Accident Moderate Severity Resolved

CHP : Disabled truck on CA-4 Eastbound exiting at Somersville Rd (Antioch). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on October 30, 2026 at 3:20 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 30, 8:20 AM

Last Updated

18 hours, 54 minutes ago

Oct 30, 8:30 AM

Resolved

Oct 30, 2:30 PM

Coordinates

38.0048, -121.8413

Update History

1 observations

CHP : Disabled truck on CA-4 Eastbound exiting at Somersville Rd (Antioch). Right lane blocked. Expect delays. Oct 30, 8:30 AM

Source: 511_sfbay · ID 511.org/1570711 First seen Oct 30, 2026 8:30 AM