Crash on Fallow Field Drive at Cold Spring Lane, Diamond Bar, California

Friday, August 21, 2026 at 3:05 PM

Injury crash1 vehicle

Reporting agency: CHP Baldwin Park Area
Report number: 9525-2026-04268

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: Fallow Field Drive at Cold Spring Lane
City, county: Diamond Bar, Los Angeles County
Collision type: Other
Motor vehicle involved with: Non-Collision
Posted speed limit: 25 mph
Weather: Clear
Light: Daylight
Road surface: No Unusual Conditions
Hit and run: No
People involved: 4
Injured: 1
Killed: 0

Vehicles and people

Damage area not recorded

Unit 1: 2025 Ford School Bus

Yellow School Bus Contractual Type I

Direction of travel: West
Maneuver: Making Left Turn

Driver, male, 28Restraint: 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, male, under 18Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Possible injury

Nearby and recent

1 crash recorded on Fallow Field Drive in Diamond Bar in the last 12 months, 1 with injuries.

Sep 20, 2026, Diamond Bar Blvd at RT 57 Nbon/R (N)2 vehiclesProperty damage only
Sep 19, 2026, SR-57 S/B (Orange Fwy) at Brea Canyon Cut-Off Road Undercrossing2 vehiclesProperty damage only
Sep 19, 2026, SR-57 N/B (Orange Fwy) at Pathfinder Road Overcrossing2 vehiclesProperty damage only
Sep 17, 2026, SR-57 N/B (Orange Fwy) at Pathfinder Road2 vehiclesProperty damage only
Sep 17, 2026, SR-57 N/B (Orange Fwy) at Diamond Bar Blvd.2 vehicles, 1 injuredInjury crash

All Diamond Bar crashes, August 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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