Accident Moderate Severity Resolved

Injury crash — 1 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 September 14, 2026 at 7:05 PM. 2 parties involved, 1 injury.

1 injured. Primary factor: VC 22350 UNSAFE SPEED FOR PREVAILING CONDITIONS. Near PATHFINDER RD.

Road

SR-57 N/B (ORANGE FWY)

Area

Diamond Bar

Address

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Started

Sep 14, 12:05 PM

Last Updated

1 month, 1 week ago

Sep 14, 12:05 PM

Resolved

Sep 14, 12:05 PM

Coordinates

33.9837, -117.8425

Involved Parties 2 partys

Driver At Fault Female age 20

Vehicle

NISS ALTIMA

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Female age 25

Vehicle

JEEP COMPASS

Direction

Speed Limit

65 mph

Movement

Slowing/Stopping

Sobriety

Had Not Been Drinking

Injuries 4 persons

Occupant age 21 · PassengerMiddleLeft

Unknown

Occupant F age 29 · PassengerFrontRight

Unknown

Occupant F age 55 · PassengerMiddleRight

Unknown

Driver F age 25

Possible Injury

Source: ccrs · ID ccrs-5319220 First seen Sep 14, 2026 12:05 PM

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