Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound between San Pablo Ave (Hercules) and Cummings Skwy (Port Costa). All lanes closed. Avoid the area. From 7:00 PM Wednesday, April 15, 2026 to 5:00 AM Thursday, April 16, 2026.

A construction was reported on CA-4 E near Contra Costa on April 16, 2026 at 2:00 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Apr 15, 7:00 PM

Last Updated

6 months, 1 week ago

Apr 16, 4:45 AM

Resolved

Apr 16, 11:00 AM

Coordinates

38.0159, -122.2723

Update History

1 observations

Caltrans : Roadwork on CA-4 Eastbound between San Pablo Ave (Hercules) and Cummings Skwy (Port Costa). All lanes closed. Avoid the area. From 7:00 PM Wednesday, April 15, 2026 to 5:00 AM Thursday, April 16, 2026. Apr 15, 7:00 PM

Source: 511_sfbay · ID 511.org/1481746 First seen Apr 15, 2026 7:00 PM

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