A westbound Union Pacific Engineering Special powered by a clean SD70M No. 4222 sprints along the tangent track through Middle Park west of Granby, Colorado, on July 28, 2020

Classic Streamliner from Tunnel 7

With the Union Pacific excursion fleet in tow, PDVHP 28 with #4222 in the lead is in the tunnel district between Denver and the Great Divi... (more)