Crash on Diamond Bar Blvd at 60 Eastbound Freeway On/Off Ramp, Diamond Bar, California

Saturday, December 27, 2025 at 10:30 AM

Injury crash3 vehicles

Reporting agency: Los Angeles County Sheriff's Office
Report number: 925-08410-2921-471

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

Get the official collision report (CHP 555)

California collision reports are released by the agency that took the report, to parties of proper interest.

Find the agency on the record. For a California Highway Patrol (CHP) report, ask the CHP Area office that took it; any CHP Area office can release it.
For a CHP report, fill in the CHP 190 request form and send it in person or by mail to the Area office with the fee. For a report by a city police department or sheriff, ask that agency's records unit; many sell through LexisNexis BuyCrash.
Say which crash you mean: the date and the place, and the report number 925-08410-2921-471.
Reports for fatal or criminal cases take longer, so ask the office before you travel.

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.

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 Blvd at 60 Eastbound Freeway On/Off Ramp
City, county: Diamond Bar, Los Angeles County
Collision type: Broadside
Motor vehicle involved with: Other Motor Vehicle
Posted speed limit: 45 mph
Primary collision factor cited: No
Weather: Cloudy
Light: Daylight
Road surface: No Unusual Conditions
Hit and run: No
People involved: 3
Injured: 3
Killed: 0

Vehicles and people

Damage area not recorded

Unit 1: 1999 Honda Accord

Silver Passenger Car Station Wagon Jeep

Direction of travel: North
Maneuver: Proceeding Straight

Driver, female, 18Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Deployed
Possible injury

Damage area not recorded

Unit 2: 2023 Hyundai Venue

Green Passenger Car Station Wagon Jeep

Direction of travel: East
Maneuver: Making Left Turn

Driver, female, 30Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Deployed
Minor injury

Damage area not recorded

Unit 3: 2012 Hyundai Sonata

Silver Passenger Car Station Wagon Jeep

Direction of travel: West
Maneuver: Stopped

Driver, female, 56Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Deployed
Possible injury

What the officer recorded

Violation cited: 21453(a)as 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

50 crashes recorded on Diamond Bar Blvd in Diamond Bar in the last 12 months, 24 with injuries.

Jan 25, 2026, SR-60 W/B (Pomona Fwy) at Grand Avenue2 vehiclesProperty damage only
Jan 24, 2026, SR-57 S/B (Orange Fwy) at Temple Ave2 vehicles, 1 injuredInjury crash
Jan 23, 2026, SR-60 E/B (Pomona Fwy) at Diamond Bar Blvd2 vehiclesProperty damage only
Jan 23, 2026, Diamond Bar Blvd at Sunset Crossing Rd3 vehicles, 1 injuredInjury crash
Jan 21, 2026, SR-60 E/B (Pomona Fwy) at Grand Ave2 vehiclesProperty damage only

All Diamond Bar crashes, December 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

Were you involved and want this page removed?Request removal of this record