Accident High Severity Resolved

Injury crash — 3 injured, broadside on DIAMOND BAR BLVD

A high-severity accident was reported on DIAMOND BAR BLVD near Diamond Bar on December 27, 2025 at 10:30 AM. 3 parties involved, 3 injuries.

3 injured. Primary factor: 21453(a). Weather: CLOUDY. Near 60 EASTBOUND FREEWAY ON/OFF RAMP.

Road

DIAMOND BAR BLVD

Area

Diamond Bar

Address

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Started

Dec 27, 2:30 AM

Last Updated

4 months, 3 weeks ago

Dec 27, 2:30 AM

Resolved

Dec 27, 2:30 AM

Coordinates

34.0252, -117.8119

Involved Parties 3 partys

Driver At Fault Female age 18

Vehicle

HONDA ACCORD

Direction

Speed Limit

45 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Female age 30

Vehicle

HYUNDAI VENUE

Direction

Speed Limit

45 mph

Movement

Making Left Turn

Sobriety

Had Not Been Drinking

Driver Female age 56

Vehicle

HYUNDAI SONATA

Direction

Speed Limit

45 mph

Movement

Stopped

Sobriety

Had Not Been Drinking

Injuries 3 persons

Driver F age 18

Possible Injury

Driver F age 30

Suspect Minor

Driver F age 56

Possible Injury

Source: ccrs · ID ccrs-5007014 First seen Dec 27, 2025 2:30 AM

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