Caltrans : Roadwork on CA-4 Eastbound and Westbound between Marsh Creek Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Wednesday, May 13, 2026 to 5:00 AM Thursday, May 14, 2026.
A construction was reported on CA-4 E near Contra Costa on May 14, 2026 at 2:30 AM.
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Marsh Creek Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Wednesday, May 13, 2026 to 5:00 AM Thursday, May 14, 2026.
May 13, 7:30 PM
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Marsh Creek Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Monday, May 11, 2026 to 5:00 AM Tuesday, May 12, 2026.
May 11, 7:30 PM
Source: 511_sfbay · ID 511.org/1492062
First seen May 11, 2026 7:30 PM