UP 4533 (SD70M) leads an officer's special towards the Moffat Tunnel, passing the trusty designated chase vehicle dubbed "The F-Unit".

A Union Pacific Officer Special gets ready to leave the North Yard in Denver, Colorado and will run into the Colorado Rockies for the Moffat Tunnel.

A keyhole in the clouds allows a spotlight of sun to shine on a Union Pacific Officer Special as it runs through Coal Creek Canyon, Colorado.

A Union Pacific Officer Special runs towards the evening sun as it gets ready to enter the Moffat Tunnel at Tolland, Colorado.

A Union Pacific Officer Special runs through Rocky, Colorado as it begins the journey into the Colorado Rocky Mountains on the Moffat Tunnel Sub.

Powered by a pair of leased Union Pacific EMD SD70Ms, Rocky Mountaineer’s “Rockies to the Red Rocks” Colorado and Utah excursion train follows the Colorado River moments after exiting 463-fo... (more)

On a hazy humid June evening CSX Q580-07 (Atlanta,GA-Nashville,TN) is creeping north in the siding at Dalton, GA. In the Pre-PSR days Q580 was a daily run road local that took all the car that did... (more)

An eastbound BNSF freight is in the clear in the siding at Rocky, Colorado, on January 19, 2002, and a man is on the ground to inspect Union Pacific’s MDVRO working west on the main line.

A pair of INRD's new SD70Ms lead SAHW West through Bargersville.

Back when they were brands new. Union Pacific SD70M's 4734 and 4733 make their way through Lakepoint, Utah. The Oquirrh Mountains have been layer with fresh snow over night. UP 4734, 7433 could po... (more)

Eastbound freight clattering across the switches and passing a former BNSF SD40-2. After the next train passes the 3495 will hotfoot it to Pulaski light under a work train number.

A little over a month after it was delivered, Southern Pacific's first SD70M leads a westbound lumber drag on the Shasta Route.

Reflections Of Three Bridges. On morning of March 30, 2013, CSX Q010 passed through Fort Montgomery, New York with the unusual power set of Union Pacific Railroad 4766 (SD70M, EMD, 3/2002) ... (more)

Working in its fifth year since it was built by EMD, an SD70M leads a westbound manifest train on the Shasta Route.

UP 4478 headed to North Platte with the Lexington based local.