UP 7141 and an ex. Southern Pacific AC unit are lugging this westbound grain train around Arnold’s Loop on the Union Pacific's Shafter Sub in eastern Nevada. Two more AC units in DPU mode are p... (more)

This is Arnold's Loop on Silver Zone Pass in eastern Nevada, built by the Western Pacific Ry. to keep their maximum mainline grade to 1%. The crossing of the pass is in two track levels that rever... (more)