Construction Resolved

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Left lane closed until 5 AM. From 7:00 PM Tuesday, July 07, 2026 to 5:00 AM Wednesday, July 08, 2026.

A construction was reported on CA-4 W near Contra Costa on July 8, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 7, 7:01 PM

Last Updated

3 months, 2 weeks ago

Jul 8, 5:00 AM

Resolved

Jul 8, 11:15 AM

Coordinates

37.9434, -121.7413

Update History

2 observations

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Left lane closed until 5 AM. From 7:00 PM Tuesday, July 07, 2026 to 5:00 AM Wednesday, July 08, 2026. Jul 7, 7:45 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Lone Tree Way Bypass (Antioch). Lane closed until 5 AM. From 7:00 PM Tuesday, July 07, 2026 to 5:00 AM Wednesday, July 08, 2026. Jul 7, 7:30 PM

Source: 511_sfbay · ID 511.org/1517973 First seen Jul 7, 2026 7:30 PM

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