Accident
Moderate Severity
Stale
CHP : Traffic Collision on I-680 Northbound south of Sycamore Valley Rd (Danville). 2nd lane from the left blocked. Expect delays.
A injury accident was reported on I-680 N near Contra Costa on August 19, 2026 at 3:48 PM.
Last Updated
25 minutes ago
Aug 19, 10:00 AM
Coordinates
37.8069, -121.9908
Update History
3 observations
CHP : Traffic Collision on I-680 Northbound south of Sycamore Valley Rd (Danville). 2nd lane from the left blocked. Expect delays.
Aug 19, 9:45 AM
CHP : Traffic Collision on I-680 Northbound south of Sycamore Valley Rd (Danville). 2nd lane from the left blocked. Expect delays.
Aug 19, 9:15 AM
CHP : Traffic Collision on I-680 Northbound south of Sycamore Valley Rd (Danville). Center lane blocked. Expect delays.
Aug 19, 9:00 AM
Source: 511_sfbay · ID 511.org/1537766
First seen Aug 19, 2026 9:00 AM