Accident High Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of Sand Creek Rd (Brentwood). Right lane affected. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on September 27, 2026 at 2:32 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Sep 27, 7:32 AM

Last Updated

1 month ago

Sep 27, 8:15 AM

Resolved

Sep 27, 2:15 PM

Coordinates

37.9477, -121.7439

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Sand Creek Rd (Brentwood). Right lane affected. Expect delays. Sep 27, 7:45 AM

Source: 511_sfbay · ID 511.org/1555478 First seen Sep 27, 2026 7:45 AM