Construction Stale

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 20, 2026 to 5:00 AM Friday, August 21, 2026.

A construction was reported on CA-4 W near Contra Costa on August 21, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 20, 7:01 PM

Last Updated

19 minutes ago

Aug 20, 9:00 PM

Coordinates

37.9618, -121.7416

Update History

3 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 20, 2026 to 5:00 AM Friday, August 21, 2026. Aug 20, 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 Thursday, August 20, 2026 to 5:00 AM Friday, August 21, 2026. Aug 20, 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 Thursday, August 20, 2026 to 5:00 AM Friday, August 21, 2026. Aug 20, 8:15 PM

Source: 511_sfbay · ID 511.org/1538588 First seen Aug 20, 2026 8:15 PM

← All California Incidents More in Contra Costa More on CA-4 W