Crash

State Route 4 On-Ramp Crash Reported Near Contra Loma Boulevard

By Nationwide Report Staff
Map showing Contra Costa County, CA
Map precision: road
Incident record

Incident record

Date

September 21, 2026

Time

10:31 p.m.

Roadway

the Contra Loma Boulevard on-ramp to westbound State Route 4

Location

Contra Costa County, CA

State

California

Vehicles

Injuries

1 injured

Fatalities

None reported

Report

Report body

A traffic collision was reported on the Contra Loma Boulevard on-ramp to westbound State Route 4 in Contra Costa County shortly before 10:31 p.m. on Sept. 21, 2026, according to California Highway Patrol dispatch records. The report listed the injury status as unknown.

Dispatch did not confirm whether anyone was hurt or how badly, and no vehicle count or cause was included in the record.

Source: CHP dispatch records
Helpful links

Helpful links

Related resources
Legal context
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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