Accident High Severity Resolved

CHP : Disabled vehicle on CA-4 Westbound entering at Cummings Skwy (Port Costa). On Ramp blocked. Expect delays.

A high-severity accident was reported on CA-4 W near Contra Costa on May 15, 2026 at 1:34 PM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

May 15, 6:34 AM

Last Updated

2 weeks ago

May 15, 7:00 AM

Resolved

May 15, 1:00 PM

Coordinates

38.0163, -122.1862

Update History

1 observations

CHP : Disabled vehicle on CA-4 Westbound entering at Cummings Skwy (Port Costa). On Ramp blocked. Expect delays. May 15, 6:45 AM

Source: 511_sfbay · ID 511.org/1494805 First seen May 15, 2026 6:45 AM