Construction Active

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026.

A construction was reported on CA-4 W near Contra Costa on June 12, 2026 at 2:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Jun 11, 7:01 PM

Last Updated

8 minutes ago

Jun 11, 10:00 PM

Coordinates

38.0011, -122.0535

Update History

10 observations

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026. Jun 11, 10:00 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026. Jun 11, 9:45 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026. Jun 11, 9:30 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026. Jun 11, 9:15 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026. Jun 11, 9:00 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026. Jun 11, 8:45 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026. Jun 11, 8:30 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026. Jun 11, 8:15 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026. Jun 11, 8:00 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Arnold Industrial Way (Concord). Off Ramp closed until midnight. From 7:00 PM Thursday, June 11, 2026 to 12:00 AM Friday, June 12, 2026. Jun 11, 7:45 PM

Source: 511_sfbay · ID 511.org/1507169 First seen Jun 11, 2026 7:45 PM