Cumbres & Toltec No. 484 patiently waits for the passengers from Osier and Antonito to exit the train at the depot in Chama, New Mexico on July 21, 2015 as well look through one of the many pieces... (more)

BNSF's westbound Denver, Colorado to Provo, Utah manifest led by two GEVO's and a Canadian Pacific AC4400CW patiently wait at Tolland, Colorado for three trains to pass by before heading west on S... (more)

Union Pacific AC4400CW No. 7274 leads two SD70M's on the MNYGJ 27 (North Yard - Denver, Colorado to Grand Junction, Colorado manifest) up the 2-percent grade between Eisele and Plainview in Coal C... (more)

It's a gorgeous Fall morning up in the high country as Union Pacific ES44AC No. 8198 brings up the rear on the North Yard (Denver), Colorado to Grand Junction, Colorado manifest train at the east ... (more)

It's the first day of Fall as the Longmont Switch led by BNSF SD40-2 No. 1600 rolls on through the "sag" just south of Berthoud, Colorado on September 23, 2015. A colorful lash up makes ... (more)

Two BNSF ES44AC's Nos. 6109 and 5764 bring up the rear of this empty coal train as they cross the Cache La Poudre River in Fort Collins, Colorado on September 23, 2015.

It's just before sunrise as a loaded ballast train led by BNSF C44-9W No. 4104 departs Longmont, Colorado on September 20, 2015.

It's a gorgeous morning in Colorado's High Country as Amtrak's westbound California Zephyr rounds the curve before entering Tunnel 19 near Crescent, Colorado on September 20, 2015.

Two former Southern Pacific AC4400CW's, now patched for the UP lead an eastbound loaded coal train down the 2-percent grade into the suburb of Arvada, Colorado at Leyden on September 14, 2015.

Union Pacific ES44AC No. 7695 leads Kansas City Southern SD70ACe No. 4000 on a short Roper Yard to North Yard manifest around the curve next to South Boulder Creek east of Tolland, Colorado on Sep... (more)

Once the train crew completes their switching, the hostlers take over and clean out the ash at the pits near the coaling and water towers before taking the locomotive back to the shop building at ... (more)

The sun rises in the eastern skies of Colorado as Union Pacific's North Yard (Denver), Colorado to Roper Yard (Salt Lake City), Utah manifest crosses over CO-HWY 72 in Coal Creek Canyon on August ... (more)

Three UP GE's lead five GP15-1's on the North Yard - Roper Yard manifest through Tolland, Colorado on September 05, 2015. The GP15-1's are going into storage at Grand Junction.

An SD70ACe brings up the rear of the westbound Roper Yard manifest as they round the big s-curve between Tolland and East Portal on September 05, 2015.

It's a gorgeous afternoon in the high country as two Kansas City Southern SD70MAC's Nos. 3930 and 3967 lead a standard UP AC4400CW on this Kansas City, Missouri to Wash, Utah empty crude oil train... (more)