UP 5340 (ES44AC) leads a freight towards Winter Park, Colorado.

For the first time in many years the Union Pacific activated the Rotary Plow UP 900082 to fight snow drifts in Rollinsville, Wyoming.

Here is a good shot of the Union Pacific operations building in the North Yard in Denver, Colorado.

There is a colorful collection of engines in the Denver engine yard.

Snow is falling in the Colorado Rocky Mountains as BNSF 2854 (GP39-2) heads to Broomfield. Colorado.

Amtrak's Southwest Chief runs south of Trinidad and the snow covered peaks give way to dry, windy and hot New Mexico air.

Heavy snow is falling as a deer scampers away from the track, just as the California Zephyr runs through the S curves at Rainbow Cut in Plainview, Colorado. On point is Amtrak's Operation Life Sa... (more)

The Southwest Chief runs through Earl, Colorado as its way to Trinidad.

The area just south of Trinidad, Colorado has some beautiful scenery and S curves in the track.

The Southwest Chief runs in an area south of Trinidad, Colorado as it heads for New Mexico.

The Amtrak Winter Park Express Ski Train runs through Plainview, Colorado as seen from the top of the Eisele Siding at Blue Mountain.

UP 8216 (ES44AC) leads a freight across the bridge at Rollinsville, Colorado as it runs east on the Moffat Tunnel Sub.

UP 5518 (C45ACCTE) leads the California Zephyr 6 through Coal Creek Canyon in Colorado.

The Southwest Chief notches up as it splits the semaphore signals north of Wagon Mound, New Mexico.

The Southwest Chief winds its way through the S curves south of Trinidad, Colorado.