UP 1358 (GP40N) joins other light power at the North Yard in Denver, Colorado.

UP 1507 (GP40N) works the North Yard in Denver, Colorado.

Local LRS44R leaves UP mainline bound for Ceres and Turlock Ca

UP 1507 (GP40N) runs into the North Yard in Denver, Colorado.

UP 1358 (GP40N) sits with other light power in the North Yard, outnumbering the heavy units waiting for service or an assigned train.

Union Pacific local LNM34 heads north across the beautiful rolling hills and farmlands in central Iowa on its return trip to Marshalltown from Eddyville. They're seen here rolling into Gilman, IA.

Union Pacific local LNM34 heads back north to Marshalltown from Eddyville as they pass through New Sharon, IA.

Light snow falls on UP 1507 (SD40N) as it drops off a gondola at a recycling facility in Littleton, Colorado.

Snow is falling as UP 1507 (SD40N) crosses Santa Fe Drive in Englewood, Colorado, taking with it a gondola and a bay window caboose.

The broad Platte River valley plays host to another westbound train on the Union Pacific's route of the original Transcontinental Railroad. It's always a treat to catch one of the locals with olde... (more)

A westbound Union Pacific local cruises along the Overland Route behind some older EMD power as it makes its way between Columbus and Grand Island.

Union Pacific local LRS99 will pause at Ripon Ca. to cut out cars before rolling east to Modesto.

UP 1358 (GP40N) has just dropped off a cut of hoppers and heads back to the yard in Florence, Colorado.

Modesto local LRS99 is bound for UPs branch line to Turlock Ca.

Union Pacific 1452 bound for Turlock Ca.