Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on June 23, 2026 at 12:31 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Jun 22, 5:31 PM

Last Updated

4 months ago

Jun 22, 6:00 PM

Resolved

Jun 23, 12:00 AM

Coordinates

38.0159, -122.1889

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound east of Cummings Skwy (Port Costa). Left lane affected. Expect delays. Jun 22, 6:00 PM

Source: 511_sfbay · ID 511.org/1511733 First seen Jun 22, 2026 6:00 PM