The late evening sun catches BNSF 8406 (SD70ACe) running in front of a rock formation at Palmer Lake, Colorado.
UPY 618 (GP15-1) sits in the North Yard in Denver, Colorado with a variety of other light and heavy power.
Amtrak 6 Going through big 10 heading east to Leyden.
UP 1507 (GP40M) heads to the BNSF yard in Denver, Colorado with a cut of freight cards from the Union Pacific's North Yard.
Kansas City Sothern #4709 (ES44AC) leads a grain train towards Larkspur, Colorado as it runs south on the Joint Line.
BNSF 8578 (SD70ACe) leads a loaded coal train through Acequia, Colorado as it heads south on the Joint Line.
The California Zephyr whips up the snow as it runs through Leyden, Colorado on its journey into the Colorado Rocky Mountains.
Amtrak engine #192 (P42DC) leads the California Zephyr through Keenesburg, Colorado as the sunrise begins to break on the horizon.
Bumble bee on point!
UP 9050 SD70AH runs past a frozen Boulder Creek as it heads east through Tolland, Colorado on the Moffat Tunnel Sub.
Nearly the entire grain train can be seen snaking through the S curves at Spruce, Colorado as KCS 4709 (ES44AC) runs south on the Joint Line.
With snow covering the Rocky Mountains in the background, the Southwest Chief runs through the S curves south of Trinidad, Colorado.
The California Zephyr runs around the base of Blue Mountain as it heads into Coal Creek Canyon.
Snow is falling over Coal Creek Canyon, Colorado as the California Zephyr runs through the cut leading up to Tunnel #1.
Eight GE and EMD locomotives are leading Union Pacific’s MNYRO westbound as it approaches Big 10 Curve between Rocky and Eisele, Colorado, on February 9, 2015.
