Construction Stale

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 7 PM. From 7:00 AM Sunday, August 09, 2026 to 7:00 PM Sunday, August 09, 2026.

A construction was reported on CA-4 W near Contra Costa on August 9, 2026 at 2:01 PM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 9, 7:01 AM

Last Updated

33 minutes ago

Aug 9, 8:30 AM

Coordinates

37.8909, -121.5700

Update History

3 observations

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 7 PM. From 7:00 AM Sunday, August 09, 2026 to 7:00 PM Sunday, August 09, 2026. Aug 9, 8:30 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 7 PM. From 7:00 AM Sunday, August 09, 2026 to 7:00 PM Sunday, August 09, 2026. Aug 9, 8:00 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 7 PM. From 7:00 AM Sunday, August 09, 2026 to 7:00 PM Sunday, August 09, 2026. Aug 9, 7:45 AM

Source: 511_sfbay · ID 511.org/1533065 First seen Aug 9, 2026 7:45 AM

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