For most moving violations, the DMV will keep the conviction on your record for three years from the date of conviction
For serious moving violations, such as DUI or reckless driving, the DMV will keep the conviction on your record for ten years from the date of conviction
Accidents
If you were at fault for an accident, the DMV will create an accident record and place it in your file in California, the DMV accident records are retained at least 39 months 21 months of which, it must be available