Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on October 10, 2026 at 6:47 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 10, 11:47 AM

Last Updated

2 weeks, 3 days ago

Oct 10, 12:00 PM

Resolved

Oct 10, 6:15 PM

Coordinates

38.0150, -122.2447

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound east of Sycamore Ave (Hercules). Lane blocked. Expect delays. Oct 10, 12:00 PM

Source: 511_sfbay · ID 511.org/1561963 First seen Oct 10, 2026 12:00 PM