DRIR 1083 (SW1500) crosses one of the few diamonds in the Denver area. This one happens to be located in the area of the City known as the Stockyards.

Here we see two old school SD40-2's working the Denver Yard. Both engines were built for the Burlington Northern. BNSF 1826 was built in 1974 and BNSF 1665 was built in 1978.

A few years ago you could often find BNSF 8167 (SD60M) running freight between Longmont and Fort Collins, Colorado.

These two Hudson Bay Railway engines are long time cousins, having both been built for the Southern Pacific. HBRY 3600 started life in 1964 as a GP35 with the SP, and HBRY 6526 was built in 1963 f... (more)

Two veteran BNSF units work the Denver Yard under a late evening sun. 1572 was built in 1973 for the Atchison Topeka & Santa Fe as a SD45-2 (in the Kodachrome scheme) and was later rebuilt as a S... (more)

One look at the front end of a Loram Railvac unit lets one know that this was an engineer's dream to design. It looks like a cross between a MAD MAX and a Dr. Seuss creation.

AMTK 156 (P42DC) backs the California Zephyr into Denver's Union Station. This shot was taken before the plethora of catenaries sprung up that now support the various RTD commuter rail lines that... (more)

UP 3874 (SD70M) leads a colorful lash-up through Loveland, Colorado on their way to Fort Collins.

BNSF 3160 (GP50) heads to Broomfield, Colorado with a small freight.

UP 5427 (ES44AC) has just run through the Rocky Mountains via the Moffat Tunnel Sub as part of a trio of helper engines sandwiched between two cuts of coal cars. They have separated and will head ... (more)

AMTK 78 leads the California Zephyr into Tunnel #1 as it heads into Colorado's Rocky Mountains.

AMTK 78 leaves Denver and the Front Range behind and leads the California Zephyr into Coal Creek Canyon, at which point it will start the climb to Tunnel #1 as it heads into Colorado's Rocky Mount... (more)

For the better part of 2014 it was not uncommon to find one or two former SOO LINE SD60's working the Denver Yard along side other CIT units.

Looking more like a model train on a layout, UP 1507 (GP40M-2) leads two other units in pulling a pair of hoppers up to Tunnel #1 on the Moffat Line.

Here's something you don't see every day. UP 1507 (GP40M-2) uses the Rocky Siding to pull two hoppers across Highway 93 in Arvada, Colorado. The trio of engines will pass through Big 10 Curve and... (more)