Construction Stale

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 Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026.

A construction was reported on I-680 S near Contra Costa on October 31, 2026 at 3:01 AM.

Road

I-680 S

Area

Contra Costa

Address

Loading…

Started

Oct 30, 8:01 PM

Last Updated

4 hours, 42 minutes ago

Oct 31, 5:00 AM

Coordinates

37.7602, -121.9657

Update History

5 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 Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 31, 5:00 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 Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 31, 4:45 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 Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 31, 4:30 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 Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 31, 4:15 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 Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026. Oct 31, 4:00 AM

Source: 511_sfbay · ID 511.org/1571038 First seen Oct 31, 2026 4:00 AM