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 Tuesday, October 27, 2026 to 5:00 AM Wednesday, October 28, 2026.

A construction was reported on CA-4 E near Contra Costa on October 28, 2026 at 2:00 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Oct 27, 7:00 PM

Last Updated

4 minutes ago

Oct 27, 8:30 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 Tuesday, October 27, 2026 to 5:00 AM Wednesday, October 28, 2026. Oct 27, 7:00 PM

Source: 511_sfbay · ID 511.org/1569305 First seen Oct 27, 2026 7:00 PM

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