It's the first of the year as BNSF ES44AC No. 6279 leads the first Denver, Colorado to Laurel, Montana manifest of the year along CO-HWY 119 just outside of Longmont, Colorado on January 01, 2016.

The hum of dynamic brakes fills the air as two Union Pacific AC4400CW's ease a loaded coal train from West Elk Mine down the grade near Leyden in Arvada, Colorado on this sunny and chilly Christma... (more)

It's just after sunset as the second of two Texas coal loads makes its way through the northern part of Colorado Springs, Colorado on December 06, 2015.

It's a gorgeous sunny morning on Raton Pass as Amtrak's westbound Southwest Chief, train No. 3 climbs the grade through the s-curve at Gallinas, Colorado on December 06, 2015.

The sun has gone behind the mountains for the day as the second of two coal loads heads west with a pair of BNSF SD70ACe's leading just east of Hudson, Colorado on December 14, 2015.

Amtrak's westbound California Zephyr led by the "Big Game" P42DC heads west through Tolland, Colorado on September 27, 2015. The original California Zephyr Dome-Observation "Silver ... (more)

Framed underneath a cut of covered hoppers is BNSF's Denver, Colorado to Laurel, Montana manifest led by C44-9W No. 4618 that is seen going through Highland, Colorado on a chilly December 13, 2015... (more)

Dusk has arrived as BNSF's Denver to Pueblo, Colorado manifest rolls on through the northern part of Colorado Springs just after sunset on December 06, 2015.

After doing work on the Lafayette Branch, the Buck Local powered by two "Heritage Two" painted B40-8W's takes their power so they can run around their train at Broomfield, Colorado just ... (more)

Three UP units and a CSX SD70ACe lead the Los Angeles, California to Global I (Chicago), Illinois Z-Train around the sweeping s-curve on Archer Hill east of Cheyenne, Wyoming on November 28, 20

An eastbound manifest led by Union Pacific SD70AH No. 8942 eases down the grade on Main 1 between Buford and Sherman Summit, Wyoming on November 28, 2015.

The first of three eastbound manifests that are tied down on Main 1 from Cheyenne to Borie, Wyoming can be seen patiently waiting for a new crew to take the train east to North Platte, Nebraska on... (more)

Denver & Rio Grande Western Railroad K-27 No. 463 leads the eastbound passenger train No. 216 from Chama, New Mexico across the trestle at Los Pinos, Colorado on July 22, 2015.

Three BNSF SD70ACe's Nos. 9085, 9260, and 9388 lead the Laurel, Montana to Pueblo, Colorado manifest up the 2-percent grade on Burkes Hill near Louisville, Colorado on November 22, 2015.

The rain starts up again as a northbound Pueblo, Colorado to Tacoma, Washington loaded rail train breaks the silence in the old neighborhood along Atwood Street in Longmont, Colorado on November 1... (more)