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 8:00 PM Sunday, June 28, 2026 to 8:00 AM Monday, June 29, 2026.

A construction was reported on CA-4 E near Contra Costa on June 29, 2026 at 3:00 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 28, 8:00 PM

Last Updated

3 months, 4 weeks ago

Jun 29, 7:45 AM

Resolved

Jun 29, 2:00 PM

Coordinates

37.9617, -121.7432

Update History

2 observations

Caltrans : Roadwork on CA-4 Eastbound between Lone Tree Way Bypass (Antioch) and Walnut Blvd (Brentwood). All lanes closed. Avoid the area. From 8:00 PM Sunday, June 28, 2026 to 8:00 AM Monday, June 29, 2026. Jun 29, 5:30 AM

Caltrans : Roadwork on CA-4 Eastbound between Lone Tree Way Bypass (Antioch) and Walnut Blvd (Brentwood). All lanes closed. Avoid the area. From 8:00 PM Sunday, June 28, 2026 to 8:00 AM Monday, June 29, 2026. Jun 28, 8:15 PM

Source: 511_sfbay · ID 511.org/1513718 First seen Jun 28, 2026 8:15 PM