Accident Moderate Severity Resolved

Injury crash — 2 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 10, 2026 at 7:48 AM. 2 parties involved, 2 injuries.

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

Road

Area

Diamond Bar

Address

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Started

Apr 10, 12:48 AM

Last Updated

3 months, 3 weeks ago

Apr 10, 12:48 AM

Resolved

Apr 10, 12:48 AM

Coordinates

33.9936, -117.8418

Involved Parties 2 partys

Driver At Fault Female age 46

Vehicle

HYUN SONATA

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Female age 28

Vehicle

FORD EXPLORER

Direction

Speed Limit

65 mph

Movement

Slowing/Stopping

Sobriety

Had Not Been Drinking

Injuries 2 persons

Driver F age 46

Possible Injury

Driver F age 28

Possible Injury

Source: ccrs · ID ccrs-5136145 First seen Apr 10, 2026 12:48 AM