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 August 12, 2026 at 1:03 AM. 2 parties involved, 2 injuries.

2 injured. Primary factor: VC 22350 UNSAFE SPEED FOR PREVAILING CONDITIONS. Near DIAMOND BAR BLVD.

Road

SR-57 N/B (ORANGE FWY)

Area

Diamond Bar

Address

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Started

Aug 11, 6:03 PM

Last Updated

2 months, 2 weeks ago

Aug 11, 6:03 PM

Resolved

Aug 11, 6:03 PM

Coordinates

33.9665, -117.8501

Involved Parties 2 partys

Driver At Fault Male age 39

Vehicle

CHEV AVALANCHE

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Male age 68

Vehicle

RAM RAM 5500

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Injuries 6 persons

Occupant F · PassengerMiddleRight

Unknown

Occupant F age 2 · PassengerMiddleMiddle

Unknown

Occupant M age 10 · PassengerMiddleLeft

Unknown

Occupant F age 37 · PassengerFrontMiddle

Unknown

Passenger F age 11 · PassengerFrontRight

Possible Injury

Passenger M age 31 · PassengerFrontRight

Possible Injury

Source: ccrs · ID ccrs-5288191 First seen Aug 11, 2026 6:03 PM

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