Accident Low Severity Resolved

Traffic collision — hit and run on SR-57 N/B TO SR-60 W/B

A minor accident was reported on SR-57 N/B TO SR-60 W/B near Diamond Bar on December 21, 2025 at 5:35 PM. 2 parties involved.

Primary factor: VC 22107 UNSAFE TURNING MOVEMENT. Near S BREA CANYON RD.

Road

SR-57 N/B TO SR-60 W/B

Area

Diamond Bar

Address

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Started

Dec 21, 9:35 AM

Last Updated

10 months, 1 week ago

Dec 21, 9:35 AM

Resolved

Dec 21, 9:35 AM

Coordinates

34.0014, -117.8420

Involved Parties 2 partys

1

Driver Unknown

Vehicle

CHEV SILVERADO

Direction

N

Speed Limit

65 mph

Movement

Proceeding Straight

2

Driver At Fault Male age 37

Vehicle

TOYT CAMRY

Direction

N

Speed Limit

65 mph

Movement

Merging

Sobriety

Had Not Been Drinking

Source: ccrs · ID ccrs-4996890 First seen Dec 21, 2025 9:35 AM

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