Fog, light snow and freezing sleet greet UP 2556 (ES44ACH) as it runs an oil can train through Utah Junction and past the Union Pacific's North Yard in Denver, Colorado.

An Eastbound international intermodal train is seen at Tie Siding climbing up Sherman Hill out of Laramie before descending down from the summit to Cheyenne.

Founded in the mid-1860s along the Overland State Coach Route, Laramie is today very much a railroad town. An Eastbound intermodal train is seen passing through the historic downtown.

With UP 2556 leading the way, the Union Pacific train IMEMNB has reached the end of the CSX Memphis Terminal Subdivision and now merges onto the UP Memphis Sub at Kentucky Street. In the distance ... (more)

UP 2556, leading an eastbound stack, sits at Norden while waiting for Amtrak Train #5 to exit the "Big Hole" tunnel under Mount Judah between Soda Springs and Eder.

Westbound local at Niles Junction.