Two UP heavies hold in the 36th Street Yard while the light power sorts cars.

UP runthrough power brightens up a winter day.

UP SD70M's bring CSX train Q583 into its terminating point of Tilford Yard. The power would later run the wye and go to Hulsey to be used on a stack train.

Moments after sunset, a Westbound UP auto train continues its climb up the famous Donner Pass while running away from a thunderstorm that hit Reno, NV.

UP stack train changes tracks on its way south from Fremont to Valley.