Construction Active

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Balfour Rd (Brentwood) and Marsh Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Sunday, May 31, 2026 to 5:00 AM Monday, June 01, 2026.

A construction was reported on CA-4 E near Contra Costa on June 1, 2026 at 2:30 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

May 31, 7:30 PM

Last Updated

13 minutes ago

May 31, 8:45 PM

Coordinates

37.9251, -121.7331

Update History

1 observations

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Balfour Rd (Brentwood) and Marsh Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Sunday, May 31, 2026 to 5:00 AM Monday, June 01, 2026. May 31, 7:30 PM

Source: 511_sfbay · ID 511.org/1501167 First seen May 31, 2026 7:30 PM

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