Caltrans : Roadwork on I-680 Northbound entering at Stone Valley Rd (Alamo). On Ramp closed until 7 AM. From 10:00 PM Friday, August 28, 2026 to 7:00 AM Saturday, August 29, 2026.
A construction was reported on I-680 N near Contra Costa on August 29, 2026 at 5:01 AM.
Caltrans : Roadwork on I-680 Northbound entering at Stone Valley Rd (Alamo). On Ramp closed until 7 AM. From 10:00 PM Friday, August 28, 2026 to 7:00 AM Saturday, August 29, 2026.
Aug 28, 11:00 PM
Source: 511_sfbay · ID 511.org/1542386
First seen Aug 28, 2026 11:00 PM