Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Tuesday, August 18, 2026 to 8:00 AM Wednesday, August 19, 2026.

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

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Aug 18, 7:00 PM

Last Updated

2 months, 1 week ago

Aug 19, 6:00 AM

Resolved

Aug 19, 12:15 PM

Coordinates

37.9253, -121.7332

Update History

2 observations

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Tuesday, August 18, 2026 to 8:00 AM Wednesday, August 19, 2026. Aug 19, 5:30 AM

Caltrans : Roadwork on CA-4 Eastbound between Balfour Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Tuesday, August 18, 2026 to 8:00 AM Wednesday, August 19, 2026. Aug 18, 7:00 PM

Source: 511_sfbay · ID 511.org/1537346 First seen Aug 18, 2026 7:00 PM