Construction Active

Caltrans : Roadwork on CA-4 Westbound entering at Balfour Rd (Antioch). On Ramp closed until 5 AM. From 7:00 PM Sunday, August 16, 2026 to 5:00 AM Monday, August 17, 2026.

A construction was reported on CA-4 W near Contra Costa on August 17, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 16, 7:01 PM

Last Updated

0 minutes ago

Aug 16, 8:45 PM

Coordinates

37.9255, -121.7327

Update History

5 observations

Caltrans : Roadwork on CA-4 Westbound entering at Balfour Rd (Antioch). On Ramp closed until 5 AM. From 7:00 PM Sunday, August 16, 2026 to 5:00 AM Monday, August 17, 2026. Aug 16, 8:45 PM

Caltrans : Roadwork on CA-4 Westbound entering at Balfour Rd (Antioch). On Ramp closed until 5 AM. From 7:00 PM Sunday, August 16, 2026 to 5:00 AM Monday, August 17, 2026. Aug 16, 8:30 PM

Caltrans : Roadwork on CA-4 Westbound entering at Balfour Rd (Antioch). On Ramp closed until 5 AM. From 7:00 PM Sunday, August 16, 2026 to 5:00 AM Monday, August 17, 2026. Aug 16, 8:15 PM

Caltrans : Roadwork on CA-4 Westbound entering at Balfour Rd (Antioch). On Ramp closed until 5 AM. From 7:00 PM Sunday, August 16, 2026 to 5:00 AM Monday, August 17, 2026. Aug 16, 8:00 PM

Caltrans : Roadwork on CA-4 Westbound entering at Balfour Rd (Antioch). On Ramp closed until 5 AM. From 7:00 PM Sunday, August 16, 2026 to 5:00 AM Monday, August 17, 2026. Aug 16, 7:45 PM

Source: 511_sfbay · ID 511.org/1536487 First seen Aug 16, 2026 7:45 PM