Construction Resolved

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

A construction was reported on CA-4 W near Contra Costa on May 6, 2026 at 2:37 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

May 5, 7:37 PM

Last Updated

5 months, 3 weeks ago

May 6, 5:00 AM

Resolved

May 6, 11:15 AM

Coordinates

37.8965, -121.6668

Update History

1 observations

Caltrans : Roadwork on CA-4 Westbound between Byron Hwy (Brentwood) and Marsh Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Tuesday, May 05, 2026 to 5:00 AM Wednesday, May 06, 2026. May 5, 7:45 PM

Source: 511_sfbay · ID 511.org/1490372 First seen May 5, 2026 7:45 PM

← All California Incidents More in Contra Costa More on CA-4 W