Accident High Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound west of I-680 N (Martinez). Right and center lanes blocked. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on May 16, 2026 at 7:58 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 16, 12:58 PM

Last Updated

1 week, 5 days ago

May 16, 2:00 PM

Resolved

May 16, 8:15 PM

Coordinates

37.9926, -122.0755

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound west of I-680 N (Martinez). Right and center lanes blocked. Expect delays. May 16, 1:15 PM

Source: 511_sfbay · ID 511.org/1495417 First seen May 16, 2026 1:15 PM