Accident Low Severity Resolved

Traffic collision, rear-end on CASTLE ROCK RD

A minor accident was reported on CASTLE ROCK RD near Diamond Bar on June 22, 2026 at 8:39 AM. 2 parties involved.

Primary factor: 21804(a). Near BRONCO LN.

Road

CASTLE ROCK RD

Area

Diamond Bar

Address

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Started

Jun 22, 1:39 AM

Last Updated

1 month, 1 week ago

Jun 22, 1:39 AM

Resolved

Jun 22, 1:39 AM

Coordinates

33.9728, -117.8420

Involved Parties 2 partys

Driver At Fault Male age 39

Vehicle

HONDA CIVIC

Direction

Speed Limit

25 mph

Movement

Backing

Sobriety

Had Not Been Drinking

Driver Male age 42

Vehicle

TESLA Y

Direction

Speed Limit

25 mph

Movement

Making U Turn

Sobriety

Had Not Been Drinking

Source: ccrs · ID ccrs-5230774 First seen Jun 22, 2026 1:39 AM