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 27, 2026 to 5:00 AM Friday, August 28, 2026.

A construction was reported on I-680 N near Alameda on August 28, 2026 at 3:01 AM.

Road

I-680 N

Area

Alameda

Address

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Started

Aug 27, 8:01 PM

Last Updated

2 months ago

Aug 28, 4:45 AM

Resolved

Aug 28, 11:00 AM

Coordinates

37.7234, -121.9399

Update History

4 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 27, 2026 to 5:00 AM Friday, August 28, 2026. Aug 28, 4:45 AM

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 27, 2026 to 5:00 AM Friday, August 28, 2026. Aug 28, 4:30 AM

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 27, 2026 to 5:00 AM Friday, August 28, 2026. Aug 28, 4:15 AM

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 27, 2026 to 5:00 AM Friday, August 28, 2026. Aug 28, 4:00 AM

Source: 511_sfbay · ID 511.org/1541873 First seen Aug 28, 2026 4:00 AM