Construction Resolved

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026.

A construction was reported on CA-4 W near Contra Costa on July 18, 2026 at 5:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Jul 17, 10:01 PM

Last Updated

3 months, 1 week ago

Jul 19, 4:30 PM

Resolved

Jul 19, 10:45 PM

Coordinates

37.8909, -121.5700

Update History

20 observations

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 4:30 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 4:15 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 4:00 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 3:45 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 3:30 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 3:15 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 3:00 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 2:45 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 2:30 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 2:15 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 2:00 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 1:45 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 1:30 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 1:15 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 1:00 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 12:45 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 12:30 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 12:15 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 12:00 PM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, July 17, 2026 to 5:00 AM Monday, July 20, 2026. Jul 19, 11:45 AM

Source: 511_sfbay · ID 511.org/1522830 First seen Jul 18, 2026 12:30 AM