Crash on SR-4 Eastbound at Somersville Road, Antioch, California

Monday, October 20, 2025 at 4:53 AM

Injury crash2 vehicles
Reporting agency
CHP Contra Costa Area
Report number
9320-2025-03339

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

Where and when

Location
SR-4 Eastbound at Somersville Road
City, county
Antioch, Contra Costa County
Collision type
Rear End
Motor vehicle involved with
Other Motor Vehicle
Posted speed limit
65 mph
Primary collision factor cited
No
Weather
Clear
Light
Dark-Street Lights
Road surface
Obstruction on Roadway*
Hit and run
No
People involved
2
Injured
1
Killed
0

Vehicles and people

Damage area not recorded

Unit 1: 2024 Acura Mdx

Blue Sport Utility Vehicle

Damage recorded
Vehicle towed
Direction of travel
East
Maneuver
Proceeding Straight
  • Driver, male, 65Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
    Serious injury
Damage area not recorded

Unit 2: 2019 Dodge Charger

Maroon Passenger Car Station Wagon Jeep

Damage recorded
Vehicle towed
Direction of travel
East
Maneuver
Stopped
  • OtherRestraint: Occupant None in Vehicle. Airbag: Air Bag Not Deployed
    Not injured

What the officer recorded

Violation cited
VC 22350 UNSAFE SPEED:PREVAIL CONDas recorded on the report
Unit 2 contributing factor
PREVIOUS COLLISIONas 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

28 crashes recorded on SR-4 Eastbound in Antioch in the last 12 months, 7 with injuries.

All Antioch crashes, October 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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