Construction Active

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026.

A construction was reported on CA-4 W near Contra Costa on August 31, 2026 at 1:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 30, 6:01 PM

Last Updated

1 minute ago

Aug 30, 9:30 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 6:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026. Aug 30, 9:30 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026. Aug 30, 9:15 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026. Aug 30, 9:00 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026. Aug 30, 8:45 PM

Source: 511_sfbay · ID 511.org/1542983 First seen Aug 30, 2026 8:45 PM