Crash
Contra Costa County Crash on State Route 4 — Injury Status Unreported
Incident record
September 10, 2026
8:46 a.m.
westbound State Route 4 at the Somersville Road off-ramp
Contra Costa County, CA
California
—
1 injured
None reported
Report body
A traffic collision was reported on westbound State Route 4 at the Somersville Road off-ramp in Contra Costa County shortly before 9 a.m. on Sep. 10, according to California Highway Patrol dispatch records. The dispatch log listed the injury status as unknown, so the extent or presence of any injuries has not been confirmed.
No count of vehicles involved was included in the record, and no cause has been specified. Dispatch information available at this time does not go beyond the collision type and location noted above.
Helpful links
Related resources
California accident information
- Injury statute of limitations
- 2 years (From date of injury (CCP 335.1).)
- Wrongful death statute of limitations
- 2 years (From date of death (CCP 377.60).)
- Fault rule
- California uses pure comparative negligence: partial fault reduces recovery proportionally but does not bar it.
- Citations
- CCP 335.1 (SoL); CCP 377.60 (wrongful death); pure comparative per Li v. Yellow Cab
- Crash report agency
- California Highway Patrol (CHP 190 request) for CHP-investigated crashes; local police/sheriff otherwise.
This information is provided for general educational purposes only and is not legal advice. Consult a licensed attorney in your state for guidance about your specific situation.
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