Construction Active

Caltrans : Roadwork on CA-4 Westbound between CA-160 (Antioch) and Hillcrest Ave (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026.

A construction was reported on CA-4 W near Contra Costa on August 31, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 30, 7:01 PM

Last Updated

3 minutes ago

Aug 31, 12:30 AM

Coordinates

37.9916, -121.7648

Update History

6 observations

Caltrans : Roadwork on CA-4 Westbound between CA-160 (Antioch) and Hillcrest Ave (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026. Aug 31, 12:30 AM

Caltrans : Roadwork on CA-4 Westbound between CA-160 (Antioch) and Hillcrest Ave (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026. Aug 31, 12:15 AM

Caltrans : Roadwork on CA-4 Westbound between CA-160 (Antioch) and Hillcrest Ave (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026. Aug 31, 12:00 AM

Caltrans : Roadwork on CA-4 Westbound between CA-160 (Antioch) and Hillcrest Ave (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026. Aug 30, 11:45 PM

Caltrans : Roadwork on CA-4 Westbound between CA-160 (Antioch) and Hillcrest Ave (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026. Aug 30, 11:30 PM

Caltrans : Roadwork on CA-4 Westbound between CA-160 (Antioch) and Hillcrest Ave (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Sunday, August 30, 2026 to 5:00 AM Monday, August 31, 2026. Aug 30, 11:15 PM

Source: 511_sfbay · ID 511.org/1543026 First seen Aug 30, 2026 11:15 PM