The Union Pacific relocated their Denver & Rio Grande Western Jordan Spreader DRGW AX-41 from Grandby, Colorado to Denver, with the goal of taking it to Wyoming to help with the heavy snows.

BNSF 7193 (ES44C4) shoves a long freight through Big Ten Curve as it climbs up the Moffat Tunnel sub towards Blue Mountain.

A BNSF freight with 9 motors, including a Canadian Pacific and a KCS Belle, heads into Little Ten Curve as it begins the journey up the Moffat Tunnel Sub.

A nine unit consist pulls a long freight through Big Ten Curve and is heading towards Coal Creek Canyon in Colorado.

Dawn just starts to break with the Denver Skyline in view as UP 5430 (ES44AC) brings a coal train into the siding at Rocky, Colorado.

It looks like BNSF 3784 (ES44C4) is leading the BNSF Provo manifest down a roller coaster ride through Rocky, Colorado.

Here we see the entire stretch between Rocky, Colorado in the upper left and Big Ten Curve in the upper right. BNSF 4327 has just gone through Big Ten and is heading towards Little Ten before tur... (more)

A westbound BNSF manifest freight arrives in the siding at Rocky, Colorado, to meet Amtrak and a Union Pacific freight on the afternoon of June 28, 2014. Lining the siding is materials and equipme... (more)

UP 8216 (ES44AC) leads a coal train through Rocky, Colorado on the Moffat Tunnel Sub.

Amtrak engine #170 (P42DC) kicks up the snow as it runs the California Zephyr through Rocky, Colorado.

The air is chilled from sub-freezing temperatures as the Winter Park Express Ski Train runs through Little Ten Curve at dawn. The train runs on the weekends (Friday - Sunday) and takes skiers and... (more)

The Winter Park Express Ski Train winds through Little Ten Curve at Rocky, Colorado while the golden sunrise glints off the stainless steel cars.

Patterns in Frost Ye old Game Blind I started shooting in 2016 comes alive in heavy Hoar Frost and to my delight it’s been cleaned out by UP? Or another rail fan? Not sure but it’s... (more)

The California Zephyr 5 train runs through Little Ten Curve as it leaves the Denver skyline in the background on its way to the Rocky Mountains.

UP 2010 (ES44AC) leads a rare loaded coal train down the Moffat Tunnel Sub as it runs through Rocky, Colorado.