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Glossary

Taxonomy Acronyms
Click one of the letters above to advance the page to terms beginning with that letter.

A

AMS

Analysis, Modeling, and Simulation

APID

Caltrans' District 7 All-Purpose Incident Detection Algorithm

ATM

Active Traffic Management

ATSAC

Automated Traffic Surveillance and Control System

B

BF

Boundary Flow

C

CAD

CHP's Computer-Aided Dispatch System

Caltrans

California Department of Transportation

CARB

California Air Resources Board

CC Pilot

I-120 Connected Corridors Pilot (San Gabriel Valley/Los Angeles County)

CCTW

Closed-Circuit Television Cameras

CHP

California Highway Patrol

CMS

Changeable Message Sign

ConOps

Concept of Operations

CSMP

Corridor System Management Plan

CSP

Metro's Countywide Bus Signal Priority Pilot Project

CTM

Cell Transmission Model

D

DCCM

Dynamic Corridor Congestion Management

DCRMS

Dynamic Corridor Ramp Metering System

DOT

Department of Transportation

DSS

Descision Support System

E

EJ

Environmental Justice

EO

Executive Order

F

FD

Fundamental Diagram

FHWA

Federal Highway Administration

FSP

Freeway Service Patrol

G

GHG

Greenhouse Gas

H

HAR

Highway Advisory Radio

HOV

High Occupancy Vehicle Lane

I

ICM

Integrated Corridor Management

IEN

Information Exchange Network

ITS

Intelligent Transportation Systems

K

KITS

Kimley-Horn's Integrated Transportation System

L

LACDPW

Los Angeles County Department of Public Works

LADOT

City of Los Angeles Department of Transportation

LARTMC

Los Angeles Regional Traffic Management Center

LCS

Caltrans' Lane Closure System

LOS

Level of Service

LRTP

Long Range Transportation Plan

M

MAP-21

Moving Ahead for Progress in the 21st Century Act (Signed by President Obama on July 2, 2012)

Metro (LA Metro)

Los Angeles County Metropolitan Transportation Authority

MOU

Memorandum of Understanding

MPO

Metropolitan Planning Organization

P

Pasadena ARTS

Pasadena Area Transit System

PATH

Partners for Advanced Transportation Technology at UC Berkeley

PeMS

Performance Measurement System

R

RIITS

Regional Integration of Intelligent Transportation Systems

RTP

Regional Transportation Plan

RTPA

Regional Transportation Planning Agency

S

SCAG

Southern Califronia Association of Governments

SCAQMD

South Coast Air Quality Management District

SCATS

Sydney Coordinated Adaptive Traffic Systems

SEMP

System Engineering Management Plan

SGP

Strategic Growth Plan

SGVC

San Gabriel Valley Council of Governments

SR

Split Ratio

SWARM

System Wide Area Ramp Metering Project

T

TASAS

Traffic Accident Surveillance and Analysis System

TCR

Transportation Concept Report

TMC

Transportation Management Center

TMT

Caltrans Traffic Management Team

TOPL

Tools for Operational Planning

TSM

Transportation System(s) Management

TSP

Traffic Signal Synchronization Program (Los Angeles County)

TT

Travel Time

V

VDS

Vehicle Detection Station

VHT

Vehicle Hours Traveled

VMT

Vehicle Miles Traveled

X

XML

Extensible Markup Language