Burlington Northern First 196 led by GP50 No. 3147 arcs over curved Greenhorn Trestle while dropping downgrade on Mullan Pass between Skyline and Weed, Montana, on July 3, 1994.

A northbound Kansas City Southern freight cruises up Union Pacific’s Cuero Subdivision between Dacosta and Guadalupe, Texas, on March 14, 2013, as seen in a pacing photograph from U.S. Highway 87 ... (more)

A westbound Burlington Northern Santa Fe coal train blurs past a graveyard of semaphore signal masts lined up at Superior, Montana, after their removal from usefulness on October 6, 2005. One of o... (more)

Dressed in warbonnet red, Burlington Northern Santa Fe GE C44-9W No. 747 thunders westward with a freight past the milepost 192 semaphores east of St. Regis, Montana, on June 30, 2000.

A westbound BNSF coal train swings through the curves at Sully Springs, North Dakota, on August 26, 2018. Running as rear DPUs are BNSF EMD SD70ACe No. 9369 and CREX GE ES44AC No. 1331.

Led by a pair of EMD SD70ACes, a westbound BNSF coal train passes the west switch of Sully Springs siding in the Badlands of North Dakota, on August 26, 2018.

Burlington Northern EMD SD60M No. 9269 takes a spin on the turntable at Sheridan, Wyoming, on the morning of September 24, 2002. This turntable is an unusual through truss design, whereas most tab... (more)

Montana Rail Link EMD SD70ACe locomotives used in helper service over Mullan Pass accumulated a ton of grime and soot working through confining Mullan Tunnel under the Continental Divide. MRL wash... (more)

Filthy!
A Montana Rail Link helper set led by brand-new EMD SD70ACe No. 4305 coasts through Austin, Montana, heading eastbound back to Helena after helping a train up Mullan Pass. The s... (more)

Montana Rail Link’s former Northern Pacific route over Mullan Pass west of Helena, Montana, features a series of amazing curves to climb the eastern grade of the pass. In the foreground, a westbou... (more)

A trio of Union Pacific coal trains cross Logan Hill, north of Bill, Wyoming, on June 23, 2018. Even with the decline of coal, traffic on this four-track segment of the Orin Line in Powder River B... (more)

Montana Rail Link’s Helena switch zips over Winston Hill between Louisville and Winston, Montana, on the morning of June 30, 2017. The short two-car local is headed for the lime plant at Townsend ... (more)

Rain storms are slowly moving east at the end of a cloudy day in Wyoming’s Powder River Basin. As the setting sun drops below the western horizon, a tiny slot of clearing sky silhouettes a northbo... (more)

A United Parcel Service “pup” trailer on a TTX spine car speeds by milepost 550 on an eastbound Union Pacific intermodal train between Colores and Hermosa, Wyoming, on May 28, 2009, as seen in a p... (more)

Heading southbound on the Missouri Valley Subdivision, Dakota, Missouri Valley & Western’s “wayfreight” crosses the bridge over Turtle Creek between Washburn and Merida, North Dakota, on August 28... (more)