Construction Resolved

Caltrans : Roadwork on I-680 Northbound between Alcosta Blvd (San Ramon) and Sycamore Valley Rd (Danville). Various lanes closed until 5 AM. From 8:00 PM Thursday, August 20, 2026 to 5:00 AM Friday, August 21, 2026.

A construction was reported on I-680 N near Alameda on August 21, 2026 at 3:01 AM.

Road

I-680 N

Area

Alameda

Address

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Started

Aug 20, 8:01 PM

Last Updated

2 months, 1 week ago

Aug 20, 9:15 PM

Resolved

Aug 21, 3:30 AM

Coordinates

37.7233, -121.9399

Update History

1 observations

Caltrans : Roadwork on I-680 Northbound between Alcosta Blvd (San Ramon) and Sycamore Valley Rd (Danville). Various lanes closed until 5 AM. From 8:00 PM Thursday, August 20, 2026 to 5:00 AM Friday, August 21, 2026. Aug 20, 9:15 PM

Source: 511_sfbay · ID 511.org/1538615 First seen Aug 20, 2026 9:15 PM

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