| The cool Autumn air at 1,904 feet (580 m) in Pennsylvania’s Allegheny Mountains has already triggered a few trees to begin changing colors. An eastbound Norfolk Southern intermodal train passes under the old Pennsylvania Railroad position light signals as it climbs the grade. NS Dash 9-44CW 9794 and ES44DC 7606 are powering this double-stack train as it heads to Harrisburg. (Lilly, Pennsylvania – September 24, 2008) |