Accident Moderate Severity Resolved

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

A injury accident was reported on SR-57 S/B (ORANGE FWY) near Diamond Bar on August 14, 2026 at 4:16 PM. 2 parties involved, 1 injury.

1 injured. Primary factor: VC 22350 UNSAFE SPEED FOR PREVAILING CONDITIONS. Near SR-60.

Road

Area

Diamond Bar

Address

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Started

Aug 14, 9:16 AM

Last Updated

2 months, 1 week ago

Aug 14, 9:16 AM

Resolved

Aug 14, 9:16 AM

Coordinates

34.0214, -117.8143

Involved Parties 2 partys

Driver At Fault Male age 21

Vehicle

HOND CR600

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Male age 41

Vehicle

GMC SIERRA

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Injuries 1 person

Driver M age 21

Possible Injury

Source: ccrs · ID ccrs-5283529 First seen Aug 14, 2026 9:16 AM