Construction Resolved

Caltrans : Roadwork on I-680 Southbound exiting at Sycamore Valley Rd (Danville). Off Ramp closed until 8 AM. From 10:00 PM Friday, June 19, 2026 to 8:00 AM Saturday, June 20, 2026.

A construction was reported on I-680 S near Contra Costa on June 20, 2026 at 5:01 AM.

Road

I-680 S

Area

Contra Costa

Address

Loading…

Started

Jun 19, 10:01 PM

Last Updated

4 months, 1 week ago

Jun 20, 5:15 AM

Resolved

Jun 20, 11:15 AM

Coordinates

37.8135, -121.9937

Update History

2 observations

Caltrans : Roadwork on I-680 Southbound exiting at Sycamore Valley Rd (Danville). Off Ramp closed until 8 AM. From 10:00 PM Friday, June 19, 2026 to 8:00 AM Saturday, June 20, 2026. Jun 20, 5:15 AM

Caltrans : Roadwork on I-680 Southbound exiting at Sycamore Valley Rd (Danville). Off Ramp closed until 8 AM. From 10:00 PM Friday, June 19, 2026 to 8:00 AM Saturday, June 20, 2026. Jun 20, 5:00 AM

Source: 511_sfbay · ID 511.org/1510821 First seen Jun 20, 2026 5:00 AM

← All California Incidents More in Contra Costa More on I-680 S