UP 6058 (AC4400CW-CTE) brings a freight into the Cheyenne Yard in Wyoming.

UP 6058 (AC4400CW-CTE) leads a freight through the elevated curve at Archer Hill east of Cheyenne, Wyoming.

UP 6058 (AC4400CW-CTE) set out a cut of cars at Nunn, Colorado on the Greeley Sub.

UP 6058 (AC4400CW-CTE) leads a freight past the refineries in Commerce City, Colorado.

An empty coal train has just departed Clinton for the run across Iowa. This new crew just stepped onboard and will run to either Boone or Missouri Valley for the next change out depending on the c... (more)

A Union Pacific freight has left the North Yard and the City of Denver behind as it heads north on the Greeley Sub, passing through the refineries in Commerce City.

Some rough looking power, but it was getting the job done just fine. The engineer was calling out highball on the radio as he was knocking down all the location names. And was making good time, as... (more)

Home Sweet Home for a hardcore railfan. A private drive with a flatcar frame bridge leads to a home nestled in the pine forest at 7,000 feet just steps from the Moffat Route. A lead UP flag unit i... (more)

A westbound UP unit train curves through Frost with a matched set of AC4400's: all wearing flags.