Motorized Vehicle Safety

This methodological report describes survey research and data collection methods employed for the first observational survey of cell phone use and texting by California drivers. This study was conducted by Ewald and Wasserman Research Consultants on behalf of the California Office of Traffic Safety and the Safe Transportation Research and Education Center at the University of California, Berkeley. The goal of the survey was to obtain a statewide, statistically representative observational sample. Vehicle drivers were observed at controlled intersections, such as traffic lights and stop...

2022 marked the thirteenth year of the Office of Traffic Safety (OTS) California’s Annual Traffic Safety Study. The study is intended to create a better understanding of trends in traffic safety behaviors and help focus traffic safety programs, which include enforcement efforts along with public education campaigns to ensure they are effective in targeting areas with disproportionate traffic safety injuries. The survey is sponsored by the OTS while being administered by Ewald and Wasserman Research Consultants along with University of California Berkeley Safe Transportation Research and...