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, September 28, 2026 to 5:00 AM Tuesday, September 29, 2026.

A construction was reported on I-680 S near Contra Costa on September 29, 2026 at 3:01 AM.

Road

I-680 S

Area

Contra Costa

Address

Loading…

Started

Sep 28, 8:01 PM

Last Updated

4 weeks ago

Sep 29, 3:45 AM

Resolved

Sep 29, 9:45 AM

Coordinates

37.7602, -121.9656

Update History

3 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, September 28, 2026 to 5:00 AM Tuesday, September 29, 2026. Sep 29, 3:45 AM

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, September 28, 2026 to 5:00 AM Tuesday, September 29, 2026. Sep 29, 2:15 AM

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, September 28, 2026 to 5:00 AM Tuesday, September 29, 2026. Sep 28, 11:30 PM

Source: 511_sfbay · ID 511.org/1556117 First seen Sep 28, 2026 11:30 PM