Accident High Severity Resolved

Injury crash — 4 injured, rear-end on GRAND AV

A high-severity accident was reported on GRAND AV near Diamond Bar on August 27, 2025 at 4:39 PM. 3 parties involved, 4 injuries.

4 injured. Primary factor: 22350. Near LONGVIEW DR.

Road

GRAND AV

Area

Diamond Bar

Address

Loading…

Started

Aug 27, 9:39 AM

Last Updated

8 months, 3 weeks ago

Aug 27, 9:39 AM

Resolved

Aug 27, 9:39 AM

Coordinates

33.9947, -117.7920

Involved Parties 3 partys

Driver At Fault Male

Vehicle

JEEP

Direction

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Male

Vehicle

TOYOTA

Direction

Movement

Stopped

Sobriety

Had Not Been Drinking

Driver Male

Vehicle

MAZDA

Direction

Movement

Stopped

Sobriety

Had Not Been Drinking

Injuries 4 persons

Driver M age 53

Suspect Minor

Passenger F age 61 · PassengerMiddleRight

Possible Injury

Passenger F age 73 · PassengerFrontRight

Possible Injury

Driver M age 38

Possible Injury

Source: ccrs · ID ccrs-4861491 First seen Aug 27, 2025 9:39 AM

← All California Incidents More in Diamond Bar More on GRAND AV