Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and San Joaquin County Line (Byron). All lanes closed. Avoid the area. From 10:00 PM Friday, July 10, 2026 to 5:00 AM Monday, July 13, 2026.
A construction was reported on CA-4 E near Contra Costa on July 11, 2026 at 5:00 AM.
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and San Joaquin County Line (Byron). All lanes closed. Avoid the area. From 10:00 PM Friday, July 10, 2026 to 5:00 AM Monday, July 13, 2026.
Jul 12, 1:00 PM
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and San Joaquin County Line (Byron). All lanes closed. Avoid the area. From 10:00 PM Friday, July 10, 2026 to 5:00 AM Monday, July 13, 2026.
Jul 12, 6:45 AM
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and San Joaquin County Line (Byron). All lanes closed. Avoid the area. From 10:00 PM Friday, July 10, 2026 to 5:00 AM Monday, July 13, 2026.
Jul 11, 1:00 PM
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and San Joaquin County Line (Byron). All lanes closed. Avoid the area. From 10:00 PM Friday, July 10, 2026 to 5:00 AM Monday, July 13, 2026.
Jul 11, 8:15 AM
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and San Joaquin County Line (Byron). All lanes closed. Avoid the area. From 10:00 PM Friday, July 10, 2026 to 5:00 AM Monday, July 13, 2026.
Jul 10, 10:15 PM
Source: 511_sfbay · ID 511.org/1519539
First seen Jul 10, 2026 10:15 PM