USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Portions of the Department of Transportation are currently in shutdown/furlough status due to a lapse in appropriations. Please continue to monitor this page for updates on DOT’s operating status.
U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation
FHWA Highway Safety Programs

Acronyms

4E's Enforcement, Education, Emergency Response, and Engineering
AASHTO American Association of State Highway and Transportation Officials
AHSO Alaska Highway Safety Offices
AOC Association of Oregon Counties
ARTS All-Roads Transportation Safety
ATSC Alaska Traffic Safety Corridor
B/C Benefit/Cost
BSE Bureau of Safety Engineering
CEA Critical Emphasis Area
CEI Cost-Effective Index
CMF Crash Modification Factor
CPM Crash Prediction Model
CRF Crash Reduction Factor
CRS Condition Rating Survey
CUUATS Champaign-Urbana Urbanized Area Transportation Study
DMV Department of Motor Vehicles
DOH Department of Health
DOT Department of Transportation
DOT&PF Department of Transportation & Public Facilities
DPS Department of Public Safety
DSC District Safety Committee
DTS Department of Traffic Safety
DTZ Driving Toward Zero
EPDO Equivalent Property Damage Only
FHWA Federal Highway Administration
FMCSA Federal Motor Carrier Safety Administration
GHSO Governor's Highway Safety Office
GHSP Governor's Highway Safety Program
HSIP Highway Safety Improvement Program
HSM Highway Safety Manual
HSP Highway Safety Plan
ICWS Intersection Cross-Road Warning System
IDOT Illinois Department of Transportation
IRI International Roughness Index
ISP Illinois State Police
LOC League of Oregon Cities
LPA Local Public Agency
LSA Limited Service Agreement
M&S Mobility and Safety
M&SFO Mobility and Safety Field Operations
MassDOT Massachusetts Department of Transportation
MCDOT McHenry County Department of Transportation
MCR Mobile Capture Reporting
MPO Metropolitan Planning Organization
NCDOT North Carolina Department of Transportation
NCHRP National Cooperative Highway Research Program
NHDOT New Hampshire Department of Transportation
NHSP New Hampshire State Police
NHTSA National Highway Traffic Safety Administration
ODOT Oregon Department of Transportation
PH Potentially Hazardous
PSI Potential for Safety Improvement
RMV Registry of Motor Vehicles
ROW Right of Way
RPC Regional Planning Commission
RSA Road Safety Audit
RTE Regional Traffic Engineer
SAFETEA-LU Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users
SHSP Strategic Highway Safety Plan
SPF Safety Performance Function
SRI Safer Roads Index
STIP State Transportation Improvement Program
T&S Traffic & Safety
TESS Traffic Engineering and Safety Section
TIP Transportation Improvement Plan
TSAP Transportation Safety Action Plan
TSD Transportation Safety Division
UDOT Utah Department of Transportation
UNC-HSRC University of North Carolina Highway Safety Research Center
USDOT United States Department of Transportation
usRAP United States Road Assessment Program