Accident Moderate Severity Resolved

CHP : Residual delays 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 17, 2026 at 11:57 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Apr 17, 4:57 PM

Last Updated

5 days, 7 hours ago

Apr 17, 5:00 PM

Resolved

Apr 17, 11:15 PM

Coordinates

38.0105, -122.2302

Update History

1 observations

CHP : Residual delays on CA-4 Eastbound west of Sycamore Ave (Hercules). Right shoulder affected. Expect delays. Apr 17, 5:00 PM

Source: 511_sfbay · ID 511.org/1482815 First seen Apr 17, 2026 5:00 PM