Accident Low Severity Resolved

Traffic collision, rear-end on SR-57 S/B (ORANGE FWY)

A minor accident was reported on SR-57 S/B (ORANGE FWY) near Diamond Bar on December 10, 2025 at 8:15 AM. 2 parties involved.

Primary factor: VC 22350 UNSAFE SPEED FOR PREVAILING CONDITIONS. Weather: OTHER. Near DIAMOND BAR BLVD.

Road

Area

Diamond Bar

Address

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Started

Dec 10, 12:15 AM

Last Updated

10 months, 2 weeks ago

Dec 10, 12:15 AM

Resolved

Dec 10, 12:15 AM

Coordinates

33.9599, -117.8571

Involved Parties 2 partys

Driver At Fault Male age 26

Vehicle

TOYT TACOMA

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Male age 21

Vehicle

TOYT CAMRY

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Injuries 1 person

Occupant F age 21 · PassengerFrontRight

Unknown

Source: ccrs · ID ccrs-4973829 First seen Dec 10, 2025 12:15 AM