UP 5641 and a second unit have brought this westbound grain train part way around Arnold’s Loop. The location is the east side of Silver Zone Pass on the Union Pacific Shafter sub in far easter... (more)

This is Arnold’s Loop on Union Pacific’s Shafter sub.in eastern Nevada. The route was originally built by the Western Pacific Ry. in order to keep their maximum grade to 1%. Arnold’s Loop i... (more)