Construction Resolved

Caltrans : Roadwork on I-680 Southbound between Alcosta Blvd (San Ramon) and I-580 W (Pleasanton). Left lane and shoulder closed until 4 AM. From 8:00 PM Monday, July 20, 2026 to 4:00 AM Tuesday, July 21, 2026.

A construction was reported on I-680 S near Contra Costa on July 21, 2026 at 3:01 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jul 20, 8:01 PM

Last Updated

3 months ago

Jul 21, 3:30 AM

Resolved

Jul 21, 9:45 AM

Coordinates

37.7215, -121.9387

Update History

3 observations

Caltrans : Roadwork on I-680 Southbound between Alcosta Blvd (San Ramon) and I-580 W (Pleasanton). Left lane and shoulder closed until 4 AM. From 8:00 PM Monday, July 20, 2026 to 4:00 AM Tuesday, July 21, 2026. Jul 21, 3:30 AM

Caltrans : Roadwork on I-680 Southbound between Alcosta Blvd (San Ramon) and I-580 W (Pleasanton). Left lane and shoulder closed until 4 AM. From 8:00 PM Monday, July 20, 2026 to 4:00 AM Tuesday, July 21, 2026. Jul 20, 10:45 PM

Caltrans : Roadwork on I-680 Southbound between Alcosta Blvd (San Ramon) and I-580 W (Pleasanton). Left lane and shoulder closed until 4 AM. From 8:00 PM Monday, July 20, 2026 to 4:00 AM Tuesday, July 21, 2026. Jul 20, 8:30 PM

Source: 511_sfbay · ID 511.org/1523808 First seen Jul 20, 2026 8:30 PM