Crews were out for an early morning MVC at the intersection of Raystown and Pinchot Roads. Upon Chief 35's arrival all patients had self-extricated. Unit 15 personnel requested air medical for one patient, but a helicopter was unavailable due to weather. Unit 15 transported the patient to UPMC Altoona. #5 and 36 crews assisted with fluid control and debris removal. PSP is investigating. Company 35 Fire Police also assisted on scene.