Construction Active

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Thursday, August 27, 2026 to 5:00 AM Friday, August 28, 2026.

A construction was reported on CA-4 W near Contra Costa on August 28, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 27, 7:01 PM

Last Updated

13 minutes ago

Aug 27, 10:30 PM

Coordinates

37.9618, -121.7416

Update History

4 observations

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Thursday, August 27, 2026 to 5:00 AM Friday, August 28, 2026. Aug 27, 10:30 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Thursday, August 27, 2026 to 5:00 AM Friday, August 28, 2026. Aug 27, 10:15 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Thursday, August 27, 2026 to 5:00 AM Friday, August 28, 2026. Aug 27, 10:00 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Thursday, August 27, 2026 to 5:00 AM Friday, August 28, 2026. Aug 27, 9:45 PM

Source: 511_sfbay · ID 511.org/1541859 First seen Aug 27, 2026 9:45 PM