Quarterly Reports > April 2021
Quarterly Report on Traffic Developments
Abbreviations
| AADT | Average Annual Daily Traffic |
|---|---|
| AAR | Accident Acceleration Rate |
| AJR | Actuarially Justified Rates |
| AVR | Actuarially Verified Rates |
| BLS | Bureau of Labor Statistics (DOL) |
| BTS | Bureau of Transportation Statistics (USDOT) |
| CATSIP | CA Active Transportation Safety Information Pages |
| CDPH | California Department of Public Health |
| CHP | California Highway Patrol |
| CLF | Civilian Labor Force |
| COVID-19 | Coronavirus Disease of 2019 |
| DOL | Department of Labor |
| DDF | Distracted Driving Fatality |
| FHA | Federal Highway Administration |
| FLHSMV | Florida Highway Safety and Motor Vehicles |
| GFC | Great Financial Crisis |
| GSL | Go Safe Labs |
| GSM | Go Safe Map |
| HTF | Highway Trust Fund |
| ITF | International Transport Forum (OECD) |
| ITSMR | Institute For Traffic Safety Management and Research (NY) |
| KSP | Kentucky State Patrol |
| MaineDOT | Maine Department of Transportation |
| MMUCC | Model Minimum Uniform Crash Criteria |
| NFP | Non-farm Payroll |
| NHTSA | National Highway Traffic Safety Administration |
| OECD | Organization of Economic Cooperation and Development |
| OHPI | Office of Highway Policy Information (FHA) |
| OTS | Office of Traffic Safety (CDHP) |
| OSHP | Ohio State Highway Patrol |
| RAC | Regular Accident |
| RVDT | Rural Vehicle Distance Traveled |
| SA | Seasonally Adjusted |
| SAC | Serious Accident |
| SEAL0 | Society of Automotive Engineers Automation Level 0 -- None |
| SEAL1 | Society of Automotive Engineers Automation Level 1 -- Driver Assist |
| SEAL2 | Society of Automotive Engineers Automation Level 2 -- Partial |
| SEAL3 | Society of Automotive Engineers Automation Level 3 -- Conditional |
| SEAL4 | Society of Automotive Engineers Automation Level 4 -- High |
| SEAL5 | Society of Automotive Engineers Automation Level 5 -- Full |
| SWITRS | California Statewide Integrated Traffic Records System |
| TIMS | Transportation Injury Mapping System |
| TSHP | Tennessee State Highway Patrol |
| THUD | Departments of Transportation, and House and Urban Development |
| UDPS | Utah Department of Public Safety |
| USDOT | United States Department of Transportation |
| UVDT | Urban Vehicle Distance Traveled |
| VDT | Vehicle Distance Traveled |
| VMT | Vehicle Miles Traveled |
| VTRANS | Vermont Agency of Transportation |
| WSDOT | Washington State Department of Transportation |