Road Closure Resolved

Caltrans : Emergency road closure on CA-4 Eastbound and Westbound east of San Joaquin County Line (Discovery Bay). All lanes blocked. Expect delays. From 10:45 AM Saturday, October 24, 2026 to 10:00 AM Sunday, October 25, 2026.

A road closure was reported on CA-4 W near Contra Costa on October 24, 2026 at 5:45 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Oct 24, 10:45 AM

Last Updated

1 day, 19 hours ago

Oct 25, 9:45 AM

Resolved

Oct 25, 3:45 PM

Coordinates

37.9276, -121.3324

Update History

2 observations

Caltrans : Emergency road closure on CA-4 Eastbound and Westbound east of San Joaquin County Line (Discovery Bay). All lanes blocked. Expect delays. From 10:45 AM Saturday, October 24, 2026 to 10:00 AM Sunday, October 25, 2026. Oct 25, 7:30 AM

Caltrans : Emergency road closure on CA-4 Eastbound and Westbound east of San Joaquin County Line (Discovery Bay). All lanes blocked. Expect delays. From 10:45 AM Saturday, October 24, 2026 to 10:00 AM Sunday, October 25, 2026. Oct 24, 11:45 AM

Source: 511_sfbay · ID 511.org/1568070 First seen Oct 24, 2026 11:45 AM