Crash on I-680 Southbound at Sycamore Valley Road, Danville, California

Friday, December 5, 2025 at 11:12 AM

Property damage only2 vehicles
Reporting agency
CHP Dublin Area
Report number
9390-2025-02705

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

Where and when

Location
I-680 Southbound at Sycamore Valley Road
City, county
Danville, Contra Costa County
Collision type
Side Swipe
Motor vehicle involved with
Other Motor Vehicle
Posted speed limit
65 mph
Primary collision factor cited
Yes
Weather
Clear
Light
Daylight
Road surface
No Unusual Conditions
Hit and run
No
People involved
5
Injured
0
Killed
0

Vehicles and people

Damage area not recorded

Unit 1: 2001 Chevrolet Tahoe

Red Sport Utility Vehicle

Direction of travel
South
Maneuver
Changing Lanes
  • Driver, male, 30Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
    Not injured
  • Passenger, female, 28Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
    Not injured
  • Passenger, female, 30Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
    Not injured
  • Passenger, male, 31Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
    Not injured
Damage area not recorded

Unit 2: 2021 BMW M50

Black Sport Utility Vehicle

Direction of travel
South
Maneuver
Proceeding Straight
  • Driver, male, 39Restraint: 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
Unit 1 charge
CVC 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

29 crashes recorded on I-680 Southbound in Danville in the last 12 months, 12 with injuries.

All Danville 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

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