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 Monday, August 03, 2026 to 5:00 AM Tuesday, August 04, 2026.

A construction was reported on I-680 S near Contra Costa on August 4, 2026 at 3:01 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Aug 3, 8:01 PM

Last Updated

1 hour, 57 minutes ago

Aug 4, 4:45 AM

Coordinates

37.7602, -121.9657

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, August 03, 2026 to 5:00 AM Tuesday, August 04, 2026. Aug 4, 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 Monday, August 03, 2026 to 5:00 AM Tuesday, August 04, 2026. Aug 4, 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 Monday, August 03, 2026 to 5:00 AM Tuesday, August 04, 2026. Aug 4, 4:15 AM

Source: 511_sfbay · ID 511.org/1530497 First seen Aug 4, 2026 4:15 AM