Cass County Sheriff Wm C Brueggemann advises that on Monday September 6th 2021 at approximately 8:19 am Deputies from the Cass County Sheriff's Office, Greenwood Fire and Rescue, Ashland Fire and Rescue, Cass County Emergency Management and Nebraska State Patrol were advised of a single vehicle rollover accident on Interstate 80 at approximately mile marker 422.6. Preliminary investigation indicates the vehicle, a 2005 Honda Accent, was traveling eastbound on Interstate 80. The vehicle then left the roadway into the center median. The vehicle then jumped the creek and rolled over. The driver of the vehicle, Chaz Clark, 20 of Bennington was declared deceased on scene. Speed is believed to be a factor and seatbelts were not in use. The accident is being reconstructed by Nebraska State Patrol.