Crash on SR-57 N/B to SR-60 E/B Transition Road at Golden Springs Dr, Diamond Bar, California

Monday, June 15, 2026 at 12:05 PM

Injury crash2 vehicles

Reporting agency: CHP Baldwin Park Area
Report number: 9525-2026-03076

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 9525-2026-03076.
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.

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-57 N/B to SR-60 E/B Transition Road at Golden Springs Dr
City, county: Diamond Bar, Los Angeles County
Collision type: Side Swipe
Motor vehicle involved with: Other Motor Vehicle
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: 2
Injured: 1
Killed: 0

Vehicles and people

Damage area not recorded

Unit 1: 2025 Chevrolet Brightdrop

White Two Axle Truck

Direction of travel: North
Maneuver: Changing Lanes

Driver, male, 62Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Deployed
Possible injury

Damage area not recorded

Unit 2: 2024 Volkswagen Taos

Black Sport Utility Vehicle

Direction of travel: North
Maneuver: Proceeding Straight

Driver, female, 30Restraint: 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

1 crash recorded on SR-57 N/B to SR-60 E/B Transition Road in Diamond Bar in the last 12 months, 1 with injuries.

Jul 15, 2026, SR-60 E/B (Pomona Fwy) at Lemon Ave2 vehiclesProperty damage only
Jul 15, 2026, SR-60 E/B (Pomona Fwy) at Brea Canyon Rd2 vehiclesProperty damage only
Jul 13, 2026, SR-60 W/B (Pomona Fwy) at Grand Ave2 vehiclesProperty damage only
Jul 13, 2026, SR-60 W/B (Pomona Fwy) at SR-57 S/B (Orange Fwy)2 vehiclesProperty damage only
Jul 12, 2026, SR-57 N/B to SR-60 E/B at Grand Ave2 vehiclesProperty damage only

All Diamond Bar crashes, June 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

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