Construction Resolved

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Crow Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Tuesday, May 19, 2026 to 5:00 AM Wednesday, May 20, 2026.

A construction was reported on I-680 S near Contra Costa on May 20, 2026 at 3:01 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

May 19, 8:01 PM

Last Updated

1 day, 6 hours ago

May 20, 5:00 AM

Resolved

May 20, 11:00 AM

Coordinates

37.8116, -121.9931

Update History

2 observations

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Crow Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Tuesday, May 19, 2026 to 5:00 AM Wednesday, May 20, 2026. May 20, 5:00 AM

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Crow Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Tuesday, May 19, 2026 to 5:00 AM Wednesday, May 20, 2026. May 20, 4:45 AM

Source: 511_sfbay · ID 511.org/1496923 First seen May 20, 2026 4:45 AM