BNSF 9018 (SD70ACe) takes a loaded coal train into the siding at Tonville, Colorado.

BNSF 2857 (GP39-2) leaves Longmont, Colorado as it heads south on the Front Range Sub.

Containers freight Fuente de San Luis-Bilbao Mercancías at Santa María del Invierno.

BNSF 2857 (GP39-2) runs through Boulder, Colorado as it heads south on the Front Range Sub.

The California Zephyr runs under a RTD commuter rail train in Denver, Colorado.

The California Zephyr rounds the base of Blue Mountain as it heads into Coal Creek Canyon, Colorado.

UP 7621 & 8125 eastbound with auto racks.

UP 5388 & 6703 eastbound with a manifest.

SNEX 5012 shines in the afternoon sun at the 40th anniversary festivities of the Batten Kill Railroad.

B&P SD45 455 leads a northbound at Arcade Junction, Arcade, New York. July 11, 2011. Jack D Kuiphoff © photo

An empty Union Pacific coal train breaks the silence momentarily at 'Floy' on a warm spring morning on the moon. What was really cool here was hiking up one of the hills in the literal footsteps o... (more)

An empty UP Intermountain coal train begins up the Dotsero Cutoff along the Colorado River

C&NW, Chicago and North Western C44-9W 8686 UP 6236-3151-5327-5012-3190-3441-3423 leading a eastbound stack train on the AT&SF up Cajon Pass, Cajon, California. May 5, 1996. Jack D Kuiphoff © pho... (more)

Durango & Silverton 480 and 473 rest in the Durango Roundhouse late at night as Frank Burton oils 480 to prepare it for its next day of service.

Burlington Northern, BN 7010 - 7910 - 5554 -KCS 862, with a coal train Atwater, Illinois. June 11, 1991. Jack D Kuiphoff © photo