Crash
Contra Costa County Crash on Westbound Route 4 Prompts Ambulance Response
Incident record
August 22, 2026
11:46 p.m.
westbound State Route 4 at the Balfour Road off-ramp
Contra Costa County, CA
California
—
1 injured
None reported
Report body
A traffic collision was reported late Saturday night on westbound State Route 4 at the Balfour Road off-ramp in Contra Costa County, according to California Highway Patrol dispatch records. The crash occurred around 11:46 p.m., and an ambulance was requested, which typically signals possible injuries, though the extent was not confirmed.
Dispatch records did not specify how many vehicles were involved, the number of people hurt, or what caused the collision.
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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