Accident High Severity Resolved

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

A high-severity accident was reported on CA-4 E near Contra Costa on April 11, 2026 at 7:54 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Apr 11, 12:54 PM

Last Updated

1 month, 4 weeks ago

Apr 11, 1:15 PM

Resolved

Apr 11, 7:30 PM

Coordinates

38.0129, -122.1960

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound east of Cummings Skwy (Port Costa). Lanes affected. Expect delays. Apr 11, 1:00 PM

Source: 511_sfbay · ID 511.org/1479826 First seen Apr 11, 2026 1:00 PM