Modeling the South Pennsylvania Railroad ("The Hilltop Route") in the late 50's -- the final days of steam. A bridge route between Harrisburg and Pittsburgh PA. Heavy patronage by the Pennsy. Main business base is coal, sand/gravel, coke, light industry & finished goods, and light passenger service. Interchanges with PRR at Harrisburg and Pittsburgh, Montour at Irwin (near Pittsburgh), Western Maryland and Huntingdon & Broad Top Mountain RR at Everett and Norfolk & Western at Donnegal.