Crash on Mount Diablo BL at Bonanza St, Walnut Creek, California

Wednesday, December 17, 2025 at 2:10 PM

Injury crash2 vehicles

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.

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Damage area not recorded

Sport Utility Vehicle

Driver, maleRestraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Deployed
Not injured
Passenger, male, 18Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Deployed
Minor injury

Damage area not recorded

Pickups and Panels

Driver, maleRestraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured
Passenger, male, 24Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured

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.

9 crashes recorded on Mount Diablo BL in Walnut Creek in the last 12 months, 8 with injuries.

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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