UP 5640 (ES44AC) joins a mix of light and heavy power in the Union Pacific's North Yard in Denver, Colorado.

Two Union Pacific coal trains climb Logan Hill north of Bill, Wyoming, on June 13, 2014. The four track main line here lifts trains past milepost 69 on the Orin Subdivision.

A trio of UP motors leads a frac-sand train eastbound along the UP Geneva Subdivision through the small town of Cortland, IL, splitting the old CNW signals that still exist at the interlocking her... (more)

UP's Hinkle, OR to Roper, UT manifest curves east through Grant Tower in Salt Lake City. A tourist from Mexico (Ferromex ES44AC #4603) was a good catch on this train. On a minor note, the red fram... (more)

UP 5604 leads 42 empty reefers back to the west coast.

MCHPB 27 waits for a signal at Q Tower

Sitting in the yard on a brisk fall evening UP 5640 waits for a crew to begin its journey.