Accident
Moderate Severity
Stale
CHP : Severe traffic alert and Traffic Collision with Injuries on I-680 Northbound between Diablo Rd (Danville) and Sycamore Valley Rd (Danville). All lanes blocked. Avoid the area.
A injury accident was reported on I-680 N near Contra Costa on August 27, 2026 at 8:28 PM.
Last Updated
1 hour, 5 minutes ago
Aug 27, 2:00 PM
Coordinates
37.8195, -121.9931
Update History
2 observations
CHP : Severe traffic alert and Traffic Collision with Injuries on I-680 Northbound between Diablo Rd (Danville) and Sycamore Valley Rd (Danville). All lanes blocked. Avoid the area.
Aug 27, 2:00 PM
CHP : Severe traffic alert and Traffic Collision with Injuries on I-680 Northbound south of Diablo Rd (Danville). Left and center lanes blocked. Expect delays.
Aug 27, 1:45 PM
Source: 511_sfbay · ID 511.org/1541723
First seen Aug 27, 2026 1:45 PM