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 Wednesday, August 26, 2026 to 5:00 AM Thursday, August 27, 2026.

A construction was reported on CA-4 W near Contra Costa on August 27, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 26, 7:01 PM

Last Updated

5 minutes ago

Aug 26, 9:30 PM

Coordinates

37.9618, -121.7416

Update History

5 observations

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Wednesday, August 26, 2026 to 5:00 AM Thursday, August 27, 2026. Aug 26, 9:30 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Wednesday, August 26, 2026 to 5:00 AM Thursday, August 27, 2026. Aug 26, 9:00 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Wednesday, August 26, 2026 to 5:00 AM Thursday, August 27, 2026. Aug 26, 8:45 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Wednesday, August 26, 2026 to 5:00 AM Thursday, August 27, 2026. Aug 26, 8:30 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Wednesday, August 26, 2026 to 5:00 AM Thursday, August 27, 2026. Aug 26, 8:15 PM

Source: 511_sfbay · ID 511.org/1541309 First seen Aug 26, 2026 8:15 PM