The UP Y388 works its way out of the diesel service area to do more switching in the North Little Rock yard.

A pair of SD40Ns & an AC44 build an Intermodal train at the west end of G3 in Rochelle, IL

"UP Local Over Sand Creek" A Union Pacific local heads over Sand Creek on the Limon Subdivision as it pulls it's train out of west end of Roydale Yard.

UP SD40N 1972 leads a grain train west past Arlington Park.

The old and new faces of EMD. A pair of SD40-2s working a yard job, relegated to these duties, pull past a comparatively new SD70ACe, a 2016 graduate of the storied locomotive builder, now working... (more)

A pair of Union Pacific EMD's, an SD40N and an SD60, are working Proviso Yard outside Chicago, switching cuts of intermodal cars.

A UP SD40N is hard at work drilling cars on the east end of the Union Pacific's Proviso Yard on a sunny Saturday morning in Chicago.

UP SD40N 1948 leads a grain train west through Mount Prospect.

It's a hot July afternoon, and a rather short LPR49 is hustling eastbound with a pair of SD40Ns at the head. The gorgeous Palatine was rebuilt in 2001 and makes a great background for this train.

After clearing the connection at Seeger, the engineer begins to open it up as westbound grain empties pass by the nicely restored CNW depot in Mount Prospect.

UP 1622 (SD40N) takes the lead on shuffling cars in the North Yard in Denver, 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)

Locomotives in various stages of overhaul work line the north transfer table at the railroad’s Downing B. Jenks Shop in North Little Rock, Arkansas, on May 19, 2015, while a recently rebuilt Union... (more)