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 October 16, 2025 at 8:40 PM. 2 parties involved, 2 injuries.

2 injured. Primary factor: VC 22350 UNSAFE SPEED:PREVAIL COND. Near DIAMOND BAR BL.

Road

Area

Diamond Bar

Address

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Started

Oct 16, 1:40 PM

Last Updated

7 months ago

Oct 16, 1:40 PM

Resolved

Oct 16, 1:40 PM

Coordinates

33.9674, -117.8495

Involved Parties 2 partys

Driver At Fault Female age 23

Vehicle

HOND CIVIC

Direction

Speed Limit

65 mph

Movement

Slowing/Stopping

Sobriety

Had Not Been Drinking

Driver Female age 32

Vehicle

BMW I4

Direction

Speed Limit

65 mph

Movement

Stopped

Sobriety

Had Not Been Drinking

Injuries 2 persons

Driver F age 23

Possible Injury

Driver F age 32

Possible Injury

Source: ccrs · ID ccrs-4896852 First seen Oct 16, 2025 1:40 PM