After a short stop at Greeley, UP 844 storms through Platteville on its way to Denver for the annual Frontier Days Train.

A small group of photographers at Terry Ranch Road snap a few frames of the 844 making its move to Denver prior to Frontier Days.

UP 844 and 1943 lead the 2018 Edition of the Cheyenne Frontier Days Train. Here it is seen passing under Interstate 25 as it begins its southbound "deadhead" move to Denver, CO.

The early morning Colorado sunrise reflects off the running gear of UP 844 as it sits in the Union Pacific's North Yard.

UP 844 leaves Denver behind and heads to Cheyenne, Wyoming with a load of lucky passengers.

Under a gloomy sky Union Pacific FEF-3 no. 844 briefly returns to freight service as she heads home from Denver on the point of mixed freight, slipping through a cut between Swan and Wycon on main... (more)

In what appears to be a scene from the 1950's, UP 844 gets ready to lead the Cheyenne Frontier Days train from the Union Pacific's North Yard in Denver, Colorado.

A fiery Colorado sunrise, made possible from the many wildfires burning in the state, reflects off the boiler and tender of UP 844 as it backs into position as the head engine on the Cheyenne Fron... (more)

The sun is just starting to peek over the horizon as UP 844 repositions in the UP's North Yard to lash up with UP 1943 and the numerous passenger cars that will take railfans to Cheyenne, Wyoming ... (more)

UP 844 crosses the South Platte River on the Belt Line as it heads for the UP main track which will take it to Cheyenne Wyoming.

The sounds of steam accompanied the echos of the Frontier Days 'kick off' parade in nearby downtown as 844 eases the CFD special down P1 alongside the historic 1887 passenger station. Soon the pas... (more)

UP 844 leads the long line of glistening Union Pacific coaches and domes northbound out of Denver heading toward the Cheyenne Frontier Days Rodeo.

UP 844 leaves Denver behind and runs past the refineries of Commerce City on its way to Cheyenne, Wyoming. This will be the last year of this special Cheyenne Frontier Day train unless someone i... (more)

In a change from recent years the 2018 edition of the Denver Post's Frontier Days special will layover at Union Pacific's, former Rio Grande, North Yard. Linking North Yard with UP's Greeley Subdi... (more)

As the fertile farmlands in northern Colorado's high plains show vibrant life Union Pacific 844 storms through Peckham on the Greeley Subdivision. This deadhead move is positioning 21 pieces of Un... (more)