Engine 57 dispatched for a accident on the Pa Turnpike 44.9 southbound. Reported to be a motor cycle vs. SUV. Medics placed Medivac on stand-by. Engine arrived on scene secured the vehicles and assisted EMS with patient care. While working with the first accident a second high speed collision occurred at the scene. Checked the vehicles and again assisted EMS with patient care and packaging. On scene a little over an hour.