BNSF 5712 (AC4400CW) races the sunrise to take a loaded coal train through Roggen, Colorado on its way to Denver.

UPY 625 (a former Missouri Pacific GP15-1) waits for the OK to move into the yard to sort freight cars.

UP 6454 (AC4400CW) sits in the North Yard in Denver until the green is given to journey up the Moffat Tunnel Sub and over to Grand Junction in the west side of Colorado.

UP 6454 (AC4400CW) waits in the North Yard in Denver, Colorado before taking an officers special up the Moffat Tunnel Sub.

BNSF ACe 9007 runs past a meadow of wild sunflowers as it heads west on the Brush Sub at Keenesburg, Colorado.

BNSF 7205 (ES44DC) passes a silo as it heads into the sunrise at Roggen, Colorado.

BNSF 1798 (SD40-2) moves a cut of cars out of the Denver Yard.

Denver Rock Island Railroad's GP38-2 (A former Mount Hood Railroad motor) moves a load of oil cans to a yard in Central Denver, Colorado.

Denver Rock Island Railroad's GP38-2 (A former Mount Hood Railroad motor) drops off a couple of oil cans in the yard in Central Denver, Colorado.

BNSF 8417 (SD70ACe) muscles a coal train through Manzanola, Colorado.

BNSF 1798 (SD40-2) crosses the South Platte River as it pulls a cut of cars out of the Denver Yard.

The Southwest Chief runs through Model, Colorado as it heads towards the stop at Trinidad.

A Union Pacific Officer's Special passenger train runs through the aspen threes at Tolland, Colorado.

UPY 618 (GP15-1) was built in September of 1979 and can be found still working at the North Yard in Denver, Colorado.

Heavy snows blanket a colorful RTD commuter rail train as it runs pas the BNSF engine servicing facility in Denver, Colorado.