Mark,
As fishinman said, definitely go to a DMV office, or get online and send in the notice to the DMV with the record number the CHP officer should have given you. You can get the form here:
http://www.dmv.ca.gov/forms/formsaccident.htm
I know when i had my accident with my boat, (no hit and run, but 3 cars involved) it took over a week for me to get a copy of that report.; and that was just the facts report, not the final incident report.
Then i forgot to notify DMV of the incident and got a suspension notice in the mail about it, even though it wasnt any of my fault. Ooops! Thankfully, i went right down the street and took care of that before it got too far.
So, you will likely need to wait up to a week for the initial report, but dont wait that long to file the incident with DMV.
Good Luck,
Kopper_Bass
Nobody remembers who came in 2nd place. Fish Hard - Play Hard!