Accident High Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound east of Bayberry Ave (Hercules). Lanes affected. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on August 8, 2026 at 9:21 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Aug 8, 2:21 AM

Last Updated

2 months, 2 weeks ago

Aug 8, 2:30 AM

Resolved

Aug 8, 8:30 AM

Coordinates

38.0143, -122.2669

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound east of Bayberry Ave (Hercules). Lanes affected. Expect delays. Aug 8, 2:30 AM

Source: 511_sfbay · ID 511.org/1532761 First seen Aug 8, 2026 2:30 AM