Accident Moderate Severity Resolved

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

A injury accident was reported on SR-57 N/B (ORANGE FWY) near Diamond Bar on April 23, 2026 at 12:30 PM. 2 parties involved, 1 injury.

1 injured. Primary factor: VC 22350 UNSAFE SPEED FOR PREVAILING CONDITIONS. Near PATHFINDER RD.

Road

Area

Diamond Bar

Address

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Started

Apr 23, 5:30 AM

Last Updated

4 weeks ago

Apr 23, 5:30 AM

Resolved

Apr 23, 5:30 AM

Coordinates

33.9803, -117.8416

Involved Parties 2 partys

Driver At Fault Male age 37

Vehicle

CHEV SILVERADO

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Male age 31

Vehicle

TOYT PRIUS

Direction

Speed Limit

65 mph

Movement

Slowing/Stopping

Sobriety

Had Not Been Drinking

Injuries 1 person

Driver M age 31

Possible Injury

Source: ccrs · ID ccrs-5152718 First seen Apr 23, 2026 5:30 AM