Construction Active

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Walnut Blvd (Brentwood). Lane closed until 9 AM. From 5:00 AM Sunday, August 09, 2026 to 9:00 AM Sunday, August 09, 2026.

A construction was reported on CA-4 E near Contra Costa on August 9, 2026 at 12:01 PM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Aug 9, 5:01 AM

Last Updated

6 minutes ago

Aug 9, 7:00 AM

Coordinates

37.9114, -121.7306

Update History

7 observations

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Walnut Blvd (Brentwood). Lane closed until 9 AM. From 5:00 AM Sunday, August 09, 2026 to 9:00 AM Sunday, August 09, 2026. Aug 9, 7:00 AM

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Walnut Blvd (Brentwood). Lane closed until 9 AM. From 5:00 AM Sunday, August 09, 2026 to 9:00 AM Sunday, August 09, 2026. Aug 9, 6:45 AM

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Walnut Blvd (Brentwood). Lane closed until 9 AM. From 5:00 AM Sunday, August 09, 2026 to 9:00 AM Sunday, August 09, 2026. Aug 9, 6:30 AM

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Walnut Blvd (Brentwood). Lane closed until 9 AM. From 5:00 AM Sunday, August 09, 2026 to 9:00 AM Sunday, August 09, 2026. Aug 9, 6:15 AM

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Walnut Blvd (Brentwood). Lane closed until 9 AM. From 5:00 AM Sunday, August 09, 2026 to 9:00 AM Sunday, August 09, 2026. Aug 9, 6:00 AM

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Walnut Blvd (Brentwood). Lane closed until 9 AM. From 5:00 AM Sunday, August 09, 2026 to 9:00 AM Sunday, August 09, 2026. Aug 9, 5:45 AM

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Walnut Blvd (Brentwood). Lane closed until 9 AM. From 5:00 AM Sunday, August 09, 2026 to 9:00 AM Sunday, August 09, 2026. Aug 9, 5:30 AM

Source: 511_sfbay · ID 511.org/1533055 First seen Aug 9, 2026 5:30 AM