Crash
Diamond Bar Crash on Northbound SR-57 Prompts Ambulance Response
Incident record
August 12, 2026
1:06 a.m.
northbound State Route 57 at Diamond Bar Boulevard
Diamond Bar, Los Angeles County, CA
California
—
1 injured
None reported
Report body
A traffic collision was reported early Wednesday on northbound State Route 57 at Diamond Bar Boulevard in Diamond Bar, according to California Highway Patrol dispatch records. The incident was logged around 1:06 a.m., with an ambulance requested to the area, which typically signals possible injuries, though the extent was not confirmed.
Dispatch records did not specify how many vehicles were involved or what caused the crash, and no injury count was provided.
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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