Construction Resolved

Caltrans : Roadwork on CA-4 Westbound between Marsh Creek Rd (Brentwood) and Balfour Rd (Antioch). All lanes closed until 5 AM. From 7:30 PM Thursday, May 28, 2026 to 5:00 AM Friday, May 29, 2026.

A construction was reported on CA-4 W near Contra Costa on May 29, 2026 at 2:30 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

May 28, 7:30 PM

Last Updated

7 hours, 13 minutes ago

May 29, 5:00 AM

Resolved

May 29, 11:00 AM

Coordinates

37.9114, -121.7306

Update History

2 observations

Caltrans : Roadwork on CA-4 Westbound between Marsh Creek Rd (Brentwood) and Balfour Rd (Antioch). All lanes closed until 5 AM. From 7:30 PM Thursday, May 28, 2026 to 5:00 AM Friday, May 29, 2026. May 28, 8:30 PM

Caltrans : Roadwork on CA-4 Westbound at Marsh Creek Rd (Brentwood). All lanes closed until 5 AM. From 7:30 PM Thursday, May 28, 2026 to 5:00 AM Friday, May 29, 2026. May 28, 8:15 PM

Source: 511_sfbay · ID 511.org/1500766 First seen May 28, 2026 8:15 PM

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