UP 6416 & 5647 power an eastbound grain train.

UP 2533 (ES44AC) leads a freight through the open range lands south of Laramie, Wyoming.

UP 801 (GP38-2) works a yard in Commerce City, Colorado as they shuffle gondolas at a metal recycling facility.

UP 801 (GP38-2) pulls a cut of cars out of the yard in Commerce City, Colorado.

Union Pacific C45AH 2672 leads and eastbound unit train through Modesto Ca.

UP 1957 (SD40N) sorts a cut of cars in the Union Pacific's North Yard in Denver, Colorado.

A pair of UP SD40N locomotives leads a transfer onto the Harbor from the CPKC back to Proviso.

UP 801 (GP38-2) pulls out a cut of gondolas at a yard in Commerce City, Colorado.

UP 5654 (AC4400CW-CTE) leads a freight on the Greeley Sub past silos in Commerce City, Colorado.

The Colorado Rocky Mountains loom large above UP 2698 (AC4400CW) as it leads an oil train towards Arvada, Colorado on the Moffat Tunnel Sub.

UP 6825 (ES44AC) runs past the signal at Leyden, Colorado.

UP 8009 (ES44AC) muscles an oil can through Leyden, Colorado.

UP 8639 (SD70ACe) shoves an oil can train through a very snowy Tolland, Colorado.

Some trains are harder to photograph than others. In my attempt to find something good to shoot Saturday. I stumbled across this eastbound in the SLC Intermodal yard about 8:30 a.m. The LA Z train... (more)

UP 7302 & 6521 power a westbound manifest.