BNSF 6214 (ES44AC) waits in the BNSF servicing yard in Denver, Colorado as two pairs of light power pull out strings of cars for sorting.
BNSF 9285 (SD70ACe) leads an empty coal train under the Park Avenue Viaduct in Denver as it heads to the Denver Yard for a change in crew.
The California Zephyr arrives in Denver, Colorado just as the sunrise begins to kiss the glass of the downtown buildings.
A Loram maintenance of way train gets ready to leave the BNSF engine servicing facility in Denver, Colorado.
A Union Pacific ACe and a former Burlington Northern Cascade Green motor provide a colorful lineup with the BNSF pumpkins in the yard of the engine servicing facility in Denver, Colorado.
The California Zephyr has pulled into Denver Union Station which then gives a green light to BNSF 5785 (ES44AC) to take the morning Z train out of the intermodal facility in Denver, Colorado.
BNSF 3127 (GP50) heads into the Denver Yard early in the morning to sort cars.
The BNSF Beer Train heads out of Denver and will arrive at the Coors Brewery in Golden, Colorado.
UP 5767 (ES44AC) has just brought a train in and heads to the servicing island at the Union Pacific's North Yard in Denver, Colorado.
A wide-angle view of the Union Pacific's North Yard in Denver, Colorado shows the fuel and sand service islands on the left, the ready tracks in the middle (with a former Southern Pacific GP40M - ... (more)
The Denver Rock Island Railroad is in the process of repainting the former Mount Hood Railroad GP38-2 into the Rock Island blue colors.
Snow is falling in Denver, Colorado as the California Zephyr passes a waiting Union Pacific coal train and heads towards the Moffat Tunnel district.
UP 8131 (ES44AC) waits on the Belt Line for a green that will allow it to head to the Greeley Sub.
Light snow is falling as the California Zephyr 5 train leaves Denver and heads up the Moffat Tunnel Sub.
Heavy snow is falling fast as the crew of UP 8233 (ES44ACH) gets ready to drop off an oil can train on the ready track for a new crew to take up the Moffat Tunnel Sub.