Accident
High Severity
Stale
CHP : Traffic Hazard on I-680 Northbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp affected. Expect delays.
A high-severity accident was reported on I-680 N near Contra Costa on June 11, 2026 at 2:15 AM.
Last Updated
37 minutes ago
Jun 10, 8:15 PM
Coordinates
37.7566, -121.9630
Update History
3 observations
CHP : Traffic Hazard on I-680 Northbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp affected. Expect delays.
Jun 10, 8:15 PM
CHP : Traffic Hazard on I-680 Northbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp affected. Expect delays.
Jun 10, 8:00 PM
CHP : Traffic Hazard on I-680 Northbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp affected. Expect delays.
Jun 10, 7:30 PM
Source: 511_sfbay · ID 511.org/1506569
First seen Jun 10, 2026 7:30 PM