Construction Resolved

Caltrans : Roadwork on CA-4 Westbound exiting at Lone Tree Way Bypass (Antioch). Off Ramp closed until 5 AM. From 7:00 PM Thursday, September 24, 2026 to 5:00 AM Friday, September 25, 2026.

A construction was reported on CA-4 W near Contra Costa on September 25, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Sep 24, 7:01 PM

Last Updated

1 month ago

Sep 25, 5:00 AM

Resolved

Sep 25, 11:00 AM

Coordinates

37.9556, -121.7444

Update History

3 observations

Caltrans : Roadwork on CA-4 Westbound exiting at Lone Tree Way Bypass (Antioch). Off Ramp closed until 5 AM. From 7:00 PM Thursday, September 24, 2026 to 5:00 AM Friday, September 25, 2026. Sep 25, 5:00 AM

Caltrans : Roadwork on CA-4 Westbound exiting at Lone Tree Way Bypass (Antioch). Off Ramp closed until 5 AM. From 7:00 PM Thursday, September 24, 2026 to 5:00 AM Friday, September 25, 2026. Sep 24, 8:15 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Lone Tree Way Bypass (Antioch). Off Ramp closed until 5 AM. From 7:00 PM Thursday, September 24, 2026 to 5:00 AM Friday, September 25, 2026. Sep 24, 8:00 PM

Source: 511_sfbay · ID 511.org/1554425 First seen Sep 24, 2026 8:00 PM