A man was killed in a single vehicle accident in Cumberland County this morning. The Tennessee Highway Patrol says a 2008 Ford Ranger driven by 77-year-old Arlen D. Aytes of Crossville was traveling south near the 15,000 block of Genesis Road when he ran off the road and overcorrected. The vehicle went across the highway and went off the left side into a deep ditch. The truck then overturned and collided with a tree. Aytes was restrained at the time of the accident.