The Oklahoma Highway Patrol reports both lanes of Interstate 35 southbound are closed at mile marker 21 for a semi in the center median at mile marker 20 to be uprighted.

The Oklahoma Department of Transportation is diverting traffic off at mile marker 21 (Oswalt Road) and will be rerouting traffic to US Highway 77 southbound into Marietta and State Highway 32 westbound back to I-35 at mile marker 15.