Accident Moderate Severity Resolved

CHP : Disabled truck on CA-4 Westbound exiting at Alhambra Ave (Martinez). Left lane blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on April 14, 2026 at 3:21 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Apr 14, 8:21 AM

Last Updated

6 months, 1 week ago

Apr 14, 9:00 AM

Resolved

Apr 14, 3:15 PM

Coordinates

37.9912, -122.1294

Update History

2 observations

CHP : Disabled truck on CA-4 Westbound exiting at Alhambra Ave (Martinez). Left lane blocked. Expect delays. Apr 14, 8:45 AM

CHP : Disabled vehicle on CA-4 Westbound exiting at Alhambra Ave (Martinez). Left lane blocked. Expect delays. Apr 14, 8:30 AM

Source: 511_sfbay · ID 511.org/1481137 First seen Apr 14, 2026 8:30 AM