Rock is one of the two remaining types of traffic revenue that still traverses over the famous Tennessee Pass line. Here it passes alongside the Arkansas River as Union Pacific brings another loa... (more)

UP 5817 leads a IOAOGX-16 through Emigrant Gap as it starts its decent down the west slope of the Sierra Nevada Mountains

Leaving the Great Plains behind and climbing the foothills just west of Clay, Colorado, is a westbound Union Pacific coal empty as the sun rises high into a morning sky on January 25, 2007.

UP 5988 and an SD70M lead a coal train east around a curve approaching Rodell siding east of Fall Creek, WI. Having watched (and chased) trains on this former "Route of the 400" mainline... (more)

Union Pacific’s west local has just come off of Rocky Spur and slowly heads east on the main while a westbound coal train passes on the siding at Rocky, Colorado, on March, 16, 2011.

The first of three eastbound manifests that are tied down on Main 1 from Cheyenne to Borie, Wyoming can be seen patiently waiting for a new crew to take the train east to North Platte, Nebraska on... (more)

UP 6633 (C44ACCTE) has just received fuel and sand at the Denver BNSF engine servicing facility and gets repositioned for a run back to the yard.

A pair of UP's leave Bellevue as they head west

UP 5839 & BNSF 8991 lead westbound empties.

With the train about as small as it can be and dwarfed by the amazing red rock scenery around Moab, Utah—Union Pacific’s Potash local heads back to the main line after setting out most of its cars... (more)

Westbound empties.

YLZ01, one of UP's LA Basin Hostler crews, enters the Pacific Harbor Line's Wilmington Lead to spin power off an inbound intermodal.

Eastbound loads on the Marysville sub.

UP 6059 and its mate lead a solid block of reefers east at speed on CSXT's former B&O line.

UP 5799 is looking a little rough with no American flag or Union Pacific logo. I assume it has been repaired after some fire damage.