UP 643 (GP38-2) waits for a turn at shuffling freight cars in the 36th Street Yard
UP 6181 sits idle amongst the BNSF engines at the Denver engine servicing facility.
UP 6057 (AC4400CWCTE) brings a freight through the North Yard.
The Canadian Pacific is helping the BNSF move a freight out of the Denver Yard, which will then go through Boulder and Fort Collins on its way north.
The illusive Abominable Pony makes its way to the Denver Yard during one of the heaviest snowstorms to hit Colorado in years.
RTD Commuter train 4026 arrives at Denver Union Station from Denver International Airport, while red signals hold outbound cars.
The day's activities in the UP's North Yard are wrapping up and two remote engineers catch a ride back with UP 700 (ex Missouri Pacific GP38-2).
SP AC4400CW No. 329 idles at UP's Roper Yard in Denver. The big GE is assigned to coal service on the Moffat Route.
RTD Commuter 4043 (Hyundai Eagle P3) is surrounded by catenaries as it comes into Denver's Union Station.
Single locomotive comes off the Big Ten loop
US Army 4607 (GP10) waits for orders in the UP's North Yard while UP 1358 (ex Denver & Rio Grande Western GP40-2) heads to the sand box.
UP 8394 (SD70ACe) is spotted in the North Yard showing signs of having gone through some large snow drifts while coming down the mountains via the Moffat Line.
RTD Commuter 4018 (Hyundai Eagle P3) departs the 36th Street Station for Denver International Airport.
A bunch of newly painted SD40N units waiting in the 36th Street Yard for orders.
The North Yard is full of UP power, with ACe's, MP's and at least four ex-Southern Pacific engines.