Crash
Diamond Bar Hit-and-Run on State Route 57 Leaves Injuries Reported
Incident record
September 10, 2026
4:18 p.m.
northbound State Route 57 at the Diamond Bar Boulevard off-ramp
Diamond Bar, Los Angeles County, CA
California
—
1 injured
None reported
Report body
A hit-and-run collision with injuries was reported on northbound State Route 57 at the Diamond Bar Boulevard off-ramp in Diamond Bar around 4:18 p.m. on Sep. 10, according to California Highway Patrol dispatch records.
Dispatch classified the crash as a hit-and-run with injuries but did not specify how many people were hurt. The number of vehicles involved and the cause of the crash were also not part of the dispatch entry.
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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