Shippenville area resident Paul Clark has been treated, at Clarion Hospital, for the injuries which he received in a traffic incident, in Central Clarion County.     Clark had been driving a sport utility vehicle on Soap Fat Road, north of Clark Road, in Elk Township.     The s-u-v went off of the road, first hitting a tree.     The vehicle then struck a utility pole and finally came to a stop back on the roadway.     Assisting, at the scene, were Shippenville fire-rescue and ambulance.