Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and Marsh Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Wednesday, October 07, 2026 to 8:00 AM Thursday, October 08, 2026.
A construction was reported on CA-4 W near Contra Costa on October 8, 2026 at 2:00 AM.
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and Marsh Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Wednesday, October 07, 2026 to 8:00 AM Thursday, October 08, 2026.
Oct 7, 7:00 PM
Source: 511_sfbay · ID 511.org/1560358
First seen Oct 7, 2026 7:00 PM