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 March 18, 2026 at 3:48 PM. 2 parties involved, 1 injury.

1 injured. Primary factor: VC 21658(A) UNSAFE LANE CHANGE/ETC. Near BREA CANYON RD.

Road

Area

Diamond Bar

Address

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Started

Mar 18, 8:48 AM

Last Updated

2 months ago

Mar 18, 8:48 AM

Resolved

Mar 18, 8:48 AM

Coordinates

33.9577, -117.8604

Involved Parties 2 partys

Driver At Fault Male age 39

Vehicle

TOYT SEQUOIA

Direction

Speed Limit

55 mph

Movement

Changing Lanes

Sobriety

Had Not Been Drinking

Driver Female age 67

Vehicle

MERZ E350

Direction

Speed Limit

65 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Injuries 1 person

Driver M age 39

Possible Injury

Source: ccrs · ID ccrs-5108597 First seen Mar 18, 2026 8:48 AM