Accident Moderate Severity Resolved

Injury crash — 1 injured, rear-end on SR-57 S/B (ORANGE FWY)

A injury accident was reported on SR-57 S/B (ORANGE FWY) near Diamond Bar on February 4, 2026 at 9:00 AM. 2 parties involved, 1 injury.

1 injured. Primary factor: VC 22350 UNSAFE SPEED FOR PREVAILING CONDITIONS. Near SUNSET CROSSING.

Road

Area

Diamond Bar

Address

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Started

Feb 4, 1:00 AM

Last Updated

3 months, 2 weeks ago

Feb 4, 1:00 AM

Resolved

Feb 4, 1:00 AM

Coordinates

34.0329, -117.8090

Involved Parties 2 partys

Driver At Fault Male age 35

Vehicle

TOYT PRIUS

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Female age 40

Vehicle

GMC YUKON

Direction

Speed Limit

65 mph

Movement

Slowing/Stopping

Sobriety

Had Not Been Drinking

Injuries 2 persons

Occupant F age 2 · PassengerMiddleLeft

Unknown

Driver F age 40

Possible Injury

Source: ccrs · ID ccrs-5052508 First seen Feb 4, 2026 1:00 AM