Another loaded coal train descends around the Big 10 curve.

Two clean Union Pacific GEs lead the eastbound UP coal train that is exiting Big 10 Curve and heading for Rocky, Colorado, seen directly above the locomotives on August 11, 2015. Above the lead lo... (more)

As a Union Pacific coal train drops downgrade approaching Rocky, Colorado, the lone DPU holds back the train near the east switch at Eisele (formerly Clay), Colorado, on August 11, 2015. When watc... (more)

The lead locomotives of an eastbound Union Pacific coal train are about to take down the signals at the west end of Rocky, Colorado, on August 11, 2015, as three mid-train DPUs pass by just moment... (more)

The lone DPU on the rear of an eastbound Union Pacific coal train features a surviving Southern Pacific locomotive west of Rocky, Colorado, on August 11, 2015. SP GE AC4400CW No. 335 is one of onl... (more)

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)

On a warm February 14, 2015, an eastbound BNSF manifest freight descends through Big 10 Curve west of Rocky, Colorado.

Union Pacific EMD SD9043MAC No. 8059 leads a wreck train westbound at Rocky, Colorado, on March 5, 2000. From what I remember, the train was dispatched to a derailment at remote Azure on the west ... (more)

On the rear of the Denver-based wreck train at Rocky, Colorado, on March 5, 2000, is a former Rio Grande heavyweight passenger car, and just ahead of it is a former troop sleeper. Both are support... (more)

Amtrak’s 'Winter Park Express' ski train passes through Big 10 Curve west of Rocky, Colorado, on the way to the Winter Park ski resort. Since the train will return to Denver's Union Station in ... (more)

AMTK 93 leads a 7 car string through Big 10 Curve, heading to the Moffat Tunnel and California. Not sure where the passenger's luggage was stored as this train does not have a luggage car.

Not exactly a “ski train” but officials of the Burlington Northern wanted to visit Colorado’s Winter Park Ski Resort at the west end of Moffat Tunnel on the former D&RGW, and this is their t... (more)

Amtrak No. 5, the westbound California Zephyr, climbs the two-percent grade toward Big 10 Curve west of Rocky, Colorado, on April 22, 2006. In a few moments, the train will circle Big 10 Curve and... (more)

My wife Katie holds our 6-month old Beagle Riley, as they watch Amtrak’s westbound California Zephyr climb the two-percent grade toward Big 10 Curve west of Rocky, Colorado, on April 22, 2006. W... (more)

AMTK 93 passes through Rocky, Colorado and will soon enter the Big 10 Curve.