The Tennessee Highway Patrol Says A Texas Man Has Been Killed In A Tractor Trailer Crash In Sullivan County. It Happened This Afternoon Off Interstate 81 Between Exits 69 And 74 In Bristol. The Rig, Being Driven By 57 Year Old Charles Bishop Of Gatesville, Was Traveling Southbound When It Crossed Over The Northbound Lanes And Down An Embankment Onto Massengill Road Where It Came To A Stop. The Investigation Is Continuing.