A DPU on a UP stack train shoves its train past Dallas Union Station and the Reunion Square area.

Headed across the KCT Hight Line is UP Train CWEAX 26 pulling hard on its way out of UP Armourdale Yard.

A loaded tie train decends the grade through San Timoteo Canyon near Ordway.

One of many coal trains that dominate the Chester Sub hustles south of Valmayer.

A tired looking CTE heading into Proviso just after the morning Metra rush.

UP 5664 (AC4400CW-CTE) brings a load of windmill turbine parts into Denver.

A Union Pacific grain shuttle glides east through Weber Canyon just east of Morgan, Utah.

UP 5846 (AC4400CW-CTE) gets ready to head south out of the UP North Yard, as the DPU of a second coal train heads north.

Leading a manifest from San Bernardino, a quartet of UP six axles have just made it to Cajon Summit and will soon be in dynamics down the Pass toward Victorville and Dagget.

Union Pacific's West Colton, CA to North Platte, NE manifest meets a Global 3, IL to Long Beach, CA stacker east of Morgan, Utah.

An empty westbound coal train emerges from fog banks into the early morning sun as it prepares to enter Little Gore Canyon at Azure. Sometimes getting a memorable shot is as much luck as anything.... (more)

Leaving Coal Creek Canyon and the rugged Rocky Mountains behind, a train full of the black diamonds snakes its way through Little Ten Curve heading toward Denver.

The power for Union Pacific's ORMIS speeds through Emeryville, on a sunny winter afternoon. They ended up waiting a couple hours at stege while UP's foreman Dotson's crew worked on bridge repair a... (more)

Flagged while the set of units is inspected, the 5850 rests on the wye waiting for its train to be emptied at the Pleasant Prairie power plant.