UP 1905 (SD40N) heads into the North Yard in Denver, Colorado for a stint of shuffling freight cars.

UP 1905 (SD40N) gets ready to lash up to a string of cars in the North Yard in Denver, Colorado.

UP 1905 (SD40N) gets ready to pull another string of cars out of the side track for sorting in the North Yard.

A sight not often seen is the Union Pacific sending two motors from the BNSF yard in Denver, Colorado, passing over the South Platte River as they head to the Union Pacific's North Yard.

North Yard. A variety of equipment sits at Union Pacific Railroad's North Yard in Denver, CO. The yard offices sit near W 48th Ave and Kalamath St, and feature a large "North Yard&... (more)

UP 1905 (SD40N) runs long hood forward (backwards) with a MOW train at Speer, Colorado.

As the evening wears on and the last of the day's thunderheads kick up overhead Union Pacific's westbound Laramie 'Laser' charges up the Harriman Line (three track) as the old steam era water tank... (more)

With three North Little Rock SD40 rebuilds running point the westbound Laramie 'Laser' continues its westbound pull up Wyoming's Sherman Hill at Speer. In this view the Laser is wrapped around the... (more)

Harkening back to a time when waves of armor yellow painted EMD SD40-2s were standardizing road power on Union Pacific's portion of the Overland Route, a trio of North Little Rock 'rebuilds' burst... (more)

After holding on Track 1 for a westbound stack train and an eastbound coal train to clear, the Sinclair local with six carloads of petroleum coke and one carload of asphalt darts into the Rawlins ... (more)