Construction Active

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026.

A construction was reported on CA-4 W near Contra Costa on August 26, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 25, 7:01 PM

Last Updated

8 minutes ago

Aug 25, 11:00 PM

Coordinates

37.9434, -121.7413

Update History

12 observations

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 11:00 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 10:45 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 10:30 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 10:15 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 10:00 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 9:45 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 9:30 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 9:15 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 9:00 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 8:45 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 8:30 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Tuesday, August 25, 2026 to 5:00 AM Wednesday, August 26, 2026. Aug 25, 8:15 PM

Source: 511_sfbay · ID 511.org/1540760 First seen Aug 25, 2026 8:15 PM