Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on CA-4 Westbound east of Bayberry Ave (Hercules). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on October 11, 2026 at 6:34 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Oct 10, 11:34 PM

Last Updated

2 weeks, 2 days ago

Oct 11, 12:15 AM

Resolved

Oct 11, 6:15 AM

Coordinates

38.0137, -122.2635

Update History

1 observations

CHP : Traffic Collision with Injuries on CA-4 Westbound east of Bayberry Ave (Hercules). Right shoulder affected. Expect delays. Oct 10, 11:45 PM

Source: 511_sfbay · ID 511.org/1562162 First seen Oct 10, 2026 11:45 PM