UP 4014 (4-8-8-4) runs past an old windmill in a field at Hillsdale, Wyoming on its way to Cheyenne.

Commuter train RTD 4029 (Hyundai P3 Eagle) crosses over Pena Boulevard as it leaves Denver International Airport. It will arrive 20 minutes later in Downtown Denver at Union Station.

A Kansas City Southern unit 4604 (AC4400CW) runs the ridge in Larkspur, Colorado.

UP 1865 (SD40N) waits for a new cut of cars to sort in the Union Pacific's North Yard.

RTD 4044 (Hyundai Eagle P3) leads a commuter train from Denver International Airport to downtown Denver, ultimately stopping at Union Station which is situated in the heart of the City.

BNSF 9947 shoves a super long coal train through Brighton, Colorado. More and more of the 'Mega Coal' trains (two long trains connected together) have been running through the Colorado Front Rang... (more)

Amtrak special 156 leads the Zephyr through Coal Creek Canyon.

Storm clouds chase AMTK 156 (P42DC) which is leading the California Zephyr up to Tunnel #1 on the Moffat Line.

The very first minutes of sunrise catches the crew of BNSF 1826 (SD40-2) as they get an early start on working the small yard in Golden, Colorado. The low angle of the sun makes the Heritage I pa... (more)

After the yard crew finishes assembling a train in the small yard in Golden, Colorado, the MAC's will take the train to Denver.

If you are in the Denver area and have a free evening, you should swing by Barr Lake in Brighton (NE of Denver). The tracks have easy access as they parallel I-76 and angle in such a way that the... (more)

BNSF 9647 (SD70MAC) is well known for running with an experimental paint job, called the Creambonnet (also known as 'Vomit Bonnet"). Here it teams up with another MAC and an ACe to muscle a ... (more)

Anyone who has rail-fanned Greenland, Colorado will notice something very unusual about this pic. What makes this a rare occurrence is that you are seeing a southbound freight running on the nort... (more)

BNSF 8798 (SD70ACe) gets a helping hand from a Kansas City Southern AC4400CW as it moves a empty coal train past Barr Lake.

Its getting late in the day as BNSF 5954 (ES44AC) leads a coal into Castle Rock, Colorado.