Accident High Severity Resolved

CHP : Traffic Hazard on CA-4 E-CA-242 S Ramp Southbound at CA-4 E (Concord). Lane blocked. Expect delays.

A high-severity accident was reported on CA-4 E-CA-242 S Ramp near Contra Costa on September 8, 2026 at 3:31 AM.

Road

CA-4 E-CA-242 S Ramp

Area

Contra Costa

Address

Loading…

Started

Sep 7, 8:31 PM

Last Updated

1 month, 2 weeks ago

Sep 7, 8:45 PM

Resolved

Sep 8, 2:45 AM

Coordinates

38.0039, -122.0421

Update History

1 observations

CHP : Traffic Hazard on CA-4 E-CA-242 S Ramp Southbound at CA-4 E (Concord). Lane blocked. Expect delays. Sep 7, 8:45 PM

Source: 511_sfbay · ID 511.org/1546213 First seen Sep 7, 2026 8:45 PM