To add to this CA DOT (aka Caltrans) does not regulate motor vehicles. From https://dot.ca.gov/about-caltrans https://dot.ca.gov/about-caltrans : > Caltrans m

To add to this CA DOT (aka Caltrans) does not regulate motor vehicles. From https://dot.ca.gov/about-caltrans https://dot.ca.gov/about-caltrans : > Caltrans manages more than 50,000 miles of California's highway and freeway lanes, provides inter-city rail services, permits more than 400 public-use airports and special-use hospital heliports, and works with local agencies Motor vehicles not under their jurisdiction