Construction Active

Caltrans : Roadwork on I-680 Northbound between Alcosta Blvd (San Ramon) and Sycamore Valley Rd (Danville). Various lanes closed until 9 AM. From 8:00 PM Friday, August 28, 2026 to 9:00 AM Saturday, August 29, 2026.

A construction was reported on I-680 N near Alameda on August 29, 2026 at 3:01 AM.

Road

I-680 N

Area

Alameda

Address

Loading…

Started

Aug 28, 8:01 PM

Last Updated

7 minutes ago

Aug 28, 11:45 PM

Coordinates

37.7234, -121.9400

Update History

2 observations

Caltrans : Roadwork on I-680 Northbound between Alcosta Blvd (San Ramon) and Sycamore Valley Rd (Danville). Various lanes closed until 9 AM. From 8:00 PM Friday, August 28, 2026 to 9:00 AM Saturday, August 29, 2026. Aug 28, 11:45 PM

Caltrans : Roadwork on I-680 Northbound between Alcosta Blvd (San Ramon) and Sycamore Valley Rd (Danville). Various lanes closed until 9 AM. From 8:00 PM Friday, August 28, 2026 to 9:00 AM Saturday, August 29, 2026. Aug 28, 11:00 PM

Source: 511_sfbay · ID 511.org/1542335 First seen Aug 28, 2026 11:00 PM