Crash on SR-60 E/B (Pomona Fwy) at Grand Ave, Diamond Bar, California

Thursday, March 5, 2026 at 4:50 PM

Property damage only2 vehicles

Reporting agency: CHP Baldwin Park Area
Report number: 9525-2026-01184

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

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Fee: at cost (CHP: $10 per 25 pages)
Wait: about 7 to 10 business days
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.

CHP Baldwin Park Area: phone (626) 517-8500; address 14039 Francisquito Avenue, Baldwin Park, CA 91706; fee $10 per 25 pages; 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: SR-60 E/B (Pomona Fwy) at Grand Ave
City, county: Diamond Bar, Los Angeles County
Collision type: Side Swipe
Motor vehicle involved with: Other Motor Vehicle
Posted speed limit: 55 mph
Primary collision factor cited: No
Weather: Clear
Light: Daylight
Road surface: No Unusual Conditions
Hit and run: No
People involved: 3
Injured: 0
Killed: 0

Vehicles and people

Damage area not recorded

Unit 1: 2022 Frieght Cascadia

White Truck Tractor

Direction of travel: East
Maneuver: Proceeding Straight

Driver, male, 30Restraint: Occupant Lap Shoulder Harness Used. Airbag: Not Required
Not injured
Passenger, male, 56Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured

Damage area not recorded

Unit 2: 2022 Isuzu Ftr

White Truck Tractor

Direction of travel: East
Maneuver: Proceeding Straight

Driver, male, 43Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured

What the officer recorded

Violation cited: VC 21658(A) UNSAFE LANE CHANGE/ETCas 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

309 crashes recorded on SR-60 E/B (Pomona Fwy) in Diamond Bar in the last 12 months, 73 with injuries.

Apr 3, 2026, SR-57 N/B (Orange Fwy) at Pathfinder Rd2 vehiclesProperty damage only
Apr 3, 2026, SR-60 E/B (Pomona Fwy) at Grand Ave2 vehiclesProperty damage only
Apr 3, 2026, SR-57 N/B (Orange Fwy) at Golden Springs Drive2 vehiclesProperty damage only
Apr 1, 2026, SR-60 E/B (Pomona Fwy) at Brea Canyon Rd2 vehiclesProperty damage only
Apr 1, 2026, Penarth Av at Northampton St2 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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