An eastbound Burlington Northern Santa Fe manifest freight drops downgrade off Big 10 Curve approaching Rocky, Colorado, on the afternoon of April 13, 2002.

An eastbound Burlington Northern Santa Fe manifest freight train, led by Santa Fe warbonnet GE C44-9W No. 627, brings a train out out of the siding at Rocky, Colorado, on the morning of June 24, 2... (more)

There’s a traffic jam of freight trains at Rocky, Colorado, on the morning of June 24, 2000. Union Pacific’s MDVGJX, an extra Denver to Grand Junction train, holds the main line at Rocky. On t... (more)

Nine BNSF GE locomotives (the ninth is on the rear of the train as a single DPU) are on an eastbound BNSF manifest freight train approaching Rocky, Colorado, on the afternoon of July 22, 2006.

Led by Southern Pacific GE AC4400CW No. 340, an eastbound Union Pacific coal train descends the two percent grade between Clay and Rocky, Colorado on April 13, 2002. The head en is approaching the... (more)

Powered by a pair of Rio Grande EMD GP40-2s, Union Pacific’s West Local switches the aggregates plant at the end of Rocky Spur leaving the main line at Rocky, Colorado, on February 21, 2002.

Climbing toward Big 10 Curve between Rocky and Clay, Colorado, is the Rio Grande Ski Train on the morning of March 3, 2006.

Rio Grande GP40-2 Nos. 3126 and 3121 roll downgrade light engine on the Rocky Spur at Rocky, Colorado, passing an eastbound Union Pacific coal train led by AC4400CW No. 6458 tied down in the sidin... (more)

Amtrak’s westbound California Zephyr climbs out of Rocky, Colorado, after meeting an eastbound Union Pacific coal train on June 28, 2008. In a few minutes after circling Big 10 Curve, No. 5 will... (more)

A westbound Burlington Northern Santa Fe freight climbs the front range of the Rockies at Rocky, Colorado, as it circle through “Little 10 Curve” on Union Pacific’s former Rio Grande Moffat ... (more)

BNSF 5937 (ES44AC) waits at the Rocky siding after Big Ten Curve for a replacement crew, which will then take the train into Denver, Colorado.

We waited and listened for the California Zephyr, knowing that it would be arriving shortly amid the dense fog and freezing temperatures. Even so, the ghostlike P42DC surprised us as it broke thr... (more)

In super dense fog, blowing snow and freezing temperatures, UP 8919 (SD70ACe) leads a freight through the turn at Rocky, on its way to the North Yard in Denver, Colorado.

Last night's blizzard has coated the trees with a thick layer of snow. The house on top of the foothill sure has a great view of the Moffat Line operations.

The morning's Colorado Ski Train passes a BNSF freight (with assisting UP engine) which has taken the siding at Big Ten Curve.