Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound between Lone Tree Way Bypass (Antioch) and Walnut Blvd (Brentwood). All lanes closed. Avoid the area. From 12:00 AM Monday, June 22, 2026 to 8:00 AM Monday, June 22, 2026.

A construction was reported on CA-4 E near Contra Costa on June 22, 2026 at 7:00 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 22, 12:00 AM

Last Updated

4 months ago

Jun 22, 7:45 AM

Resolved

Jun 22, 2:00 PM

Coordinates

37.9617, -121.7432

Update History

1 observations

Caltrans : Roadwork on CA-4 Eastbound between Lone Tree Way Bypass (Antioch) and Walnut Blvd (Brentwood). All lanes closed. Avoid the area. From 12:00 AM Monday, June 22, 2026 to 8:00 AM Monday, June 22, 2026. Jun 22, 12:15 AM

Source: 511_sfbay · ID 511.org/1510033 First seen Jun 22, 2026 12:15 AM

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