This pair of KCS engines are a very strange sight on the Moffat Tunnel line as they lead this empty Oil train westbound towards Tunnel #1.

Union Pacific’s West Local drops downgrade through Arvada, Colorado, on October 21, 1997. A pair of Rio Grande GP30s, Nos. 3006 and 3003, power the eastbound train. A carman from North Yard ride... (more)

4 Rio Grande engines and a Southern Pacific SD45 drop down the Moffat Tunnel line heading East towards Denver. The rear of the train can be seen in the background, too bad there wasn't a caboose ... (more)

D&RGW’s three famous F units operated on the ski train only for the 1984 season after the demise of the Rio Grande Zephyr. Skiers on board are probably delighted with the falling snow and not b... (more)

Just before sunrise, a westbound empty crude oil train makes its way out of Barbara's Gulch and heads into the siding at Rocky. The train will let the Ski Train by before continuing up the mountai... (more)

Just before sunrise, a westbound empty crude oil train makes its way through Barbara's Gulch on the approach to Rocky. The train will take the siding here and let the Ski Train by before continuin... (more)

It's just after sunrise as the westbound Ski Train races west through Chemical, Colo., with Amtrak P42DC no. 42, the Veterans unit, on point. Downtown Denver can be seen to the right of the train.... (more)

A thin layer of clouds mixed in with haze partially block out the sun as Amtrak no. 6, The California Zephyr, coasts down the grade at track speed near Arvada, Colo., with a brand new Siemens ACS-... (more)

The Denver Metro area can be seen in the background as Union Pacific ES44AC no. 7463 leads this loaded crude oil train from Wash, Utah to Midwest City, Okla., down the grade from Big Ten Curve tow... (more)

After meeting Amtrak no. 6 at Leyden, a westbound Union Pacific manifest pulls west towards the foothills and Colorado Rockies as the sun has set closing another day on November 06, 2014.

Amtrak train No. 6 is about to overtake an eastbound UP loaded coal train in the siding at Rocky where he'll tie down as Denver has no room for them.

With BNSF experiencing a shortage of power, they leased a lot of ES44ACs from CitiRail, an engine leasing company. You can see such a unit second out, behind a very good looking Warbonnet on this ... (more)

The BNSF 294 lets out some smoke as it works in tandem with two GE models while climbing the grade up to the famous Big 10 Loops just 18 miles west of Denver.

Heading around the Big Ten Curve and dropping towards Rocky siding, this loaded Oil train will soon be arriving in Denver.

On May 05, 2014, three brand new BNSF SD70ACes lead this loaded coal train down Big Ten Curve west of Denver. The train is about to enter the west end of Rocky Siding.