A short vehicle train accelerates out of Stockridge under a cloud of exhaust after getting a green from the Tucson Yardmaster.

UP 7778 leads a double stack train through the small town of Chelsea, Iowa, and past an old John Deere tractor.

Two SD70Ms race through Ames, Iowa on Track 2 with a baretable train of Spine Cars heading west towards Boone for a crew change and will continue west towards Council Bluffs and beyond.

A UP westbound lights up the right of way as it pierces tunnel 9 in the Feather River Canyon.

Three trains stand at the ready to head into the station for the outbound rush.

A westbound stack train led by UP #8788 races into the town of Boone, Iowa as rain continues to fall and will continue to fall for most of the entire weekend.

Amtrak 6, The California Zephyr ran 7 hours late and pulled into Naperville with a brand new UP GEVO leaning.

UP's West Colton to North Platte freight works through Silverwood as it climbs Cajon Pass.

On likely the first run to the west coast, brand-new Union Pacific SD70ACe No. 8714 leads a train through Bloomer cut between Newcastle and Auburn, California, on March 8, 2012. Unfortunately, the... (more)

A westbound ballast train exits Bloomer Cut between Newcastle and Auburn, California, on March 8, 2012. The steep, pebbled walls of this historic cut were blasted through in 1864 in the constructi... (more)

A pair of EMD SD70s lead a UP autorack train westward out of La Plata Missouri.

Union Pacific's Denver, CO to Salt Lake City, UT expedited intermodal zigs and zags through Grant Tower at CP C782, Ninth West in Salt Lake City.

UP 7956, 8469, & 8535 lead an eastbound stack train.