BNSF 8472 (SD70ACe) leads a loaded coal train over the bridge at Larkspur, Colorado.
A Colorado sunrise glints off the Denver skyline as the Winter Park Express Ski Train leaves for the Moffat Tunnel Sub.
UP 5857 (AC4400CW-CTE) leads an oil train towards a waiting BNSF train at Rocky, Colorado.
Evening light and storm clouds cover UP 7689 as it leads a military train through Greenland, Colorado.
Dynamic storm clouds and the day's last light provide a dramatic background for BNSF 6200 at Spruce, Colorado.
The day's last light catches BNSF 6200 (ES44AC) taking a loaded coal train through Spruce, Colorado on the Joint Line.
The Rocky Mountaineer's GP40-3 leads the passenger train east after exiting the portal of the Moffat Tunnel, and heads towards the Tolland Valley which is framed with gold aspen trees.
A Union Pacific freight emerges from a grove of golden aspen trees as it heads east on the Moffat Tunnel Sub.
Coors Brewery's SW1000 shoves a cut of hoppers full of grain to the massive brewing facility in Golden, Colorado.
The Denver Rock Island Railroad's #1083 (SW1500) pulls a cut of gondolas full of scrap metal to the pickup area where the BNSF will take to the Denver Yard.
The Denver Rock Island Railroad's SW1500 runs light across a busy road in the area known as the Stockyards.
The California Zephyr has a yellow signal as it approaches the Moffat Tunnel on a beautiful fall sunny day in the Colorado Rockies.
Four Boeing 737 aircraft fuselages fly low through Denver in tight formation.
A Union Pacific freight runs through the Tolland Valley on a beautiful fall day in the Colorado Rockies.
UP 1997 (SD40N) and other light power wait in the Union Pacific's North Yard for assignments as heavies fuel and sand up at the servicing islands.
