Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on September 8, 2026 at 12:15 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Sep 7, 5:15 PM

Last Updated

1 month, 2 weeks ago

Sep 7, 6:30 PM

Resolved

Sep 8, 12:30 AM

Coordinates

37.8957, -121.7126

Update History

1 observations

CHP : Traffic Collision with Injuries on CA-4 Eastbound at Marsh Creek Rd (Brentwood). Lane affected. Expect delays. Sep 7, 5:30 PM

Source: 511_sfbay · ID 511.org/1546158 First seen Sep 7, 2026 5:30 PM