Construction Resolved

Caltrans : Roadwork on CA-4 Westbound between Walnut Blvd (Brentwood) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Tuesday, September 29, 2026 to 5:00 AM Wednesday, September 30, 2026.

A construction was reported on CA-4 W near Contra Costa on September 30, 2026 at 2:00 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Sep 29, 7:00 PM

Last Updated

3 weeks, 6 days ago

Sep 30, 4:45 AM

Resolved

Sep 30, 10:45 AM

Coordinates

37.8964, -121.6964

Update History

1 observations

Caltrans : Roadwork on CA-4 Westbound between Walnut Blvd (Brentwood) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Tuesday, September 29, 2026 to 5:00 AM Wednesday, September 30, 2026. Sep 29, 7:15 PM

Source: 511_sfbay · ID 511.org/1556494 First seen Sep 29, 2026 7:15 PM

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