Accident Moderate Severity Resolved

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

A injury accident was reported on SR-57 S/B (ORANGE FWY) near Diamond Bar on March 11, 2026 at 9:30 AM. 4 parties involved, 1 injury.

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

Road

SR-57 S/B (ORANGE FWY)

Area

Diamond Bar

Address

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Started

Mar 11, 2:30 AM

Last Updated

2 months, 1 week ago

Mar 11, 2:30 AM

Resolved

Mar 11, 2:30 AM

Coordinates

34.0251, -117.8126

Involved Parties 4 partys

Driver At Fault Male age 56

Vehicle

HOND CIVIC

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Female age 70

Vehicle

LEXS ES350

Direction

Speed Limit

65 mph

Movement

Stopped

Sobriety

Had Not Been Drinking

Driver Male age 41

Vehicle

TOYT COROLLA

Direction

Speed Limit

65 mph

Movement

Stopped

Sobriety

Had Not Been Drinking

Driver Female age 24

Vehicle

TOYT CAMRY

Direction

Speed Limit

65 mph

Movement

Stopped

Sobriety

Had Not Been Drinking

Injuries 1 person

Driver F age 70 · PassengerFrontRight

Possible Injury

Source: ccrs · ID ccrs-5102967 First seen Mar 11, 2026 2:30 AM

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