Construction Resolved

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right shoulder closed until 3 PM. From 9:00 PM Sunday, August 23, 2026 to 3:00 PM Friday, September 25, 2026.

A construction was reported on CA-4 W near Contra Costa on August 24, 2026 at 4:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Aug 23, 9:01 PM

Last Updated

13 hours, 4 minutes ago

Aug 24, 5:30 AM

Resolved

Aug 24, 11:45 AM

Coordinates

37.9434, -121.7413

Update History

2 observations

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right shoulder closed until 3 PM. From 9:00 PM Sunday, August 23, 2026 to 3:00 PM Friday, September 25, 2026. Aug 24, 5:30 AM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right shoulder closed until 3 PM. From 9:00 PM Sunday, August 23, 2026 to 3:00 PM Friday, September 25, 2026. Aug 24, 5:15 AM

Source: 511_sfbay · ID 511.org/1539846 First seen Aug 24, 2026 5:15 AM