A Shelby County man died early this morning after his 18 wheeler left the roadway. According to DPS 41 year old Billy Hyde of Shelbyville was driving north on FM 139 just north of FM 2694 in Shelby County when he lost control of the truck. The big rig rolled and Hyde was ejected. He later died on scene. His passenger 41 year old Shirley Brewster of Stonewall was taken to the hospital with minor injuries.