A modest five car train is dwarfed by the Joso Bridge over the Snake River, Union Pacific's largest, in southeast Washington. It's been a dry summer and the sun is slightly muted by the smoke from... (more)

Stretch Limo looking DD40 locomotive looks impressive. Just needs some fresh paint.

The snow is falling at such a heavy rate that UP 8051 (ES44AC) has to use its pilot to plow the snow off the tracks.

UP 8051 (ES44AC) exits the east portal of the Moffat Tunnel into a heavy snowstorm that is blanketing the valley in nearly two feet of snow.

UP 801 (GP38-2) works the ladders in the North Yard in Denver, Colorado.

UP 1507 (GP40M) moves through the Union Pacific's North Yard in Denver, Colorado.

UP 6676 & 7355 power an eastbound loaded coal train.

UP 7177 brings up the rear of a westbound empty coal train.

A pair of GP15s is in charge of the Oskaloosa Local seen here headed south through Gilman, Iowa.

UP 3802 leads the LUE50 or LUE51 local on a Sunday afternoon at Stauffer, Utah.

A GP38-2 555 that was actually originally Union Pacific 2055. UP 555, 724 lead the Chevron local. Working the Chevron refinery.

UP 1817 (SD40N) sits in the Union Pacific's North Yard in Denver, Colorado.

UP 1826 (SD40N) pulls up to the yard crew who will board as head to the north end of the yard.

I think Alfred Hitchcock would have liked this photo. UP 1826 (SD40N) works the Union Pacific's North Yard in Denver, Colorado as hundreds of birds circle, waiting for the chance to land on the tr... (more)

A Union Pacific oil can train is seen from inside a rock formation at Crescent, Colorado.