Simple: a flashing red light means stop, and proceed if safe. https://www.dmv.ca.gov/portal/dmv/detail/pubs/hdbk/traff_lgts_sgns https://www.dmv.ca.gov/portal/

Simple: a flashing red light means stop, and proceed if safe. https://www.dmv.ca.gov/portal/dmv/detail/pubs/hdbk/traff_lgts_sgns https://www.dmv.ca.gov/portal/dmv/detail/pubs/hdbk/traff_lgt...