Construction Resolved

Caltrans : Roadwork on CA-4 Westbound exiting at San Jose Ave (Antioch). Off Ramp closed until 5 AM. From 7:00 PM Wednesday, September 23, 2026 to 5:00 AM Thursday, September 24, 2026.

A construction was reported on CA-4 W near Contra Costa on September 24, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Sep 23, 7:01 PM

Last Updated

1 month ago

Sep 23, 10:00 PM

Resolved

Sep 24, 4:00 AM

Coordinates

37.9406, -121.7399

Update History

2 observations

Caltrans : Roadwork on CA-4 Westbound exiting at San Jose Ave (Antioch). Off Ramp closed until 5 AM. From 7:00 PM Wednesday, September 23, 2026 to 5:00 AM Thursday, September 24, 2026. Sep 23, 10:00 PM

Caltrans : Roadwork on CA-4 Westbound exiting at San Jose Ave (Antioch). Off Ramp closed until 5 AM. From 7:00 PM Wednesday, September 23, 2026 to 5:00 AM Thursday, September 24, 2026. Sep 23, 9:15 PM

Source: 511_sfbay · ID 511.org/1553815 First seen Sep 23, 2026 9:15 PM