On Saturday UP 844 (4-8-4) will leave Cheyenne and head west toward Utah. The Big Boy will follow in about a week. No doubt railfans, foamers and photogs will be lining the tracks for miles!

UP 7637 (AC45CCTE) brings a load of sand into Fort Collins, Colorado.

UPY 691 (GP15-1) has still managed to escape the paint shop, which is OK with me.

UP 7081 (AC4400CW) brings an autorack train into the 36th Street Yard, passing along the way the petroleum refineries of Commerce City which can be seen in the background.

You can always find a nice variety of light and heavy power at the BNSF's Denver Yard.

This evening's California Zephyr heading to Chicago meets three UP outbound trains after running through the Colorado Rocky Mountains on the Moffat Line. After the Zephyr passes the trio on its w... (more)

The California Zephyr arrives in Denver and passes through the BNSF's engine servicing yard. An interesting visitor spotted in the yard is DOTX 221, a passenger car built in 1954 and now serving ... (more)

It's a busy day in the Union Pacific's North Yard in Denver. Changing out track in the middle of an operating yard is challenging at best, with track maintenance vehicles jockeying for position a... (more)

This beautiful Pullman private "Pontchartrain Club" car hitched a ride to Denver on the back of the California Zephyr.

SLRG 100 (Iowa Pacific Holdings E9A) spent the night in the Union Pacific's North Yard on its way to join the San Luis & Rio Grande Railroad in Walsenburg, Colorado. This engine has had quite the ... (more)

UPY 625 (GP15-1) has just dropped off a string of container cars which will later be taken out of the yard by a pair of heavy movers.

UP 695 (GP38-2) works the UP's North Yard in Denver sorting a variety of freight cars

UPY 546 (ex CNW GP15-1) works the UP's North Yard in Denver. Ex Chicago & North Western units are easy to spot with the plethora of engine grilles after the cab.

BNSF 8476 (SD70ACe) muscles an empty coal train out of Denver on the Brush Sub.

A fresh layer of snow has blanketed the foothills and trees as Amtrak 130 leads the California Zephyr up the Moffat Tunnel line and into the Colorado Rocky Mountains.