Accident High Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound exiting at Sand Creek Rd (Brentwood). Right lane blocked. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on September 17, 2026 at 7:46 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Sep 17, 12:46 PM

Last Updated

1 month, 1 week ago

Sep 17, 1:00 PM

Resolved

Sep 17, 7:00 PM

Coordinates

37.9454, -121.7436

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound exiting at Sand Creek Rd (Brentwood). Right lane blocked. Expect delays. Sep 17, 1:00 PM

Source: 511_sfbay · ID 511.org/1550885 First seen Sep 17, 2026 1:00 PM