Construction Resolved

Caltrans : Roadwork on CA-4 Westbound between Byron Hwy (Brentwood) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Tuesday, August 18, 2026 to 5:00 AM Wednesday, August 19, 2026.

A construction was reported on CA-4 W near Contra Costa on August 19, 2026 at 2:00 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 18, 7:00 PM

Last Updated

2 months, 1 week ago

Aug 19, 4:45 AM

Resolved

Aug 19, 10:45 AM

Coordinates

37.8964, -121.6414

Update History

1 observations

Caltrans : Roadwork on CA-4 Westbound between Byron Hwy (Brentwood) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Tuesday, August 18, 2026 to 5:00 AM Wednesday, August 19, 2026. Aug 18, 7:00 PM

Source: 511_sfbay · ID 511.org/1537348 First seen Aug 18, 2026 7:00 PM

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