It's just after sunrise as an assortment of UP and SP GE's lead the Houston, Texas to West Elk Mine, Colorado empty coal train through Rocky and Big Ten Curve just west of Denver, Colorado on Augu... (more)

It's a hazy morning as three UP GE's lead two dead-in-tow GP15-1's on the North Yard (Denver), Colorado to Roper Yard (Salt Lake City), Utah manifest through Tolland, Colorado on August 29, 2015.

Three UP SD70ACe's lead elephant style on the Roper Yard (Salt Lake City), Utah to North Yard (Denver), Colorado manifest train through scenic Byers Canyon on August 29, 2015.

Two General Electric ES44A6's Tier IV Demos Nos. 2041 and 2042 are seen leading a Mill, Texas to North Antelope Mine, Wyoming empty coal train that is seen stopped near CO-HWY 119 and CO-HWY 52 ne... (more)

Two BNSF GE's lead elephant style on the Omaha, Nebraska to Tacoma, Washington stack train at Berthoud, Colorado on August 22, 2015.

Cumbres & Toltec K-36 No. 488 climbs up the remaining portion of the 4% grade as the train comes into Cumbres, Colorado, the summit of Cumbres Pass on July 21, 2015. Here, the train will take on w... (more)

The Sange de Cristo Range can be seen in the background as Cumbres & Toltec K-36 No. 489 leads the fireman/engineer school south near Hangman's Trestle about a few miles south of Antonito, Colorad... (more)

For the past few days, smoke from numerous wild fires in Montana, Idaho, and Washington have traveled down to Colorado making conditions very hazy and dull looking. Seen here, a field of sunflower... (more)

BNSF SD70ACe No. 9178 leads another ACe on this empty coal train that is about to cross the Cache La Poudre River in Fort Collins, Colorado on August 22, 2015.

Clouds build in the New Mexican sky as Amtrak No. 3 rounds the curve at the intermediates in Valmora just east of Watrous. Tri-light signal replacements have been installed, but are not in service... (more)

You're high up in the mountains when the only sound you hear is a steam locomotive working up the grade. It's amazing... Here, Extra 489 east rounds the small s-curve near Lobato, New Mexico with ... (more)

Three BNSF C44-9W's lead the Denver, Colorado to Provo, Utah trackage rights manifest up the 2% grade at the east end of East Portal Siding on August 15, 2015.

Being high up in the mountains has its perks. The only sound you hear is the wind, some birds maybe, and off in the distance a train working up the grade towards the continental divide. Seen h... (more)

The calming sound of the water in South Boulder Creek is briefly interrupted as Union Pacific AC6044CW No. 6921 leads three more units on the Valmont (Boulder) to Energy Mine, Colorado empty coal ... (more)

After dropping off their passengers at the depot, Cumbres & Toltec K-36 No. 484 proceeds through the yard to the west end of town to be wyed for the next day's train on July 21, 2015.