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

Sunday, August 31, 2025 at 1:00 PM

Injury crash1 vehicle

Reporting agency: CHP Baldwin Park Area
Report number: 9525-2025-04287

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.

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.

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Where and when

Location: SR-60 W/B (Pomona Fwy) at Grand Ave
City, county: Diamond Bar, Los Angeles County
Collision type: Hit Object
Motor vehicle involved with: Fixed Object
Posted speed limit: 65 mph
Primary collision factor cited: No
Weather: Clear
Light: Daylight
Road surface: No Unusual Conditions
Hit and run: No
People involved: 1
Injured: 1
Killed: 0

Vehicles and people

Damage area not recorded

Unit 1: 2007 Harley-Davidson Electra Glide Classic

Black Motorcycle

Damage recorded: Vehicle towed
Direction of travel: West
Maneuver: Other

Driver, male, 58Restraint: Motor Bicycle Driver with Helmet. Airbag: Not Required
Serious injury

What the officer recorded

Violation cited: VC 22107as 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

352 crashes recorded on SR-60 W/B (Pomona Fwy) in Diamond Bar in the last 12 months, 94 with injuries.

All Diamond Bar crashes, August 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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