UP 8762 (SD70ACe) gets ready to leave the yard in LaSalle for the local run.

A fresh looking UP 3093 (SD70ACe-T4) leads a stack train out of the Hermosa Tunnels on their way to Laramie, Wyoming.

UP 7470 (C45ACCTE) shoves a sand train through one of the Hermosa Tunnels in Wyoming.

Conductor Del Trefry has just thrown a switch in the UP's North Yard and provides a good scale comparison of the monster size of the Big Boy locomotive 4014, which is emerging from a cloud of stea... (more)

UP 8450 (SD70ACe) is lined up to go up the Moffat Tunnel Sub and meets an inbound coming into the UP's North Yard in Denver, Colorado.

UP 2001 (SD70M) brings some sand cars to a small industrial area south of Brighton, Colorado.

UP 7819 (C45ACCTE) returns the LaSalle local from Windsor, Colorado.

With snow showers rolling down the foothills, UP 3027 (SD70AH-T4) brings a power-heavy coal train through the signals at Rocky, Colorado.

Kansas City Southern 4791 (ES44AC) hold in Denver and will soon the get the green light to head south on the Joint Line to Colorado Springs.

BNSF 8148 (ES44C4) has just met the morning's California Zephyr at Rollinsville, Colorado and will head down the Moffat Tunnel Sub to Denver later in the day.

Two MAC's have just brought a freight into the BNSF yard in Longmont, Colorado. They do the daily run between Fort Collins and Longmont so will be back for a new string tomorrow.

UP 2001, an SD70M painted in the special Olympic Torch Relay scheme for the 2001 Salt Lake City winter Olympics, meets a northbound UP coal train on the Greeley Sub.

Warbonnet 4705 passes some of the last searchlight signals still in operation in Denver. From this spot it is only minutes from the Denver Yard, where it will drop off the freight cars and get re... (more)

Warbonnet BNSF 4705 (Dash9) leads three other BNSF Pumpkins in an elephant formation as they drop down from Tunnel #1 and head into Coal Creek Canyon, Colorado.

CP 8114 (AC4400CWM) waits in Denver for a new crew while Denver's colorful RTD trains run on the adjacent track. In the background is the Elitch Gardens amusement park.