Construction Resolved

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Thursday, September 24, 2026 to 4:00 AM Friday, September 25, 2026.

A construction was reported on CA-4 W near Contra Costa on September 25, 2026 at 3:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Sep 24, 8:01 PM

Last Updated

1 month ago

Sep 25, 2:45 AM

Resolved

Sep 25, 8:45 AM

Coordinates

37.8909, -121.5700

Update History

2 observations

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Thursday, September 24, 2026 to 4:00 AM Friday, September 25, 2026. Sep 25, 2:45 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Thursday, September 24, 2026 to 4:00 AM Friday, September 25, 2026. Sep 24, 10:00 PM

Source: 511_sfbay · ID 511.org/1554492 First seen Sep 24, 2026 10:00 PM