Report a Traffic Collision or Accident. Requesting a Copy of a San Diego Sheriff Crime, Arrest or Accident Report.Claims filed against the County must be completed in accordance with the California Government Code, sections 900-915.4. After a car accident, you may wonder how to obtain a copy of your San Diego traffic accident report. Fill out the form below at your convenience, have it notarized, and upload it on this page to be sent to the appropriate Sheriff's Station in San Diego County. An insurance agent, attorney, or other designated representative may file the report for the driver. Supervisor's Accident Investigation Report. Complete and submit to your supervisor a Report of Vehicle Accident (STD 270) within 48 hours of the accident. To the California DMV: File a report within 10 days using Form SR-1. Complete the necessary forms, including the CHP 190 form.