Construction Resolved

Caltrans : Roadwork on CA-4 Westbound between Marsh Creek Rd (Brentwood) and Balfour Rd (Antioch). One way traffic control is in effect. Expect delays. From 7:45 PM Thursday, May 07, 2026 to 5:00 AM Friday, May 08, 2026.

A construction was reported on CA-4 W near Contra Costa on May 8, 2026 at 2:50 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

May 7, 7:50 PM

Last Updated

5 months, 2 weeks ago

May 8, 5:00 AM

Resolved

May 8, 11:00 AM

Coordinates

37.8958, -121.7127

Update History

1 observations

Caltrans : Roadwork on CA-4 Westbound between Marsh Creek Rd (Brentwood) and Balfour Rd (Antioch). One way traffic control is in effect. Expect delays. From 7:45 PM Thursday, May 07, 2026 to 5:00 AM Friday, May 08, 2026. May 7, 8:00 PM

Source: 511_sfbay · ID 511.org/1491573 First seen May 7, 2026 8:00 PM

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