Construction Resolved

Caltrans : Roadwork on I-680 Southbound between Livorna Rd (Alamo) and Sycamore Valley Rd (Danville). Various lanes closed until 5 AM. From 8:00 PM Monday, August 31, 2026 to 5:00 AM Tuesday, September 01, 2026.

A construction was reported on I-680 S near Contra Costa on September 1, 2026 at 3:01 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Aug 31, 8:01 PM

Last Updated

1 month, 3 weeks ago

Sep 1, 5:00 AM

Resolved

Sep 1, 11:00 AM

Coordinates

37.8634, -122.0358

Update History

1 observations

Caltrans : Roadwork on I-680 Southbound between Livorna Rd (Alamo) and Sycamore Valley Rd (Danville). Various lanes closed until 5 AM. From 8:00 PM Monday, August 31, 2026 to 5:00 AM Tuesday, September 01, 2026. Sep 1, 5:00 AM

Source: 511_sfbay · ID 511.org/1543451 First seen Sep 1, 2026 5:00 AM

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