Accident Moderate Severity Resolved

CHP : Disabled vehicle on CA-4 Eastbound west of Somersville Rd (Antioch). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on July 11, 2026 at 2:12 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 10, 7:12 PM

Last Updated

3 weeks ago

Jul 10, 7:30 PM

Resolved

Jul 11, 1:30 AM

Coordinates

38.0048, -121.8413

Update History

1 observations

CHP : Disabled vehicle on CA-4 Eastbound west of Somersville Rd (Antioch). Lane affected. Expect delays. Jul 10, 7:15 PM

Source: 511_sfbay · ID 511.org/1519520 First seen Jul 10, 2026 7:15 PM