Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound between Marsh Creek Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Thursday, May 21, 2026 to 5:00 AM Friday, May 22, 2026.

A construction was reported on CA-4 E near Contra Costa on May 22, 2026 at 2:30 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

May 21, 7:30 PM

Last Updated

6 hours, 21 minutes ago

May 22, 4:45 AM

Resolved

May 22, 10:45 AM

Coordinates

37.8960, -121.7122

Update History

1 observations

Caltrans : Roadwork on CA-4 Eastbound between Marsh Creek Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Thursday, May 21, 2026 to 5:00 AM Friday, May 22, 2026. May 21, 7:30 PM

Source: 511_sfbay · ID 511.org/1497794 First seen May 21, 2026 7:30 PM

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