A semi-truck rests on its side as an Oklahoma Highway Patrol trooper investigates an accident 1.5 miles south of Bison on U.S. 81 early Thursday, June 12, 2014. OHP closed a section of the highway and then reopened the inside southbound lane after the driver of the truck was transported to a local hospital. Oklahoma Highway Patrol, Garfield County Sheriff Department, Life EMS and Stanley's Wrecker Service assisted at the scene. (Staff Photo by BONNIE VCULEK)

Overturned SemiOklahoma Highway PatrolU.S. 81BisonGarfield County Sheriff DepartmentBonnie VculekLife EMSStanley's Wrecker ServiceEnid