Accident High Severity Resolved

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

A high-severity accident was reported on CA-4 E near Contra Costa on September 24, 2026 at 5:03 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Sep 23, 10:03 PM

Last Updated

1 month ago

Sep 24, 12:30 AM

Resolved

Sep 24, 6:45 AM

Coordinates

37.9477, -121.7439

Update History

2 observations

CHP : Traffic Collision on CA-4 Eastbound at Sand Creek Rd (Brentwood). Lane affected. Expect delays. Sep 23, 10:15 PM

CHP : Traffic Collision on CA-4 Eastbound at Sand Creek Rd (Brentwood). Lane affected. Expect delays. Sep 23, 10:00 PM

Source: 511_sfbay · ID 511.org/1553890 First seen Sep 23, 2026 10:00 PM