UP 845 (GP38-2) works an industrial yard in Commerce City, Colorado.

UP 845 (GP38-2) works the Union Pacific's North Yard in Denver, Colorado.

UP 845 (GP38-2) sits in the North Yard along with a Southern Pacific patched unit.

The sun has just risen as UP 845 (GP38-2) works a cut of cars into the ladder in the Union Pacific's North Yard in Denver, Colorado.

UP 845 (GP38-2) has just released a cut of cars into the Union Pacific's North Yard in Denver, Colorado.

UP 845 (GP38-2) is getting covered in thick snow from a winter storm that has blanketed the Colorado Front Range.

Long shadows in the early minutes of sunrise creep across the Union Pacific's North Yard as UP 845 (GP38-2) gets a early start sorting cars.

The flashing light on UP 845 (GP38-2) indicates that the tank is configured for remote operations.

UP 845 (GP38-2) sits with other light and heavy power waiting for service or assignments in the UP's North Yard in Denver, Colorado.

Missouri-Kansas-Texas GP38-2 314 was built by GM’s Electro-Motive Division in August 1974. This Geep was renumbered to Union Pacific 2345 in 1990. (I love locomotives with consecutive numbers!... (more)

Five GP30s work their way west, out of Hermosa Tunnel, picking up speed as they move downhill toward Laramie.

Remote Control Unit