Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Eastbound east of Sycamore Ave (Hercules). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on November 2, 2026 at 2:47 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Nov 1, 6:47 PM

Last Updated

2 hours, 18 minutes ago

Nov 1, 7:00 PM

Coordinates

38.0141, -122.2390

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound east of Sycamore Ave (Hercules). Lane affected. Expect delays. Nov 1, 7:00 PM

Source: 511_sfbay · ID 511.org/1571648 First seen Nov 1, 2026 7:00 PM