Accident Low Severity Resolved

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

A minor accident was reported on SR-57 N/B TO SR-60 E/B near Diamond Bar on September 23, 2026 at 3:00 PM. 2 parties involved.

Primary factor: VC 21658(A) UNSAFE LANE CHANGE/ETC. Near BREA CANYON RD.

Road

Area

Diamond Bar

Address

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Started

Sep 23, 8:00 AM

Last Updated

1 month ago

Sep 23, 8:00 AM

Resolved

Sep 23, 8:00 AM

Coordinates

34.0018, -117.8337

Involved Parties 2 partys

Driver At Fault

Vehicle

NISS FRONTIER

Direction

Speed Limit

55 mph

Movement

Changing Lanes

Driver Male age 54

Vehicle

KW TRUCK TRACTOR- DIESEL

Direction

Speed Limit

55 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Injuries 1 person

Occupant M age 37 · PassengerFrontRight

Unknown

Source: ccrs · ID ccrs-5335166 First seen Sep 23, 2026 8:00 AM