The late Allegheny Ridge Tower. In 1909, the Pennsylvania Railroad opened AR Tower to consolidate control of a variety of interlockings in the area. In 1995, it was closed as its function were tra... (more)
Under a cool, crisp, autumnal sky and with a pair of newly rebuilt AC44C6Ms in charge, NS 21J pops out of the Gallitzin Tunnel and continues on its way west to Chicago, IL.