| AADT | Average Annual Daily Traffic |
| ARC | Atlanta Regional Commission |
| CAT | Collision Assessment Tool |
| CMF | Crash Modification Factors |
| CMMI | Capability Maturity Model Integration |
| CPM | Crash Prediction Module |
| DOT | Department of Transportation |
| FHWA | Federal Highway Administration |
| FI | Fatality and Injury |
| GIS | Geographic Information System |
| HPMS | Highway Performance Monitoring System |
| HSEC | Highway Safety Executive Committee |
| HSIG | Highway Safety Issue Group |
| HSIP | Highway Safety Improvement Program |
| HSM | Highway Safety Manual |
| IHSDM | Interactive Highway Safety Design Model |
| ISAT | Interchange Safety Analysis Tool |
| KTT | Knowledge and Technology Transfer |
| MS | Microsoft |
| NCDOT | North Carolina Department of Transportation |
| NHI | National Highway Institute |
| NHS | National Highway System |
| NHTSA | National Highway Traffic Safety Administration |
| PBCAT | Pedestrian and Bicycle Crash Analysis Tool |
| PDO | Property-Damage Only |
| RCW | Revised Code of Washington |
| RPS | Road Protection Score |
| RTP | Regional Transportation Plans |
| SHSP | Strategic Highway Safety Plans |
| SSAM | Surrogate Safety Assessment Model |
| STIP | State Transportation Improvement Plan |
| TIP | Transportation Improvement Program |
| TOT | Total |
| VMT | Vehicle Miles Traveled |
| WSDOT | Washington State Department of Transportation |
USA Banner
An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
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.