BNSF 5664 (AC4400CW) leads a train towards Boulder, Colorado on the Front Range Sub, passing the cooling ponds of the shuttered Valmont Power Plant.
BNSF 1880 (SD40-2) brings a cut of cars out of the Denver Yard for sorting.
UP 7505 (ES44AC) joins a nice mix of heavy and light power in the Union Pacific's North Yard in Denver, Colorado.
BNSF 7828 (ES44DC) leads a freight through Greenland, Colorado on the Joint Line.
BNSF 7828 (ES44DC) leads a long freight up the grade between Greenland and Spruce, Colorado as it runs south on the Joint Line.
BNSF 8444 (SD70ACe) shoves a loaded coal train past Barr Lake towards Denver, Colorado.
BNSF 7955 (ES44C4) leads a track safety measurement train past rock formations at Palmer Lake.
BNSF 7272 (ES44DC) runs through Monument, Colorado on the Joint Line.
UP 6417 (AC4400CW) crosses the South Platte River on the Belt Line as it heads to Denver.
UP 2751 (ES44AC) leads a freight through the aspen trees in the Tolland Valley as it heads east on the Moffat Tunnel Sub.
BNSF 7272 (ES44DC) runs south on the Joint Line passing rock formations in Palmer Lake, Colorado.
BNSF 7272 (ES44DC) leads a stack train through the 180-degree turn in Palmer Lake, Colorado.
The crew of BNSF 7828 stop to inspect the pilot and the front coupler before resuming their run south of Castle Rock, Colorado on the Joint Line.
BNSF 8572 (SD70ACe) muscles a loaded coal train past a UP military train at Greenland, Colorado on the Joint Line.
BNSF 7828 (ES44DC) runs through Palmer Lake, Colorado on the Joint Line.