A big stack train getting ready to follow a manned helper up to Meacham.

UP 7689 (ES44AC) runs through Greenland, Colorado at sunset.

UP 1826 SD40N moves past a trio of BNSF motors sitting in the Union Pacific North Yard.

UPY 453 (which is a former Missouri Pacific SD40-2 converted to a slug by removing the prime motor) is spotted in the North Yard in Denver, Colorado.

UP 4363 (SD70M) leads a freight towards Fort Lupton, Colorado on the Greeley Sub.

UP 5640 (ES44AC) joins a mix of light and heavy power in the Union Pacific's North Yard in Denver, Colorado.

Early spring weather rolls eastward from the Medicine Bow Mountain Range and streams over Wyoming’s Sherman Hill with gray clouds on March 25, 2008. A momentary and serendipitous break in the cl... (more)

UP 8640 (SD70ACe) gets repositioned in the Union Pacific's North Yard in Denver, Colorado.

On a cold February evening in the last light, 3 UP's UP 4018 in-charge of Q377 pull the westbound manifest through the Village of Fonda

A set of road power with UP 3034 leading at Pepper Ave.

A Union Pacific ACe leads manifest NS 14Z east through Elliston, VA and by a site for the Mountain Valley Pipeline.

After waiting for some eastbound traffic at Kennard, a westbound empty coal train climbs Union Pacific's former Chicago & North Western Arlington Hill in eastern Nebraska on Thanksgiving Day 2023.

A lengthy eastbound Union Pacific train with a mix of intermodal and manifest traffic and UP and NS power descends the east side of Arlington Hill as it makes its way toward the Missouri River cro... (more)

A flagless ACe leads an eastbound auto train at Redlands as it begins the climb towards Beaumont.

The Yermo to Mojave local departs Daggett after a brief wait to enter BNSF trackage account MOW.