Crash
Diamond Bar Crash on Southbound SR-57 Leaves Injury Status Unconfirmed
Incident record
September 6, 2026
11:21 a.m.
southbound State Route 57 at Diamond Bar Boulevard
Diamond Bar, Los Angeles County, CA
California
—
1 injured
None reported
Moderate rain · 69°F · 0.11 in precip · 0 mph wind
Report body
A traffic collision was reported on southbound State Route 57 at Diamond Bar Boulevard in Diamond Bar shortly after 11:21 a.m., according to California Highway Patrol dispatch records. Moderate rain was falling in the area at the time.
Dispatch records did not confirm whether anyone was injured in the crash. The number of vehicles involved and the cause of the collision were also not included in the report.
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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