Caltrans : Roadwork on I-680 Southbound between Diablo Rd (Danville) and Sycamore Valley Rd (Danville). Various lanes closed until 5 AM. From 8:00 PM Wednesday, June 17, 2026 to 5:00 AM Thursday, June 18, 2026.
A construction was reported on I-680 S near Contra Costa on June 18, 2026 at 3:01 AM.
Caltrans : Roadwork on I-680 Southbound between Diablo Rd (Danville) and Sycamore Valley Rd (Danville). Various lanes closed until 5 AM. From 8:00 PM Wednesday, June 17, 2026 to 5:00 AM Thursday, June 18, 2026.
Jun 18, 5:00 AM
Source: 511_sfbay · ID 511.org/1509702
First seen Jun 18, 2026 5:00 AM