Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026.

A construction was reported on CA-4 E near Contra Costa on July 21, 2026 at 3:01 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Jul 20, 8:01 PM

Last Updated

1 week, 3 days ago

Jul 21, 8:00 AM

Resolved

Jul 21, 2:15 PM

Coordinates

37.9615, -121.7445

Update History

11 observations

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 8:00 AM

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 7:45 AM

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 7:30 AM

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 7:15 AM

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 7:00 AM

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 6:45 AM

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 6:30 AM

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 6:15 AM

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 5:45 AM

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 5:30 AM

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026. Jul 21, 5:15 AM

Source: 511_sfbay · ID 511.org/1523928 First seen Jul 21, 2026 5:15 AM