Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound west of Sycamore Ave (Hercules). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on April 6, 2026 at 2:17 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Apr 5, 7:17 PM

Last Updated

6 months, 3 weeks ago

Apr 5, 7:30 PM

Resolved

Apr 6, 1:45 AM

Coordinates

38.0146, -122.2500

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound west of Sycamore Ave (Hercules). Right shoulder affected. Expect delays. Apr 5, 7:30 PM

Source: 511_sfbay · ID 511.org/1477318 First seen Apr 5, 2026 7:30 PM