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 May 26, 2026 at 5:53 PM. 3 parties involved.

Primary factor: 21658(a). Near COPPER CANYON DR.

Road

CASTLE ROCK RD

Area

Diamond Bar

Address

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Started

May 26, 10:53 AM

Last Updated

2 weeks ago

May 26, 10:53 AM

Resolved

May 26, 10:53 AM

Coordinates

33.9648, -117.8501

Involved Parties 3 partys

Driver At Fault Male age 69

Vehicle

BMW 328I

Direction

Speed Limit

25 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

ParkedVehicle

Vehicle

HENAN CARRIER

Direction

Speed Limit

25 mph

Movement

Parked

Sobriety

Not Applicable

ParkedVehicle

Vehicle

RAM 1500

Direction

Speed Limit

25 mph

Movement

Parked

Sobriety

Not Applicable

Source: ccrs · ID ccrs-5200670 First seen May 26, 2026 10:53 AM

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