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

UP 8147 (ES44AC) runs through Coal Creek Canyon as snow and fog moves into the valley.

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.

Union Pacific operates a few trains over BNSF's Chillicothe and Marceline Subs between Chicago and Kansas City. In recent years, it seems the number of UP trains has dwindled. On a visit to the Ch... (more)

A short north bound UP cement train slowly climbs its way up and out of the shadows around the Cameron Road crossing area and is approaching the Monolith area on a cold winter afternoon while the ... (more)

Bottoms From Above | Looking down from a city park on a bluff in Kansas City, MO on a gray Sunday, February 4, 2024 afternoon, a Union Pacific coal train is seen heading east through the We... (more)

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

Union Pacific AC4400CW 6279 shows its heritage as Southern Pacific 248, built by GE in June 1995, and spotted at the UP's Dolores Yard. (Carson, California – October 1, 2008)

On Cinco de Mayo, Union Pacific railroad local LOW10-06, with UP GP40-2 1442 (ex-SSW 7279), GP60 1150 (ex-UP 1903, ex-UP 5703, née-SP 9600), GP40P-2 1373 (ex-SP 7601, née-SP 3198) and SD7... (more)

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 801 (GP38-2) sits in 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.