Accident Moderate Severity Resolved

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

A injury accident was reported on SR-57 S/B (ORANGE FWY) near Diamond Bar on August 21, 2026 at 9:25 AM. 2 parties involved, 1 injury.

1 injured. Primary factor: VC 21658(A) UNSAFE LANE CHANGE/ETC. Near PATHFINDER ROAD.

Road

Area

Diamond Bar

Address

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Started

Aug 21, 2:25 AM

Last Updated

2 months ago

Aug 21, 2:25 AM

Resolved

Aug 21, 2:25 AM

Coordinates

33.9869, -117.8432

Involved Parties 2 partys

Driver Female age 44

Vehicle

LEXS GS350

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Female age 24

Vehicle

TSMR MODEL Y

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Injuries 1 person

Driver F age 44

Possible Injury

Source: ccrs · ID ccrs-5294342 First seen Aug 21, 2026 2:25 AM