Accident Moderate Severity Resolved

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

A injury accident was reported on SR-57 S/B (ORANGE FWY) near Diamond Bar on January 21, 2026 at 12:30 AM. 2 parties involved, 1 injury.

1 injured. Primary factor: VC 21658(a) LANED ROADWAYS. Near PATHFINDER RD..

Road

Area

Diamond Bar

Address

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Started

Jan 20, 4:30 PM

Last Updated

4 months ago

Jan 20, 4:30 PM

Resolved

Jan 20, 4:30 PM

Coordinates

33.9926, -117.8423

Involved Parties 2 partys

Driver Male age 28

Vehicle

FRHT SEMI TRUCK

Direction

Speed Limit

55 mph

Movement

Other

Sobriety

Had Not Been Drinking

Driver Male age 52

Vehicle

CHEV CRUZE

Direction

Speed Limit

65 mph

Movement

Other

Sobriety

Had Not Been Drinking

Injuries 1 person

Driver M age 52

Possible Injury

Source: ccrs · ID ccrs-5025521 First seen Jan 20, 2026 4:30 PM