Canadian Pacific’s wayfreight between Cranbrook and Golden is crossing the Kootenay River at Fort Steele, British Columbia, on September 21, 2013.

A still bright warbonnet-painted Burlington Northern Santa Fe GE C44-9W No. 4719 leads a westbound freight that begins the climb of Mullan Pass leaving Helena at Tobin on June 5, 2002. The grade i... (more)

A westbound Union Pacific freight exits the Hermosa Tunnels on Track 2 at Hermosa, Wyoming, while traversing Sherman Hill on the afternoon of May 10, 2007.

A Burlington Northern Santa Fe manifest freight climbs through the horseshoe curve at the mouth of Coal Creek Canyon approaching Tunnel 1 between Clay and Plainview, Colorado, on February 21, 2000... (more)

Led by a pair of Rio Grande EMD GP60s, the Rio Grande Ski Train rolls eastbound through the cut at milepost 23 east of Plainview, Colorado, on June 17, 2000.

A trio of Burlington Northern Santa Fe EMD SD70MACs power a westbound coal empty along the North Platte River through Wendover Canyon west of Wendover, Wyoming on the afternoon of May 25, 1997

A pair of Southern Pacific GE AC4400CWs lead an eastbound Union Pacific coal train at mile 22.6 on the Moffat Tunnel Subdivision between Plainview and Clay, Colorado, on December 1, 2002. The trai... (more)

Operating on Union Pacific’s Montana Subdivision running from Butte to Pocatello, a short five-car Union Pacific freight heads southbound between Divide and Maiden Rock along the Big Hole River on... (more)

In 1990, Burlington Northern converted EMD SD40-2 No. 7890 to burn natural gas fuel as an experiment to lower fuel costs and get cleaner exhaust emissions. The rebuild included SD45-like flared ra... (more)

A westbound Chicago & North Western freight approaches the Marcy Road grade crossing in Menomonee Falls, Wisconsin, in January 1984. The train is powered by a trio of former Conrail GP40s now pain... (more)

Rio Grande GP40-2 Nos. 3126 and 3121 roll downgrade light engine on the Rocky Spur at Rocky, Colorado, passing an eastbound Union Pacific coal train led by AC4400CW No. 6458 tied down in the sidin... (more)

The canyon below Chestnut Mountain on Bozeman Pass is filled with the sounds of a hard-working Burlington Northern freight pounding up the eastbound grade on July 2, 1994. The location is at the o... (more)

A Montana Western Railway train has arrived at the interchange with Montana Rail Link at Garrison, Montana, on September 9, 1995. In 1986, the MWRR leased and began operating 52 miles of trackage ... (more)

Rio Grande SD40T-2 Tunnel Motor Nos. 5354, 5349 and 5371 power the westbound Union Pacific “dirt train” local past the stately cliffs just west of Maxwell, Utah, as the train approaches its home t... (more)

A southbound Soo Line freight rumbles through Bellevue, Iowa, on February 8, 1992, tying up traffic on 2nd Street in the process. In the background on the Mississippi River is 849-foot-long Lock a... (more)