The BNSF Jordan Spreader has sat in the Denver Yard for years, hopeful that the call to duty will eventually come.

GATX 2679 and UP teammate wait their turn to shuffle freight cars in the 36th Street Yard.

Synchronized freight car shuffling is about to get into full swing at the 36th Street Yard as a couple of GP15-1's (UPY 681 and 570) jockey for position.

A BNSF crewmember guides 5512 towards forming a Norfolk and Southern sandwich in the Denver engine shop yard.

BNSF 5512 emerges from the Denver engine shop building into the morning sunrise while BNSF 1700 (SD40-2) awaits its turn.

The RTD D Line brings riders from the suburbs into the heart of downtown Denver.

These BNSF units catch the sunrise while waiting for their crew. The BNSF Engine Shop Yard is caddy-corner to the Colorado Rockies baseball field and during a game you can often hear horns blow as... (more)

A couple of old-school painted engines representing a combined 57 years of operation are spotted waiting for service in the BNSF engine shop yard.

Rail is the major transportation mode for coal and grain. In the North Yard on this day an empty coal train heads back to Wyoming for a refill and a loaded grain train is heading south.

Snow, sand and fuel: An employee from the fuel track at North Yard at Denver, Colorado, fuels and sands a line of locomotives on the very snowy afternoon of April 15, 2013.

A railroader at Denver’s North Yard sweeps out a switch at the fuel track before being able to move some locomotives in a spring snowstorm on April 15, 2013.

It was an all SD70MAC show as two are moving a load of coal through Denver while the third sits idle waiting for orders to head to the yard.

GMTX 2688 and other UP power sit at the entrance to the 36th Street Yard while workers continue to build the light rail line that will parallel the tracks.

Aftermath after Amtrak Train 6, "California Zephyr" struck a rock slide in Fraser Canyon between Granby and Tabernash, Colo., and slid down into Fraser River, apparently before that section of tra... (more)