Accident Moderate Severity Stale

CHP : Traffic Collision on CA-4 Westbound at Mcewen Rd (Martinez). Lane affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 14, 2026 at 1:02 PM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Jun 14, 6:02 AM

Last Updated

1 hour, 9 minutes ago

Jun 14, 6:30 AM

Coordinates

38.0130, -122.1746

Update History

1 observations

CHP : Traffic Collision on CA-4 Westbound at Mcewen Rd (Martinez). Lane affected. Expect delays. Jun 14, 6:15 AM

Source: 511_sfbay · ID 511.org/1508149 First seen Jun 14, 2026 6:15 AM