Construction Active

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 Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026.

A construction was reported on I-680 S near Contra Costa on July 30, 2026 at 3:01 AM.

Road

I-680 S

Area

Contra Costa

Address

Loading…

Started

Jul 29, 8:01 PM

Last Updated

3 minutes ago

Jul 30, 5:00 AM

Coordinates

37.7602, -121.9656

Update History

9 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 Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026. Jul 30, 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 Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026. Jul 30, 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 Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026. Jul 30, 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 Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026. Jul 30, 3:30 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 Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026. Jul 30, 3:15 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 Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026. Jul 30, 3:00 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 Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026. Jul 30, 2:45 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 Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026. Jul 30, 2:30 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 Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026. Jul 30, 2:15 AM

Source: 511_sfbay · ID 511.org/1528222 First seen Jul 30, 2026 2:15 AM