Construction Active

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Thursday, October 29, 2026 to 5:00 AM Friday, October 30, 2026.

A construction was reported on CA-4 E near Contra Costa on October 30, 2026 at 2:00 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Oct 29, 7:00 PM

Last Updated

14 minutes ago

Oct 29, 8:00 PM

Coordinates

37.9253, -121.7332

Update History

1 observations

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Thursday, October 29, 2026 to 5:00 AM Friday, October 30, 2026. Oct 29, 7:15 PM

Source: 511_sfbay · ID 511.org/1570333 First seen Oct 29, 2026 7:15 PM

← All California Incidents More in Contra Costa More on CA-4 E