 The Canadian Pacific Railway also has rights over a small piece near Harrisburg, from the west end to Roy Interlocking in Royalton, to allow CP trains to get from the end of their Sunbury Line or Allentown to Perryville, Maryland.The Commonwealth of Pennsylvania provides the subsidies for Amtrak for the "Keystone Service" and "Pennsylvanian" passenger routes that operate on this line.All stations are located in Pennsylvania.