Accident Moderate Severity Resolved

CHP : Disabled vehicle on CA-4 Westbound east of I-680 N (Martinez). Lane affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on July 27, 2026 at 3:35 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 26, 8:35 PM

Last Updated

18 hours, 26 minutes ago

Jul 26, 8:45 PM

Resolved

Jul 27, 3:00 AM

Coordinates

37.9948, -122.0695

Update History

1 observations

CHP : Disabled vehicle on CA-4 Westbound east of I-680 N (Martinez). Lane affected. Expect delays. Jul 26, 8:45 PM

Source: 511_sfbay · ID 511.org/1526659 First seen Jul 26, 2026 8:45 PM