Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Tuesday, October 20, 2026 to 4:00 AM Wednesday, October 21, 2026.

A construction was reported on CA-4 E near Contra Costa on October 21, 2026 at 3:01 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 20, 8:01 PM

Last Updated

6 days, 2 hours ago

Oct 21, 3:45 AM

Resolved

Oct 21, 10:00 AM

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 Tuesday, October 20, 2026 to 4:00 AM Wednesday, October 21, 2026. Oct 21, 3:45 AM

Caltrans : Roadwork on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Tuesday, October 20, 2026 to 4:00 AM Wednesday, October 21, 2026. Oct 21, 3:30 AM

Source: 511_sfbay · ID 511.org/1566475 First seen Oct 21, 2026 3:30 AM