Construction Stale

Caltrans : Roadwork on I-680 Southbound entering at Stone Valley Rd (Alamo). On Ramp closed until 7 AM. From 9:00 PM Friday, August 14, 2026 to 7:00 AM Saturday, August 15, 2026.

A construction was reported on I-680 S near Contra Costa on August 15, 2026 at 4:01 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Aug 14, 9:01 PM

Last Updated

1 hour, 23 minutes ago

Aug 15, 3:45 AM

Coordinates

37.8508, -122.0305

Update History

2 observations

Caltrans : Roadwork on I-680 Southbound entering at Stone Valley Rd (Alamo). On Ramp closed until 7 AM. From 9:00 PM Friday, August 14, 2026 to 7:00 AM Saturday, August 15, 2026. Aug 15, 3:45 AM

Caltrans : Roadwork on I-680 Southbound entering at Stone Valley Rd (Alamo). On Ramp closed until 7 AM. From 9:00 PM Friday, August 14, 2026 to 7:00 AM Saturday, August 15, 2026. Aug 15, 12:00 AM

Source: 511_sfbay · ID 511.org/1535917 First seen Aug 15, 2026 12:00 AM

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