Accident
Moderate Severity
Stale
CHP : Traffic Hazard on I-680 Southbound south of Sycamore Valley Rd (Danville). Left and center lanes affected. Expect delays.
A injury accident was reported on I-680 S near Contra Costa on June 10, 2026 at 11:33 PM.
Last Updated
2 hours ago
Jun 10, 5:45 PM
Coordinates
37.8149, -121.9935
Update History
3 observations
CHP : Traffic Hazard on I-680 Southbound south of Sycamore Valley Rd (Danville). Left and center lanes affected. Expect delays.
Jun 10, 5:45 PM
CHP : Traffic Hazard on I-680 Southbound south of Sycamore Valley Rd (Danville). Left and center lanes affected. Expect delays.
Jun 10, 5:15 PM
CHP : Traffic Hazard on I-680 Southbound south of Sycamore Valley Rd (Danville). Left and center lanes affected. Expect delays.
Jun 10, 4:45 PM
Source: 511_sfbay · ID 511.org/1506474
First seen Jun 10, 2026 4:45 PM