Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound east of Cummings Skwy (Port Costa). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on October 7, 2026 at 7:40 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 7, 12:40 PM

Last Updated

2 weeks, 6 days ago

Oct 7, 12:45 PM

Resolved

Oct 7, 7:00 PM

Coordinates

38.0159, -122.1889

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound east of Cummings Skwy (Port Costa). Right lane blocked. Expect delays. Oct 7, 12:45 PM

Source: 511_sfbay · ID 511.org/1560357 First seen Oct 7, 2026 12:45 PM