Accident Moderate Severity Resolved

Injury crash — 1 injured, head-on on GRAND AV

A injury accident was reported on GRAND AV near Diamond Bar on June 12, 2026 at 4:30 PM. 2 parties involved, 1 injury.

1 injured. Primary factor: 21801(a). Near SUMMITRIDGE DR.

Road

GRAND AV

Area

Diamond Bar

Address

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Started

Jun 12, 9:30 AM

Last Updated

1 month, 2 weeks ago

Jun 12, 9:30 AM

Resolved

Jun 12, 9:30 AM

Coordinates

33.9963, -117.8001

Involved Parties 2 partys

Driver At Fault Male age 19

Vehicle

BMW 330i

Direction

Speed Limit

45 mph

Movement

Making Left Turn

Sobriety

Had Not Been Drinking

Driver Male age 38

Vehicle

NISSAN LEAF

Direction

Speed Limit

45 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Injuries 2 persons

Occupant F age 19 · PassengerFrontRight

Unknown

Driver M age 38

Suspect Minor

Source: ccrs · ID ccrs-5248376 First seen Jun 12, 2026 9:30 AM