Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of Alhambra Ave (Martinez). 2nd lane from the left affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on May 17, 2026 at 3:51 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 17, 8:51 AM

Last Updated

5 months, 1 week ago

May 17, 9:00 AM

Resolved

May 17, 3:00 PM

Coordinates

37.9899, -122.1333

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Alhambra Ave (Martinez). 2nd lane from the left affected. Expect delays. May 17, 9:00 AM

Source: 511_sfbay · ID 511.org/1495677 First seen May 17, 2026 9:00 AM