Accident High Severity Resolved

CHP : Disabled vehicle on CA-4 Eastbound west of Cummings Skwy (Port Costa). Off Ramp affected. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on September 21, 2026 at 4:08 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Sep 20, 9:08 PM

Last Updated

1 month ago

Sep 20, 9:45 PM

Resolved

Sep 21, 3:45 AM

Coordinates

38.0129, -122.1960

Update History

1 observations

CHP : Disabled vehicle on CA-4 Eastbound west of Cummings Skwy (Port Costa). Off Ramp affected. Expect delays. Sep 20, 9:15 PM

Source: 511_sfbay · ID 511.org/1552316 First seen Sep 20, 2026 9:15 PM