Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound and Westbound east of Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 10:00 PM Friday, October 23, 2026 to 10:00 AM Sunday, October 25, 2026.

A construction was reported on CA-4 E near Contra Costa on October 24, 2026 at 5:00 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Oct 23, 10:00 PM

Last Updated

3 days, 7 hours ago

Oct 24, 6:45 AM

Resolved

Oct 24, 12:45 PM

Coordinates

37.8964, -121.6414

Update History

1 observations

Caltrans : Roadwork on CA-4 Eastbound and Westbound east of Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 10:00 PM Friday, October 23, 2026 to 10:00 AM Sunday, October 25, 2026. Oct 23, 10:15 PM

Source: 511_sfbay · ID 511.org/1567091 First seen Oct 23, 2026 10:15 PM

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