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, August 14, 2026 to 5:00 AM Monday, August 17, 2026.

A construction was reported on CA-4 W near Contra Costa on August 15, 2026 at 5:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 14, 10:01 PM

Last Updated

2 months, 2 weeks ago

Aug 15, 9:45 AM

Resolved

Aug 15, 4:00 PM

Coordinates

37.8909, -121.5700

Update History

11 observations

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 15, 9:45 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 15, 9:30 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 15, 9:15 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 15, 9:00 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 15, 8:45 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 15, 8:30 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 15, 8:15 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 15, 8:00 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 15, 7:45 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 15, 7:30 AM

Caltrans : Roadwork on CA-4 Westbound at Discovery Bay Blvd (Discovery Bay). All lanes closed until 5 AM. From 10:00 PM Friday, August 14, 2026 to 5:00 AM Monday, August 17, 2026. Aug 14, 11:15 PM

Source: 511_sfbay · ID 511.org/1535944 First seen Aug 14, 2026 11:15 PM