Construction Resolved

Caltrans : Roadwork on I-680 Southbound exiting at Sycamore Valley Rd (Danville). Off Ramp closed until 5 AM. From 9:00 PM Sunday, July 26, 2026 to 5:00 AM Monday, July 27, 2026.

A construction was reported on I-680 S near Contra Costa on July 27, 2026 at 4:01 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jul 26, 9:01 PM

Last Updated

9 hours, 35 minutes ago

Jul 27, 5:00 AM

Resolved

Jul 27, 11:00 AM

Coordinates

37.8135, -121.9937

Update History

1 observations

Caltrans : Roadwork on I-680 Southbound exiting at Sycamore Valley Rd (Danville). Off Ramp closed until 5 AM. From 9:00 PM Sunday, July 26, 2026 to 5:00 AM Monday, July 27, 2026. Jul 27, 5:00 AM

Source: 511_sfbay · ID 511.org/1526695 First seen Jul 27, 2026 5:00 AM

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