| AAA |
American Automobile Association |
| AAMVA |
American Association of Motor Vehicle Administrators |
| ALR |
administrative license revocation |
| ARIMA |
autoregressive integrated moving average |
| BAC |
blood alcohol concentration |
| BHSI |
Bicycle Helmet Safety Institute |
| BLS |
Bureau of Labor Statistics |
| BrAC |
breath alcohol concentration |
| BRFSS |
Behavioral Risk Factor Surveillance System |
| CDC |
Centers for Disease Control and Prevention |
| CIOT |
Click It or Ticket |
| CODES |
Crash Outcome Data Evaluation System |
| DMV |
department of motor vehicles |
| DOT |
U.S. Department of Transportation |
| DWI |
driving while intoxicated |
| DWS |
driving while suspended |
| DWU |
driving while unlicensed |
| FARS |
Fatality Analysis Reporting System |
| FBI |
Federal Bureau of Investigation |
| FHWA |
Federal Highway Administration |
| FMVSS |
Federal Motor Vehicle Safety Standards |
| FTE |
full-time equivalent |
| FY |
fiscal year |
| GAO |
U.S. General Accounting Office, before July 7, 2004 |
| GES |
General Estimates System |
| GHSA |
Governors Highway Safety Association |
| ICC |
Illinois Commerce Commission |
| ICU |
intensive care unit |
| IDOT |
Illinois Department of Transportation |
| IIHS |
Insurance Institute for Highway Safety |
| ITE |
Institute of Transportation Engineers |
| MAIS |
maximum abbreviated injury score |
| NASS |
National Automotive Sampling System |
| NCHRP |
National Cooperative Highway Research Program |
| NCSL |
National Conference of State Legislatures |
| NCUTLO |
National Committee on Uniform Traffic Laws and Ordinances |
| NEISS-AIP |
National Electronic Injury Surveillance System—All Injury Program |
| NHTSA |
National Highway Traffic Safety Administration |
| NightCAP |
Nighttime Concentrated Alcohol Patrol |
| NOPUS |
National Occupant Protection Use Survey |
| NSC |
National Safety Council |
| NTSB |
National Transportation Safety Board |
| OLS |
ordinary least squares |
| OUI |
operating under the influence |
| PAS |
passive alcohol sensor |
| PennDOT |
Pennsylvania Department of Transportation |
| PIRG |
Public Interest Research Group |
| RDP |
Rural Demonstration Program |
| SBT |
selective breath testing |
| SFST |
Standardized Field Sobriety Test |
| S/R |
driver with a suspended or revoked license |
| STEP |
Selective Traffic Enforcement Program |
| TBI |
traumatic brain injury |
| TIRF |
Traffic Injury Research Foundation |
| UNC |
University of North Carolina |
| U.S. PIRG |
U.S. Public Interest Research Group |
| WHO |
World Health Organization |
| WISQARS |
Web-based Injury Statistics Query and Reporting System |