Construction Resolved

Caltrans : Roadwork on CA-4 Westbound between Lone Tree Way Bypass (Antioch) and Laurel Rd (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Thursday, September 03, 2026 to 5:00 AM Friday, September 04, 2026.

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

Road

CA-4 W

Area

Contra Costa

Address

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Started

Sep 3, 7:01 PM

Last Updated

1 month, 3 weeks ago

Sep 3, 9:30 PM

Resolved

Sep 4, 3:45 AM

Coordinates

37.9615, -121.7429

Update History

2 observations

Caltrans : Roadwork on CA-4 Westbound between Lone Tree Way Bypass (Antioch) and Laurel Rd (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Thursday, September 03, 2026 to 5:00 AM Friday, September 04, 2026. Sep 3, 9:30 PM

Caltrans : Roadwork on CA-4 Westbound between Lone Tree Way Bypass (Antioch) and Laurel Rd (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Thursday, September 03, 2026 to 5:00 AM Friday, September 04, 2026. Sep 3, 9:15 PM

Source: 511_sfbay · ID 511.org/1545033 First seen Sep 3, 2026 9:15 PM