What a light package! Rio Grande Tunnel Motor No. 5404 leads Union Pacific’s expedited Denver to Salt Lake City ZDVRO up the hill at Thompson, Utah, on the afternoon of February 8, 2000. In this era, No. 5404, along with No. 5401, are some of the nicest-looking Rio Grande six-axle power left. Not only is the Gyralight being used, but the locomotive also has recently-added ditch lights, and untouched class lights to boot! This train will certainly be lighting up the grade down Soldier Summit this evening in style…