Accident Moderate Severity Resolved

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

A injury accident was reported on SR-57 S/B (ORANGE FWY) near Diamond Bar on April 29, 2026 at 9:45 AM. 1 party involved, 1 injury.

1 injured. Primary factor: VC 22350 UNSAFE SPEED:PREVAIL COND. Near SUNSET CROSSING RD.

Road

Area

Diamond Bar

Address

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Started

Apr 29, 2:45 AM

Last Updated

3 weeks, 1 day ago

Apr 29, 2:45 AM

Resolved

Apr 29, 2:45 AM

Coordinates

34.0324, -117.8094

Involved Parties 1 party

Driver At Fault Male age 22

Vehicle

YAMA MOUNTAIN 890

Direction

Speed Limit

65 mph

Movement

Lane Splitting

Sobriety

Had Not Been Drinking

Injuries 1 person

Driver M age 22

Possible Injury

Source: ccrs · ID ccrs-5162906 First seen Apr 29, 2026 2:45 AM