Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound east of Mcewen Rd (Martinez). Right lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on July 9, 2026 at 9:41 PM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Jul 9, 2:41 PM

Last Updated

3 weeks, 1 day ago

Jul 9, 3:00 PM

Resolved

Jul 9, 9:15 PM

Coordinates

38.0129, -122.1748

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound east of Mcewen Rd (Martinez). Right lane affected. Expect delays. Jul 9, 3:00 PM

Source: 511_sfbay · ID 511.org/1518842 First seen Jul 9, 2026 3:00 PM