Crash
Eastbound State Route 4 Crash Near Lone Tree Way Draws Ambulance Call

Incident record
September 22, 2026
9:04 p.m.
eastbound State Route 4 at the Lone Tree Way off-ramp
Contra Costa County, CA
California
—
1 injured
None reported
Report body
A traffic collision was reported eastbound on State Route 4 at the Lone Tree Way off-ramp in Contra Costa County shortly after 9:00 p.m. on September 22, 2026, according to California Highway Patrol dispatch records. An ambulance was requested to respond, 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 given.
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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