Accident High Severity Resolved

Injury crash — 3 injured, rear-end on SR-57 N/B (ORANGE FWY)

A high-severity accident was reported on SR-57 N/B (ORANGE FWY) near Diamond Bar on March 13, 2026 at 9:25 AM. 2 parties involved, 3 injuries.

3 injured. Primary factor: VC 22350 UNSAFE SPEED FOR PREVAILING CONDITIONS. Near PATHFINDER ROAD.

Road

Area

Diamond Bar

Address

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Started

Mar 13, 2:25 AM

Last Updated

2 months, 1 week ago

Mar 13, 2:25 AM

Resolved

Mar 13, 2:25 AM

Coordinates

33.9907, -117.8427

Involved Parties 2 partys

Driver At Fault Female age 25

Vehicle

NISS ROGUE

Direction

Speed Limit

70 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Male age 33

Vehicle

CASCADIA 790

Direction

Speed Limit

70 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Injuries 3 persons

Passenger M age 9 · PassengerRearRight

Possible Injury

Passenger F age 37 · PassengerFrontRight

Possible Injury

Driver M age 44

Possible Injury

Source: ccrs · ID ccrs-5124266 First seen Mar 13, 2026 2:25 AM