Accident High Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound at Sand Creek Rd (Brentwood). Right shoulder affected. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on September 26, 2026 at 5:12 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Sep 25, 10:12 PM

Last Updated

1 month ago

Sep 25, 10:30 PM

Resolved

Sep 26, 4:30 AM

Coordinates

37.9449, -121.7437

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound at Sand Creek Rd (Brentwood). Right shoulder affected. Expect delays. Sep 25, 10:15 PM

Source: 511_sfbay · ID 511.org/1555024 First seen Sep 25, 2026 10:15 PM