Accident Moderate Severity Resolved

CHP : Residual delays on CA-4 Eastbound east of I-680 N (Martinez). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on April 21, 2026 at 2:40 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Apr 21, 7:40 AM

Last Updated

6 months ago

Apr 21, 7:45 AM

Resolved

Apr 21, 2:00 PM

Coordinates

37.9956, -122.0666

Update History

1 observations

CHP : Residual delays on CA-4 Eastbound east of I-680 N (Martinez). Right shoulder affected. Expect delays. Apr 21, 7:45 AM

Source: 511_sfbay · ID 511.org/1484150 First seen Apr 21, 2026 7:45 AM