Construction Resolved

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Bollinger Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

A construction was reported on I-680 S near Contra Costa on October 27, 2026 at 3:01 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Oct 26, 8:01 PM

Last Updated

8 hours, 19 minutes ago

Oct 27, 5:00 AM

Resolved

Oct 27, 11:00 AM

Coordinates

37.8116, -121.9931

Update History

2 observations

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Bollinger Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Oct 27, 5:00 AM

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Bollinger Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Oct 27, 4:45 AM

Source: 511_sfbay · ID 511.org/1568996 First seen Oct 27, 2026 4:45 AM