Westbound DRGW "Ford Fast" descending Tennessee Pass

After meeting Amtrak no. 5 and getting a relief crew at Tolland, Union Pacific's Energy Mine, Colo., to Valmont (Boulder), Colo., loaded coal train rounds the curve over South Boulder Creek as the... (more)

Summer is just right around the corner, as seen here in the beautiful canyon east of Tolland. Here, Union Pacific's North Yard (Denver), Colo., to Phippsburg, Colo., manifest led by ES44AC no. 751... (more)

With the Front Range Flatirons dominating the scene, UP's West Elk Mine, Colorado to Blue Island, Illinois loaded coal train (CWEKS 25) led by ES44AH no. 8262 rolls on through the tunnel district ... (more)

Descending the Divide. A bran-new GEVO holds back a train of Colorado Black Diamonds as it rounds a curve at Crescent, Colorado. Moffat Road!

Climbing through a snowy Crescent, Colorado, on March 19, 1998, is Amtrak’s westbound California Zephyr.

Union Pacific's Roper Yard (Salt Lake City), Utah to North Yard (Denver), Colo., manifest rounds the curve at Tolland over South Boulder Creek after meeting the westbound Amtrak California Zephyr.

All three of BN’s executive units (BN-3 was an E unit) were on BN’s company ski train on the D&RGW headed for Winter Park, Colo. at Crescent on Jan. 14, 1993. Gross Dam in the background con... (more)

BN’s executive ski train slips through 90-ft. Tunnel 29 (the shortest one on D&RGW’s Moffat Line) near Pinecliff, Colo. as it heads back to home rails at Denver on Jan. 18, 1994. The F unit... (more)

After allowing board members, officers and their guests to enjoy the Winter Park, Colo. ski slopes on the other side of the Continental Divide, executive F’s BN-1 and 2 are on the D&RGW and retu... (more)

It's 2015 and there's still Denver and Rio Grande Western searchlight signals still in use on the mainline. It's amazing these haven't been replaced yet. Anyways, Union Pacific SD70AH no. 8846 lea... (more)

It's a gorgeous morning as Union Pacific's Roper Yard (Salt Lake City), Utah to North Yard (Denver), Colo., manifest rounds the curve at Tolland over South Boulder Creek. The train has just met th... (more)

The Rio Grande Ski Train crosses over an icy South Boulder Creek just east of Pinecliffe, Colorado, on March 2, 2006.

An eastbound Union Pacific coal train passes through the rugged landscape of Rollins Canyon east of Rollinsville, Colorado, on a sunny March 1, 2009.

A warm July morning finds the ML, MRL's Missoula to Laurel freight, descending the east slope of Mullan Pass over Skyline Trestle, referred to as "Austin Gulch" on track charts.