

SQL

Structured Query Language

SSR

Standard speed rail

STIC

Subcarrier traffic information channel

STMF

Simple transportation management framework

STMP

Simple transportation management protocol

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T

TCC

Train control center

TCIP

Transit Communication Interface Protocol

TCP

Transmission control protocol

TEA-21

Transportation Equity Act for the 21st Century

TFTP

Trivial file transfer protocol

TIA

Telecommunications Industry Association

TM

Traffic management

TMC

Transportation management center or traffic management center

TMDD

Traffic management data dictionary

TMS

Transportation management system or traffic management system

TOC

Transportation operations center or
Traffic operations center

TRB

Transportation Research Board (National Research Council)

TS

Transaction set

TSC

Transit Standards Consortium

TSS

Transportation sensor system

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U

UDP

User Datagram Protocol

U.S.

DOT United States Department of Transportation

U.S. TAG

U.S. Technical Advisory Group (to ISO Technical Committee)

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V

VERTIS

Vehicle, Road and Traffic Intelligence Society

VIN

Vehicle identification number

VMS

Variable message sign

VPAS

Vehicle proximity alert system

VRC

Vehicle roadside communications

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W

WAN

Wide area network

WIM

Weigh in-motion

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WWW

World Wide Web

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XYZ

XML

eXtensible Markup Language

For a more comprehensive ITS acronyms listing: Back to top