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 June 27, 2026 at 6:41 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 27, 11:41 AM

Last Updated

4 months ago

Jun 27, 12:00 PM

Resolved

Jun 27, 6:00 PM

Coordinates

37.9958, -122.0664

Update History

1 observations

CHP : Disabled vehicle on CA-4 Westbound east of I-680 N (Martinez). Lane affected. Expect delays. Jun 27, 11:45 AM

Source: 511_sfbay · ID 511.org/1514053 First seen Jun 27, 2026 11:45 AM