Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 W near Contra Costa on June 5, 2026 at 1:39 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 5, 6:39 AM

Last Updated

4 days, 19 hours ago

Jun 5, 6:45 AM

Resolved

Jun 5, 1:00 PM

Coordinates

38.0092, -122.2239

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Sycamore Ave (Hercules). Lane blocked. Expect delays. Jun 5, 6:45 AM

Source: 511_sfbay · ID 511.org/1504026 First seen Jun 5, 2026 6:45 AM