Construction Resolved

Caltrans : Roadwork on I-680 Southbound between Bollinger Canyon Rd (San Ramon) and Alcosta Blvd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Monday, October 19, 2026 to 5:00 AM Tuesday, October 20, 2026.

A construction was reported on I-680 S near Contra Costa on October 20, 2026 at 3:01 AM.

Road

I-680 S

Area

Contra Costa

Address

Loading…

Started

Oct 19, 8:01 PM

Last Updated

1 week ago

Oct 19, 11:45 PM

Resolved

Oct 20, 6:00 AM

Coordinates

37.7602, -121.9657

Update History

1 observations

Caltrans : Roadwork on I-680 Southbound between Bollinger Canyon Rd (San Ramon) and Alcosta Blvd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Monday, October 19, 2026 to 5:00 AM Tuesday, October 20, 2026. Oct 19, 11:45 PM

Source: 511_sfbay · ID 511.org/1566025 First seen Oct 19, 2026 11:45 PM

← All California Incidents More in Contra Costa More on I-680 S