Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Marsh Creek Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Monday, October 12, 2026 to 8:00 AM Tuesday, October 13, 2026.

A construction was reported on CA-4 E near Contra Costa on October 13, 2026 at 2:00 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Oct 12, 7:00 PM

Last Updated

2 weeks ago

Oct 13, 7:00 AM

Resolved

Oct 13, 1:15 PM

Coordinates

37.8958, -121.7127

Update History

1 observations

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Marsh Creek Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Monday, October 12, 2026 to 8:00 AM Tuesday, October 13, 2026. Oct 12, 7:00 PM

Source: 511_sfbay · ID 511.org/1562636 First seen Oct 12, 2026 7:00 PM

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