WAMX 4184 (SD40-2) waits on a siding for the call to shuffle cars full of fine-grained sand for use in fracking oil wells.

WAMX 3516 (GP35) was spotted sitting on a siding just south of Cheyenne, Wyoming. This engine has had quite a career, starting life in 1965 for the Pennsylvania Railroad, then worked for Conrail,... (more)

UP 7717 (AC45CCTE) leads a sand train out of the west end of the massive UP yard in Cheyenne, Wyoming, passing under the iconic C&S bridge.

A visit to the historic Union Pacific roundhouse and yard in Cheyenne is a feast for the eyes. The place oozes history, as evidenced by the vintage rolling stock, cabooses and the odd baggage car... (more)

UP 8691 (SD70ACe) waits in front of the Cheyenne Depot for a green light to head east with a container train.

A quick visit to Cheyenne to see last days of City's train I also found a GP-30 and "B" on the turntable.

This eastbound has just left Cheyenne with military loading up front.

As a light snow begins to fall on a grey winter day a monster 190 car manifest drops down Archer Hill and into Cheyenne, seen just east of the OS at Barnett. Southern Pacific Daylight (heritage un... (more)

A Southbound Cheyenne to Denver goes over Old Happy Jack Rd as it departs Cheyenne.

A mixed freight descends into Cheyenne at first light of day, after waiting for a westbound intermodal to clear.

Union Pacific Challenger 3985 is under steam and positioned next to the Cheyenne engine house. Tomorrow, the big Alco will be making a round trip to Laramie.

Union Pacific SD40 3110 stands outside the shops at Cheyenne, Wyoming on a rainy May day in 1987.

Union Pacific’s SD45’s always appealed to me, with their flared radiators and two-digit numbers in a fleet that numbered in the thousands. Unfortunately, they eluded me in my few visits to the... (more)

It's not so often a pair of heritage units meet each other in broad daylight, let alone at the depot in Cheyenne, Wyoming. Heading east, Union Pacific SD70ACe No. 1983 meets Union Pacific SD70... (more)

Union Pacific’s two glossy E9As sit inside the roundhouse at Cheyenne, Wyoming, on March 25, 2013. Both were built in 1955, and in the early ’90s, UP sent them to VMV Enterprises in Paducah, K... (more)