
| BAC | Blood alcohol content |
| BTSCRP | Behavioral Traffic Safety Cooperative Research Program |
| CMF | Crash modification factors |
| DOT | Department of transportation |
| EMS | Emergency medical services |
| FARS | Fatality Analysis Reporting System |
| FHWA | Federal Highway Administration |
| HFG | Human Factors Guidelines |
| HFIM | Human Factors Interaction Matrix |
| HSIP | Highway Safety Improvement Program |
| HSM | Highway Safety Manual |
| IHSDM | Interactive Highway Safety Design Model |
| MMI | Most meaningful information |
| MUTCD | Manual on Uniform Traffic Control Devices |
| NACTO | National Association of City Transportation Officials |
| NCHRP | National Cooperative Highway Research Program |
| NCSA | National Center for Statistics and Analysis |
| NDS | Naturalistic driving study |
| NHTSA | National Highway Traffic Safety Administration |
| NMVCCS | National Motor Vehicle Crash Causation Survey |
| NTSB | National Transportation Safety Board |
| PDO | Property damage only |
| PIARC | Permanent International Association of Road Congresses |
| PPE | Personal protective equipment |
| PRT | Perception-response time |
| RSA | Road Safety Audit |
| RSAR | Road Safety Audit Review |
| SHSP | Strategic Highway Safety Plans |
| SHRP 2 | Strategic Highway Research Program 2 |
| SPF | Safety performance function |
| TAWL | Task Analysis/Workload |
| TSM&O | Transportation Systems Management and Operations |
| usRAP | United States Road Assessment Program |
| VRU | Vulnerable road users |