Construction Resolved

Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026.

A construction was reported on CA-4 W near Contra Costa on July 29, 2026 at 1:01 AM.

Address
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Started
Jul 28, 6:01 PM
Last Updated
1 day, 9 hours ago
Jul 29, 4:30 AM
Resolved
Jul 29, 10:45 AM
Coordinates
37.9618, -121.7416
20 observations
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 29, 4:30 AM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 29, 3:30 AM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 29, 3:15 AM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 29, 3:00 AM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 29, 2:45 AM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 29, 12:15 AM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 29, 12:00 AM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 11:45 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 11:30 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 11:15 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 11:00 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 10:45 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 10:30 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 10:15 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 9:45 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 9:15 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 9:00 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 8:45 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 8:30 PM
Caltrans : Roadwork on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 5 AM. From 6:00 PM Tuesday, July 28, 2026 to 5:00 AM Wednesday, July 29, 2026. Jul 28, 8:15 PM
Source: 511_sfbay · ID 511.org/1527593 First seen Jul 28, 2026 6:45 PM