Union Pacific EMD SD70M No. 4698 is on Track 6 in the Diesel House at UP’s Burnham Shops in Denver, Colorado, on December 17, 2015. This track is equipped with a drop table to change out wheelse... (more)

Several locomotives are gathered at the servicing tracks at Union Pacific’s Burnham Shops in Denver Colorado, on the eve of December 17, 2015. Along with active units in for repair like UP EMD S... (more)

Two machinists work on a cylinder of the 7FDL16 prime mover of Union Pacific GE AC4400CW No. 7334 inside the Diesel House at UP’s Burnham Shops at Denver, Colorado, on December 17, 2015.

An eastbound Union Pacific coal train rolls downgrade out of Plainview, Colorado, and approaches Tunnel 1 and Coal Creek Canyon on April 26, 2000. Two UP GE AC4400CWs bracket a yet to be renumbere... (more)

As another autumn day turns to night on October 1, 2020, the signals light up at West Tuscor, Montana, in response to a couple mouse clicks from the Montana Rail Link dispatcher in Missoula. Not l... (more)

An eastbound Burlington Northern coal train passes through a wide, deep cut located just east of the Missouri River Bridge between the crew change of Mandan and Bismarck, North Dakota, on the afte... (more)

Watco’s Palouse River & Coulee City Railroad’s EMD GP50 No. 5012 still looks its heritage (almost) of Chicago & North Western at this angle of the standard Watco paint scheme. No. 5012 was the... (more)

A set of four Montana Rail Link EMD SD70ACe locomotives being used as a manned helper is cut about two-thirds back in a westbound BNSF manifest freight climbing Mullan Pass out of Austin, Montana,... (more)

On the morning of July 3, 2020, BNSF’s Denver to Laurel freight enters Himes Canyon just north of Himes, Wyoming. Himes Canyon is located between the sidings of Himes and Kane along the Bighorn ... (more)

On January 11, 2019, Amtrak’s eastbound California Zephyr passes the Winter Park Express ski train tied down in the siding at Fraser, Colorado.

Rolling down Montana Rail Link’s Tenth Subdivision along the Flathead River at McDonald near Dixon, Montana, is the MRL gas local on September 28, 2007. Powering the eastbound train is EMD duo o... (more)

Union Pacific GE AC4400CW-CTE No. 5687 is being overhauled in the backshop at the railroad’s Burnham Shops in Denver, Colorado, on December 7, 2015. The old 4,400 hp 7FDL16 prime mover is lower ... (more)

An employee inspects a Union Pacific EMD SD70M, writing up any defects and other work that needs to be done before the locomotive heads into UP’s Downing B. Jenks Shop at North Little Rock, Arka... (more)

On a wintery March 3, 1989, an eastbound Burlington Northern freight climbs over Marias Pass just west of Summit, Montana, beneath the towering peaks of Glacier National Park. The train is all-EMD... (more)

A chartered passenger train dubbed the “Bill Gates Special” utilizing Wisconsin & Southern, BNSF and privately-owned equipment, pops out of the Moffat Tunnel on Union Pacific’s former Rio Gr... (more)