Acronym or Term

Meaning

ANG

Army National Guard

AVL

Automatic vehicle location

BRW

Three guys names, long since forgotten

CAD

Computer-aided dispatch

CCTV

Closed-circuit television

CDPD

Cellular digital packet data

CMS

Changeable message sign (see DMS)

CPR

Canadian Pacific Railway

CTR

Commute Trip Reduction 

CVISN

Commercial Vehicle Information Systems and Networks

CVO

Commercial vehicle operations

DMS

Dynamic message sign (e.g., new name for and same as variable, changeable message signs)

DSHS

Department of Social and Health Services 

EDI

Electronic data interchange

EMS

Emergency Medical Service(s)

EOC

Emergency operations center

EOC

Emergency Operations Center

GIS

Graphical information system

GPS

Global positioning system

HAR

Highway advisory radio

HOV

High-occupancy vehicle

ITS

Intelligent Transportation Systems

KGY

Public access broadcast radio station (at 1240 AM or 96.9 FM)

LAN

Local-area network

MDT

Mobile data terminal(s)

MTP

Metropolitan Transportation Plan (for Puget Sound Region) 

NWS

National Weather Service

POC

Point of contact

POTS

Plain old telephone service (or system)

PS&P

Puget Sound & Pacific RR

ROW

Right-of-way

RWIS

Road Weather Information System

SR

State route

Stakeholder

 ITS user, operator, deployer or beneficiary with a vested interest in the solution of transportation issues and challenges to benefit their operational or institutional needs, or that of their constituency

TCAD

Traffic and Collision Alert Device 

TCTV

Thurston Community TV (public access cable channel 3, 26, 29)

TOC

Traffic operations center

TRAC

Transportation Research and Analysis Center

TRPC

Thurston Regional Planning Council

User Service

User services document what ITS should do functionally from the user's perspective 

USFS

US Forest Service

WAN

Wide-area network

WIM

Weigh-in-motion

WSDOT

Washington State Department of Transportation

WSDOT

ACCT

WSP

Washington State Patrol

WTA

Washington Trucking Association