Construction Active

Caltrans : Roadwork on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Wednesday, November 04, 2026 to 4:00 AM Thursday, November 05, 2026.

A construction was reported on CA-4 E near Contra Costa on November 5, 2026 at 4:01 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Nov 4, 8:01 PM

Last Updated

4 minutes ago

Nov 4, 9:30 PM

Coordinates

37.8909, -121.5700

Update History

2 observations

Caltrans : Roadwork on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Wednesday, November 04, 2026 to 4:00 AM Thursday, November 05, 2026. Nov 4, 9:30 PM

Caltrans : Roadwork on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Wednesday, November 04, 2026 to 4:00 AM Thursday, November 05, 2026. Nov 4, 8:45 PM

Source: 511_sfbay · ID 511.org/1573114 First seen Nov 4, 2026 8:45 PM