Going UP the hill....not as much fun as heading down....still, the Big Boy is making its way to Cheyenne on a snowy November morning.

The Denver Rock Island Railroad's 1083 (SW1500) shares the road as it moves cars to a client in north Denver, Colorado.

The California Zephyr arrives in Denver through the BNSF yard with a special delivery of a new Siemens Charger that will be dropped off at the Denver Union Station.

AMTK 83 (P42DC) passes a BNSF engine on the ready track as it backs into Denver's Union Station.

RTD 4031 (Hyundai Eagle P3) runs past the Union Pacific's North Yard in Denver, Colorado.

UP 7696 (AC45CCTE) waits for a crew which will then take the loaded coal train east of Denver, Colorado.

Here is a good view of the operations building a the Union Pacific's North Yard in Denver, Colorado. UP 1826 (SD40N) sits waiting for its turn to shuffle freight cars in the massive yard. ... (more)

Denver Rock Island Railroad's SW1500 crosses the road to pick up a cut of gondola cars at a scrap metal facility.

BNSF 1798 (SD40-2) sits on a ready track as the California Zephyr and the private car Tioga Pass reverse into Denver's Union Station.

Denver Rock Island Railroad's 1083 (SW1500) heads out in the morning to run some jobs for clients in Denver.

Denver Rock Island Railroad's 1083 (SW1500) crosses the road with a cut of gondolas for an industrial client in north Denver.

BNSF 1880 (SD40-2) leads a cut of cars over the South Platte River and will soon back into the yard while it sorts freight.

UP 8085 (AC45CCTE) runs past an Xcel power plant in north Denver as it heads towards the Greeley Sub.

UP 8962 (SD70AH) moves into the North Yard to pick up a train for the Moffat Tunnel Sub.

UP 6833 (AC4400CW) holds on the Belt Line before it releases and heads east.