Construction Resolved

Caltrans : Roadwork on CA-4 Westbound entering at Arnold Industrial Way (Concord). On Ramp closed until 6 AM. From 10:00 PM Monday, May 18, 2026 to 6:00 AM Tuesday, May 19, 2026.

A construction was reported on CA-4 W near Contra Costa on May 19, 2026 at 5:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

May 18, 10:01 PM

Last Updated

5 months, 1 week ago

May 19, 5:15 AM

Resolved

May 19, 11:30 AM

Coordinates

38.0028, -122.0508

Update History

1 observations

Caltrans : Roadwork on CA-4 Westbound entering at Arnold Industrial Way (Concord). On Ramp closed until 6 AM. From 10:00 PM Monday, May 18, 2026 to 6:00 AM Tuesday, May 19, 2026. May 19, 5:15 AM

Source: 511_sfbay · ID 511.org/1496444 First seen May 19, 2026 5:15 AM

← All California Incidents More in Contra Costa More on CA-4 W