Construction Resolved

Caltrans : Roadwork on CA-4 Westbound at Walnut Blvd (Brentwood). All lanes closed until 5 AM. From 7:30 PM Sunday, May 10, 2026 to 5:00 AM Monday, May 11, 2026.

A construction was reported on CA-4 W near Contra Costa on May 11, 2026 at 2:30 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

May 10, 7:30 PM

Last Updated

5 months, 2 weeks ago

May 10, 8:15 PM

Resolved

May 11, 2:30 AM

Coordinates

37.8957, -121.7130

Update History

2 observations

Caltrans : Roadwork on CA-4 Westbound at Walnut Blvd (Brentwood). All lanes closed until 5 AM. From 7:30 PM Sunday, May 10, 2026 to 5:00 AM Monday, May 11, 2026. May 10, 8:15 PM

Caltrans : Roadwork on CA-4 Westbound at Walnut Blvd (Brentwood). All lanes closed until 5 AM. From 7:30 PM Sunday, May 10, 2026 to 5:00 AM Monday, May 11, 2026. May 10, 8:00 PM

Source: 511_sfbay · ID 511.org/1492757 First seen May 10, 2026 8:00 PM

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