A yield sign appears on the center median as Northwest Logistics Heavy Haul negotiates the westward turn onto Oklahoma 45 (Carrier Road) with an 186-foot-long demethanizer tower Wednesday, Oct. 22, 2014. North and southbound traffic was stopped by Oklahoma Highway Patrol troopers until the convoy could clear the intersection. (Staff Photo by BONNIE VCULEK)

Northwest Logistics Heavy HaulOklahoma 45U.S. 81Demethanizer TowerOklahoma Highway PatrolBonnie VculekEnid