A BNSF freight is eastbound at Crescent, Colorado, on May 10, 2007. The imposing Continental Divide provides a snow-covered background on this nice spring day.

Autumn at East Portal
On a beautiful September 23, 2005, a UP coal train led by Southern Pacific AC4400CW No. 266 begins the decent to Denver after leaving the Moffat Tunnel at East Por... (more)

An eastbound Union Pacific coal train leaves East Portal siding on October 4, 2011, amid the golden colors of autumn.

A meet and a pass
The Rio Grande Ski Train is westbound out of Rocky, Colorado, on the cloudy morning of June 28, 2008. It just met a Union Pacific coal empty at Rocky siding, and is ab... (more)

Amtrak’s California Zephyr passes the Ski Train in the siding at Fraser, Colorado, amid a flurry of blowing snow on January 3, 2004.

The American Orient Express is westbound climbing the Front Range of the Rockies on September 21, 2001. The train is threading the former Rio Grande right-of-way between Tunnel 2 and 3, and the sc... (more)

Through the Flatirons
On February 28, 2011, a Union Pacific coal train descends the Front Range of the Rockies. The train is exiting Tunnel 4, threading Tunnel 3, and is going through a... (more)

On June 28, 1998, Amtrak No. 5, the California Zephyr is at Clay, Colorado. This train is running 10 hours late, and is entering Clay siding to meet Amtrak No. 6! General Electric-powered by two G... (more)

On May 29, 2011, Amtrak No. 6, the California Zephyr, cruises through Clay, Colorado, as a westbound UP coal empty waits patiently at Rocky siding below.

Chicago & North Western in the mountains
A former C&NW AC4400CW teams up with a Southern Pacific locomotive of the same model on a westbound Union Pacific coal empty at Cliff, Colorado,... (more)

After a heavy snowstorm blanketed the Front Range of the Rocky Mountains with snow, an eastbound Union Pacific coal train enters Crescent siding on the morning of December 22, 2006. The Continenta... (more)

A heavy early morning fog is just lifting off the Flatiron rock formations at Plainview, Colorado, as Amtrak’s California Zephyr crosses the west switch at Plain and is about to enter Tunnel 2 and... (more)

Spring is a couple days off, but the snow is wet and sticking to the trees like it is already spring. Four Southern Pacific AC4400CWs haul an empty coal train through the snow-covered trees at Cre... (more)

The rolling wheel of a hopper car on an empty Union Pacific coal train as it rumbles through Cliff, Colorado, on February 15, 2008.

The Rio Grande Ski Train waits at the Fraser, Colorado, station platform at dusk on a snowy January 3, 2004. Soon, the train will depart for Winter Park to pick up a load of exhausted skiers ready... (more)