Accident High Severity Resolved

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

A high-severity accident was reported on CA-4 E near Contra Costa on July 14, 2026 at 8:56 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 14, 1:56 PM

Last Updated

2 weeks, 1 day ago

Jul 14, 2:30 PM

Resolved

Jul 14, 8:45 PM

Coordinates

37.9477, -121.7439

Update History

2 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Sand Creek Rd (Brentwood). Lanes affected. Expect delays. Jul 14, 2:30 PM

CHP : Traffic Hazard on CA-4 Eastbound west of Sand Creek Rd (Brentwood). Lanes affected. Expect delays. Jul 14, 2:15 PM

Source: 511_sfbay · ID 511.org/1520942 First seen Jul 14, 2026 2:15 PM