Crash on Diamond Bar Boulevard at Sunset Crossing Road, Diamond Bar, California

Friday, October 10, 2025 at 6:50 PM

Injury crash3 vehiclesHit and run

Reporting agency: Los Angeles County Sheriff's Office
Report number: 925-06708-2920-250

From the CHP CCRS, record last updated October 25, 2026. No changes since first published.

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Who can ask: Parties of proper interest under Vehicle Code 20012: drivers, passengers, injured persons, vehicle and property owners, and their attorneys and insurers. There is no public copy.

Los Angeles County Sheriff's Office: phone (562) 345-4441; address Records and Identification Bureau, 12440 East Imperial Highway, Suite 120, Norwalk, CA 90650; its request page is linked below.

We publish the state's public crash data. The full officer's report is sold by the state or the agency; we do not hold or sell it.

Where and when

Location: Diamond Bar Boulevard at Sunset Crossing Road
City, county: Diamond Bar, Los Angeles County
Collision type: Rear End
Motor vehicle involved with: Other Motor Vehicle
Posted speed limit: 40 mph
Primary collision factor cited: No
Weather: Clear
Light: Dark-Street Lights
Road surface: No Unusual Conditions
Hit and run: Yes
People involved: 3
Injured: 2
Killed: 0

Vehicles and people

Damage area not recorded

Unit 1: 2019 Chrysler Pacifica

White Mini Van

Direction of travel: North
Maneuver: Proceeding Straight

Driver, male
Not injured

Damage area not recorded

Unit 2: 2024 Nissan Sentra

White Passenger Car Station Wagon Jeep

Direction of travel: North
Maneuver: Proceeding Straight

Driver, female, 26Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Possible injury

Damage area not recorded

Unit 3: 2016 Dodge Challenger

Red Passenger Car Station Wagon Jeep

Direction of travel: North
Maneuver: Stopped

Driver, female, 32Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Possible injury

What the officer recorded

Violation cited: 21703as recorded on the report
Unit 1 driver condition: CELL PHONE USE UNKNOWNas recorded on the report

A contributing factor or charge recorded by an officer is not a finding of fault or a conviction. We show the record as the state released it.

Nearby and recent

3 crashes recorded on Diamond Bar Boulevard in Diamond Bar in the last 12 months, 3 with injuries.

Nov 9, 2025, SR-60 W/B (Pomona Fwy) at Grand Ave2 vehiclesProperty damage only
Nov 8, 2025, SR-60 W/B (Pomona Fwy) at Grand Ave2 vehicles, 1 injuredInjury crash
Nov 5, 2025, SR-60 E/B (Pomona Fwy) at Grand Avenue1 vehicle, 1 injuredInjury crash
Nov 2, 2025, Diamond Bar Blvd at Highland Valley Rd2 vehicles, 2 injuredInjury crash
Oct 28, 2025, Diamond Bar Blvd at RT 60 Ebon/R2 vehicles, 1 injuredInjury crash

All Diamond Bar crashes, October 2025

About this record

Source: CHP CCRS
Updates: Changes the state makes to this record are applied here when the source publishes them
First published here: October 25, 2026
Last updated: October 25, 2026, no changes recorded
What is left out: Names, addresses, plates, and license and insurance numbers are not in the public data and never appear here

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