Accident Moderate Severity Stale

CHP : Traffic Collision 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 November 4, 2026 at 4:54 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Nov 3, 8:54 PM

Last Updated

51 minutes ago

Nov 3, 9:30 PM

Coordinates

38.0156, -122.1900

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound east of Cummings Skwy (Port Costa). Right lane blocked. Expect delays. Nov 3, 9:00 PM

Source: 511_sfbay · ID 511.org/1572658 First seen Nov 3, 2026 9:00 PM