UP 1826 (SD40N) works a cut of cars in the Union Pacific's North Yard in Denver, Colorado.
BNSF 6039 (ES44AC) muscles a loaded coal train through Spruce, Colorado as it runs southbound on the Joint Line.
BNSF 9243 (SD70ACe) leaves the Coors Brewery in Golden, Colorado and will arrive with the Beer Train in about 45 minutes in Denver.
Pikes Peak looms in the distance as BNSF 6039 (ES44AC) shoves a load coal train towards Spruce, Colorado.
BNSF 7993 (ES44DC) leads a stack train through a corner west of Keenesburg, Colorado.
It is an active day in the Union Pacific's North Yard in Denver, Colorado.
The California Zephyr exits Tunnel #1 at Plainview, Colorado. There will be 28 more tunnels before the train crosses under the Continental Divide.
Snow falls at Plainview, Colorado as the Winter Park Express Ski Train takes a load of skiers to the resort on the Moffat Tunnel Sub.
BNSF 6751 (ES44AC) joins other engines waiting for service at the facility in Denver, Colorado.
BNSF 9015 (SD70ACe) leads a freight under the elevated track of the RTD Commuter Rail line between Denver and Thornton, Colorado.
Fresh snow covers the North Yard in Denver, Colorado as UP 1826 (SD40N) works on sorting a cut of cars into the various ladders in the yard.
UP 1826 (SD40N) sits in the North Yard in Denver, Colorado waiting for the call to sort freight cars.
Cargill Grain's #1134 (SW1200) crosses a road near the silo in Commerce City, Colorado.
The California Zephyr passes a BNSF freight which has pulled onto the siding at West Tonville, Colorado.
The Amtrak Winter Park Express Ski Train climbs out of Coal Creek Canyon towards Tunnel #1 at Plainview, Colorado.
