UP 7739 (ES44AC) heads west from Denver on the Moffat Tunnel Sub with an oil can train.

UP 7739 (ES44AC) gets ready to move a string of oil cans out of the North Yard in Denver, Colorado.

UP 7739 (ES44AC) passes under the signal tower after leaving the North Yard in Denver, Colorado.

A meet occurs at UD Tower, as both trains are about to hit the Rock Island diamond at Joliet Union Station.

Illuminated by low evening light, Union Pacific's Denver, CO to Salt Lake City, UT expedited intermodal glides west through Utah's capital city, less than six miles from the LM Bryan intermodal te... (more)

Westbound stacks pass the Pepper street overpass with a standard cab NS unit in the concest.

Z train passes the MWCNP at Bitter Creek.

Waiting for the ok to head west as the sun hangs low. Oil wells are frequent in this area, on a calm day one can hear them ticking away as they pump up this ever so demanded resource

Two stack trains wait side by side. The delay I'm assuming is from the tie replacement going on south of Hutchinson