Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:30 PM Wednesday, August 05, 2026 to 5:00 AM Thursday, August 06, 2026.

A construction was reported on CA-4 W near Contra Costa on August 6, 2026 at 2:25 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 5, 7:25 PM

Last Updated

2 months, 3 weeks ago

Aug 6, 4:45 AM

Resolved

Aug 6, 11:00 AM

Coordinates

37.8964, -121.6414

Update History

2 observations

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:30 PM Wednesday, August 05, 2026 to 5:00 AM Thursday, August 06, 2026. Aug 5, 9:00 PM

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and Marsh Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Wednesday, August 05, 2026 to 5:00 AM Thursday, August 06, 2026. Aug 5, 7:30 PM

Source: 511_sfbay · ID 511.org/1531512 First seen Aug 5, 2026 7:30 PM

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