Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Friday, October 02, 2026 to 8:00 AM Saturday, October 03, 2026.

A construction was reported on CA-4 W near Contra Costa on October 3, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Oct 2, 7:01 PM

Last Updated

3 weeks, 3 days ago

Oct 3, 2:45 AM

Resolved

Oct 3, 9:00 AM

Coordinates

37.8964, -121.6413

Update History

3 observations

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Friday, October 02, 2026 to 8:00 AM Saturday, October 03, 2026. Oct 2, 8:45 PM

Caltrans : Roadwork on CA-4 Westbound at Walnut Blvd (Brentwood). All lanes closed until 8 AM. From 7:00 PM Friday, October 02, 2026 to 8:00 AM Saturday, October 03, 2026. Oct 2, 8:30 PM

Caltrans : Roadwork on CA-4 Westbound at Walnut Blvd (Brentwood). All lanes closed until 8 AM. From 7:00 PM Friday, October 02, 2026 to 8:00 AM Saturday, October 03, 2026. Oct 2, 8:15 PM

Source: 511_sfbay · ID 511.org/1558286 First seen Oct 2, 2026 8:15 PM

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