Crash on Brea Canyon Rd at Lycoming St, Diamond Bar, California

Tuesday, March 31, 2026 at 3:50 PM

Property damage only2 vehicles

Reporting agency: Los Angeles County Sheriff's Office
Report number: 926-02270-2928-472

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.

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Where and when

Location: Brea Canyon Rd at Lycoming St
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: Daylight
Road surface: No Unusual Conditions
Hit and run: No
People involved: 6
Injured: 0
Killed: 0

Vehicles and people

Damage area not recorded

Unit 1: 2023 Mercedes-Benz Eqb 250

Black Sport Utility Vehicle

Direction of travel: North
Maneuver: Proceeding Straight

Driver, male, 18Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured
Passenger, male, under 18Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured
Passenger, male, under 18Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured
Passenger, female, 57Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured

Damage area not recorded

Unit 2: 2021 Dodge 3500

White Paratransit

Direction of travel: North
Maneuver: Stopped

Driver, male, 66Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured
Passenger, female, 54Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured

What the officer recorded

Violation cited: 21703as 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

17 crashes recorded on Brea Canyon Rd in Diamond Bar in the last 12 months, 5 with injuries.

Apr 30, 2026, SR-60 E/B (Pomona Fwy) at Brea Canyon Rd2 vehiclesProperty damage only
Apr 28, 2026, SR-60 E/B (Pomona Fwy) at Brea Canyon Rd.2 vehiclesProperty damage only
Apr 26, 2026, SR-60 W/B (Pomona Fwy) at Brea Canyon Rd2 vehiclesProperty damage only
Apr 25, 2026, SR-60 E/B (Pomona Fwy) at Grand Avenue2 vehiclesProperty damage only
Apr 24, 2026, SR-57 S/B (Orange Fwy) at Pathfinder Rd2 vehiclesProperty damage only

All Diamond Bar crashes, March 2026

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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