Accident High Severity Resolved

Injury crash — 3 injured, rear-end on SR-57 N/B (ORANGE FWY)

A high-severity accident was reported on SR-57 N/B (ORANGE FWY) near Diamond Bar on February 4, 2026 at 3:55 PM. 3 parties involved, 3 injuries.

3 injured. Primary factor: VC 22350 UNSAFE SPEED:PREVAIL COND. Near DIAMOND BAR BLVD.

Road

SR-57 N/B (ORANGE FWY)

Area

Diamond Bar

Address

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Started

Feb 4, 7:55 AM

Last Updated

3 months, 2 weeks ago

Feb 4, 7:55 AM

Resolved

Feb 4, 7:55 AM

Coordinates

33.9642, -117.8516

Involved Parties 3 partys

Driver At Fault Male age 43

Vehicle

CHEV SILVERADO

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Female age 49

Vehicle

TOYT SIENNA

Direction

Speed Limit

65 mph

Movement

Stopped

Sobriety

Had Not Been Drinking

Driver Male age 32

Vehicle

KIA OPTIMA

Direction

Speed Limit

65 mph

Movement

Stopped

Sobriety

Had Not Been Drinking

Injuries 3 persons

Passenger F age 11 · PassengerMiddleRight

Possible Injury

Passenger F age 12 · PassengerMiddleLeft

Possible Injury

Driver F age 49

Possible Injury

Source: ccrs · ID ccrs-5059530 First seen Feb 4, 2026 7:55 AM

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