Construction Stale

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026.

A construction was reported on CA-4 W near Contra Costa on October 31, 2026 at 3:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Oct 30, 8:01 PM

Last Updated

4 hours, 6 minutes ago

Oct 31, 1:15 AM

Coordinates

37.9618, -121.7416

Update History

12 observations

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 31, 1:15 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 31, 12:45 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 31, 12:30 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 31, 12:15 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 31, 12:00 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 30, 11:45 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 30, 11:30 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 30, 11:15 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 30, 11:00 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 30, 10:45 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 30, 10:30 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 8:00 PM Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 30, 10:15 PM

Source: 511_sfbay · ID 511.org/1571063 First seen Oct 30, 2026 10:15 PM