Crash
Contra Costa County Crash on State Route 4 Prompts Ambulance Response
Incident record
September 11, 2026
9:55 p.m.
State Route 4 at Walnut Boulevard
Contra Costa County, CA
California
—
1 injured
None reported
Report body
A traffic collision was reported on State Route 4 at Walnut Boulevard in Contra Costa County shortly before 10 p.m. on Sept. 11, 2026, according to California Highway Patrol dispatch records. An ambulance was requested to the area, which typically signals possible injuries, though the extent was not confirmed in the dispatch entry.
Dispatch did not specify how many vehicles were involved or what led to the crash, and no injury count was provided at the time the record was logged.
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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