A drop table operator checks the progress of a new axle being switched out on Union Pacific EMD SD70M No. 4831. The locomotive is having its fifth wheel set/motor assembly replaced at UP’s Kansa... (more)

An SD70M basks in golden hour light, as it leads a manifest south on the Lockhart Sub

A SD70M leads manifest thru Wayne County on the CSX Rochester Sub.

Two brand new SD70Ms roll a lumber drag through the west end of Dunsmuir Yard on a perfect summer morning.

A UP manifest heads north through Jack London Square.

The sun has just set for the day as NS 126 rolls east through control point Arthur with a UP SD70M in charge.

After a morning departure from Glenwood Springs, an eastbound Union Pacific Board of Directors special curves through Dotsero, Colorado, on October 1, 2000. The train is led by new EMD SD70M No. 4... (more)

The subfreezing temps caused issues with one of the P42's so the Union Pacific added an engine up front to take the Zephyr through the Colorado Rockies.

Emerging from the bore in Bootlegger Canyon, the Potash Local rolls past the Corona Arch and its cathedral-like accompaniment of impressive rock formations on a sweltering Utah morning.

UP 4180, 5764, & 7152 westbound with a grain train.

Nearing its destination, UP's Potash Local trundles along the Cane Creek Branch under the imposing yet intricate geological formations along the Colorado River near Moab.

A pair of SD70Ms roll southbound in the intense mid-day heat tackling one of the grades on the Cane Creek Branch on their way to work Intrepid Potash before returning to Grand Junction. A sharp ey... (more)

UP's Potash Local rolls south along the Moab Fault, a geological fracture surrounded by intricate layers of sandstone including the fossil rich Morrison Formation here near Canyonlands and Moab Gi... (more)

UP 4718 & 2718 westbound with auto racks.

The afternoon sun glints off the flanks of an Eastbound intermodal train near Sandcut.