Construction Resolved

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026.

A construction was reported on CA-4 W near Contra Costa on June 30, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Jun 29, 7:01 PM

Last Updated

3 months, 3 weeks ago

Jun 30, 4:00 AM

Resolved

Jun 30, 10:15 AM

Coordinates

37.9618, -121.7416

Update History

20 observations

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 4:00 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 3:45 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 3:30 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 3:15 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 3:00 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 2:45 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 2:30 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 2:15 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 2:00 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 1:45 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 1:30 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 1:15 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 1:00 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 12:45 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 12:30 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 12:15 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 30, 12:00 AM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 29, 11:30 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 29, 11:15 PM

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 7:00 PM Monday, June 29, 2026 to 5:00 AM Tuesday, June 30, 2026. Jun 29, 10:15 PM

Source: 511_sfbay · ID 511.org/1514935 First seen Jun 29, 2026 7:30 PM