Implementation of Federal Highway Administration Proven Safety Countermeasures (2025)
Chapter: List of Abbreviations
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Suggested Citation:
"List of Abbreviations." National Academies of Sciences, Engineering, and Medicine. 2025. Implementation of Federal Highway Administration Proven Safety Countermeasures. Washington, DC: The National Academies Press.
doi: 10.17226/28855.
List of Abbreviations
| AADT | Annual average daily traffic |
| ADT | Average daily traffic |
| Caltrans | California Department of Transportation |
| CMF | Crash modification factor |
| DOT | Department of Transportation |
| FHWA | Federal Highway Administration |
| HFST | High friction surface treatment |
| HSIP | Highway Safety Improvement Program |
| ICE | Intersection control evaluation |
| ITE | Institute of Transportation Engineers |
| LPI | Leading pedestrian interval |
| LRSP | Local road safety plan |
| LTAP | Local Technical Assistance Program |
| MUTCD | Manual on Uniform Traffic Control Devices |
| PHB | Pedestrian hybrid beacon |
| PROWAG | Public Right-of-Way Accessibility Guidelines |
| PSC | Proven safety countermeasure |
| RCUT | Restricted crossing U-turn |
| RRFB | Rectangular rapid flashing beacon |
| RSA | Road safety audit |
| SC | Safety countermeasures |
| SHSP | Strategic Highway Safety Plan |
| SSC | Speed safety camera |
| STEP | Safe Transportation for Every Pedestrian |
| VSL | Variable speed limit |
| VTrans | Vermont Agency of Transportation |
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