Construction Resolved

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026.

A construction was reported on CA-4 W near Contra Costa on July 16, 2026 at 1:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Jul 15, 6:01 PM

Last Updated

3 months, 1 week ago

Jul 15, 9:00 PM

Resolved

Jul 16, 3:15 AM

Coordinates

37.9618, -121.7416

Update History

10 observations

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026. Jul 15, 9:00 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026. Jul 15, 8:45 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026. Jul 15, 8:30 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026. Jul 15, 8:15 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026. Jul 15, 8:00 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026. Jul 15, 7:45 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026. Jul 15, 7:30 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026. Jul 15, 7:15 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026. Jul 15, 7:00 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 10 PM. From 6:00 PM Wednesday, July 15, 2026 to 10:00 PM Wednesday, July 15, 2026. Jul 15, 6:45 PM

Source: 511_sfbay · ID 511.org/1521640 First seen Jul 15, 2026 6:45 PM