After dropping off cars at the adjacent business in Platteville, the crew of UP 3897 SD70M saddle up for a run further south towards Fort Lupton, Colorado.

UP 3897 (SD70M) leading the LaSalle Local drops off a cut of cars to a customer in Platteville, Colorado.

UP 3897 (SD70M) leads a freight through Platteville, Colorado on the Greeley Sub.

UP 3897 leads a southbound rack train over the Big Muddy River near Wolf Lake, Illinois on UP's Chester Subdivision. Locomotives: UP 3897 & 5369

With U.S. Highway 30 pavement following Union Pacific’s main line from Omaha to North Platte and beyond for most of the distance, it only seems natural to include it in this view of a westbound ... (more)

Open road: With horns blaring for small farm crossings, and fresh spring air flowing through the windows, a Union Pacific freight thunders westward at Clarks, Nebraska, on May 22, 2014. A pair of ... (more)

MPRSS has just left Butler Yard for points north and west with a load of cans headed for South St. Paul

With St. Paul's skyline directly to the east, a Union Pacific manifest with an SD70M leading waits for a crew to head down the Mankato Subdivision.

The headlights of UP SD70M 3897 reveal the heavy rain that's falling as the EMD leads an eastbound manifest toward the bank of the Missouri River.

UP 3897 accelerates into the curve and past the bike racks at Elmhurst Station as it exits Proviso yard.

Doublestacks round some of the many curves in Wheaton

Brand new SD70Ms 3897,3972,3973.