AASHTO Strategic Highway Safety Plan

Glossary of Acronyms and other Terms Used in Implementation Guides

Acronym or Term

Meaning

Comments

3R

Rehabilitation, resurfacing and restoration

Refers to type of project that is intended to be less comprehensive than complete reconstruction

AAA

American Automobile Association

 

AAAM

Association for the Advancement of Automotive Medicine

 

AAMVA

American Association of Motor Vehicle Administrators

 

AASHTO

American Association of State Highway and Transportation Officials

 

ADAT

Aggressive Driving Apprehension Team

Washington State Patrol

ADT

Average Daily Traffic

 

AG

Aggressive Driving

 

AMA

American Medical Association

 

AMF (or CMF)

Accident Modification Factor

Also may be referred to as Crash Modification Factor

ARTBA

American Road and Transportation Builders Association

 

ASCE

American Society of Civil Engineers

 

AWS

Accident Warning System

 

B/C

Benefit-Cost Ratio

 

BCT

Breakaway cable terminal

End treatment for guardrail

CAE

Computer Aided Engineering

 

CCS

Collision Countermeasure System

 

CDL

Commercial Driver’s License

 

CHSIM

Comprehensive Highway Safety Improvement Model

Recently changed name to The SafetyAnalyst

CSD

Context Sensitive Design

 

DDC-ADD

Defensive Driving Course – Attitudinal Dynamics of Driving

 

DDSS

Design Decision Support System

 

DES

Detailed Engineering Studies

 

DMV

Department of Motor Vehicles

 

DOT

Department of Transportation

 

DUI/DWIDUI

Driving under the influence (of alcohol or drugs)/Driving while impaired

 

DUS

Driving under suspension (of driver’s license)

 

DWR

Driving While Revoked

 

DWS

Driving While Suspended

 

EM

Electronic monitoring

 

FARS

Fatality Analysis Reporting System

Formerly referred to as Fatal Accident Reporting System

FHWA

Federal Highway Administration

Division of the US Department of Transportation

F+I

Fatal plus injury (crash)

 

GHSA

Governors Highway Safety Association

Formerly NAGHSR (National Association of Governors’ Highway Safety Representatives)

Green Book

AASHTO Policy on Geometric Design of Highways

 

H.A.D.

Halt Aggressive Driving

Lubbock, TX

HAL

High Accident Location

 

HCM

Highway Capacity Manual

TRB Publication

HES

Hazard Elimination Study

 

HO

Head On (accident)

 

HOS

Hours of Service

For commercial vehicle drivers

HRR

Highway Research Record

TRB Publication

HSIS

Highway Safety Information System

 

HSM

Highway Safety Manual

 

IES

Illumination Engineering Society

 

IHSDM

Interactive Highway Safety Design Model

 

IID

Ignition interlock device

 

ISD

Intersection Sight Distance

 

ITE

Institute of Transportation Engineers

 

LCCA

Life Cycle Cost Analysis

 

MAB

Medical Advisory Board

State-level organization

MADD

Mothers Against Drunk Driving

 

MUTCD

Manual of Uniform Traffic Control Devices

FHWA Publication

NCHRP

National Cooperative Highway Research Program

 

NHI

National Highway Institute

FHWA Training Office

NHTSA

National Highway Traffic Safety Administration

Division of the US Department of Transportation

NSC

National Safety Council

 

NTSB

National Transportation Safety Board

 

NYSTA

New York State Thruway Authority

 

PCR

Police Crash Report

 

PDO

Property Damage Only (accident)

 

PI&E

Public Information & Education

 

RDG

Roadside Design Guide

AASHTO Publication

RID

Remove Intoxicated Drivers

Citizen group

ROR

Run-Off-Road (accident)

 

ROW

Right-of-Way

 

RPM

Raised Pavement Marker

 

RSA

Road Safety Audit

 

RSPM

Raised Snowplowable Pavement Marker

 

SADD

Students Against Destructive Decisions

 

SBPD

Santa Barbara (CA) Police Department

 

SHSP

Strategic Highway Safety Plan

 

SKARP

Skid Accident Reduction Program

 

SPF

Safety Performance Function

 

SSD

Stopping Sight Distance

 

SUV

Sports Utility Vehicle

 

SV

Single Vehicle (accident)

 

TCD

Traffic Control Device

 

TRB

Transportation Research Board

 

TRR

Transportation Research Record

TRB Publication

TRRL

Transport and Road Research Laboratory

United Kingdom organization

TSIMS

Transportation Safety Information Management System

Developed by AASHTO

TTI

Texas Transportation Institute

 

TWLTL

Two way left turn lane

 

U/S/R

Unlicensed/suspended/revoked

Drivers without licenses, or whose licenses have been suspended or revoked

UVC

Uniform Vehicle Code

Model national traffic law

WSP

Washington State Patrol

 

 

See also: Glossary of Transportation Terms On-line: http://transweb.sjsu.edu/comglos2.htm#P