Construction Resolved

Caltrans : Roadwork on CA-4 Westbound between Balfour Rd (Antioch) and Sand Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Monday, September 28, 2026 to 10:00 PM Monday, September 28, 2026.

A construction was reported on CA-4 W near Contra Costa on September 29, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Sep 28, 7:01 PM

Last Updated

1 month ago

Sep 28, 10:00 PM

Resolved

Sep 29, 4:00 AM

Coordinates

37.9252, -121.7330

Update History

2 observations

Caltrans : Roadwork on CA-4 Westbound between Balfour Rd (Antioch) and Sand Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Monday, September 28, 2026 to 10:00 PM Monday, September 28, 2026. Sep 28, 8:45 PM

Caltrans : Roadwork on CA-4 Westbound between Balfour Rd (Antioch) and Sand Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Monday, September 28, 2026 to 10:00 PM Monday, September 28, 2026. Sep 28, 8:30 PM

Source: 511_sfbay · ID 511.org/1556096 First seen Sep 28, 2026 8:30 PM