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 Wednesday, May 13, 2026 to 5:00 AM Thursday, May 14, 2026.

A construction was reported on CA-4 W near Contra Costa on May 14, 2026 at 2:30 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

May 13, 7:30 PM

Last Updated

5 months, 1 week ago

May 14, 4:45 AM

Resolved

May 14, 10:45 AM

Coordinates

37.8965, -121.6441

Update History

2 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 Wednesday, May 13, 2026 to 5:00 AM Thursday, May 14, 2026. May 13, 7:30 PM

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 Monday, May 11, 2026 to 5:00 AM Tuesday, May 12, 2026. May 11, 7:30 PM

Source: 511_sfbay · ID 511.org/1492064 First seen May 11, 2026 7:30 PM

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