Crash
Injury Status Unreported After Crash on Westbound State Route 4 in Contra Costa County
Incident record
September 5, 2026
4:10 p.m.
westbound State Route 4 at the Willow Pass 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 Willow Pass Road off-ramp in Contra Costa County shortly before 4:10 p.m. on Sept. 5, 2026, according to California Highway Patrol dispatch records. The dispatch entry listed the call as a collision with unknown injuries, meaning the extent of any injuries had not been confirmed at the time of the report.
Dispatch records did not specify how many vehicles were involved or what led to the crash, and no injury count was provided.
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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