Construction Active

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 Wednesday, November 04, 2026 to 5:00 AM Thursday, November 05, 2026.

A construction was reported on CA-4 E near Contra Costa on November 5, 2026 at 3:00 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Nov 4, 7:00 PM

Last Updated

4 minutes ago

Nov 4, 9:30 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 Wednesday, November 04, 2026 to 5:00 AM Thursday, November 05, 2026. Nov 4, 7:00 PM

Source: 511_sfbay · ID 511.org/1572925 First seen Nov 4, 2026 7:00 PM

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