Accident Low Severity Resolved

Traffic collision 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 August 23, 2026 at 12:00 AM. 2 parties involved.

Primary factor: VC 21658(A) UNSAFE LANE CHANGE/ETC. Near GOLDEN SPRINGS DRIVE UNDERCROSSING.

Road

Area

Diamond Bar

Address

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Started

Aug 22, 5:00 PM

Last Updated

2 months ago

Aug 22, 5:00 PM

Resolved

Aug 22, 5:00 PM

Coordinates

34.0002, -117.8363

Involved Parties 2 partys

Driver At Fault Male age 39

Vehicle

TOYT SIENNA

Direction

Speed Limit

65 mph

Movement

Changing Lanes

Driver Male age 47

Vehicle

TOYT COROLLA

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Injuries 1 person

Occupant F age 18 · PassengerFrontRight

Unknown

Source: ccrs · ID ccrs-5302944 First seen Aug 22, 2026 5:00 PM