Accident Moderate Severity Resolved

CHP : Disabled vehicle on CA-4 Westbound west of Alhambra Ave (Martinez). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on May 25, 2026 at 9:45 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

May 25, 2:45 PM

Last Updated

1 day, 6 hours ago

May 25, 3:00 PM

Resolved

May 25, 9:00 PM

Coordinates

37.9924, -122.1251

Update History

2 observations

CHP : Disabled vehicle on CA-4 Westbound west of Alhambra Ave (Martinez). Right shoulder affected. Expect delays. May 25, 3:00 PM

CHP : Disabled vehicle on CA-4 Westbound west of Alhambra Ave (Martinez). Lane affected. Expect delays. May 25, 2:45 PM

Source: 511_sfbay · ID 511.org/1499208 First seen May 25, 2026 2:45 PM