Accident Moderate Severity Resolved

CHP : Traffic Collision 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 July 9, 2026 at 6:45 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 8, 11:45 PM

Last Updated

3 weeks ago

Jul 9, 12:00 AM

Resolved

Jul 9, 6:00 AM

Coordinates

38.0135, -122.2593

Update History

1 observations

CHP : Traffic Collision on CA-4 Westbound east of Bayberry Ave (Hercules). Right shoulder affected. Expect delays. Jul 9, 12:00 AM

Source: 511_sfbay · ID 511.org/1518590 First seen Jul 9, 2026 12:00 AM