A Union Pacific intermodal crosses a berm over Lindsey Lake in the late afternoon.

Three GE motors drift downgrade through the Caliente Creek Narrows after battling the tough grades of the Tehachapi Pass as they travel north to Lathrop.

With a trio of Union Pacific motors on the head end, hotshot intermodal 212 trundles through Suwanee, GA, as the priority train heads towards Croxton, NJ.

Duel Union Pacific GE's lead K037 west through St Johnsville with the hills in the back drop.

A DPU assists the two leaders of an oil train as it heads east through the Columbia River Gorge.

An empty Union Pacific oil train rolls though the Columbia River Gorge as it heads back to the oil fields of Canada.

A westbound manifest freight train rolls through Gore Canyon near Kremmling, CO on February 13, 2016.

With Little Gore Canyon in the background, a westbound manifest freight train cruises alongside the Colorado River shortly before passing through Bond, CO on February 13, 2016.

Approaching a short tunnel, Union Pacific locomotive 8261 leads a westbound manifest freight train near Radium, CO on February 13, 2016.

UP 5544 and NS 1051 lead train K408 across the Iona Island trestle.

CSX Train L684-16 roars Northbound through Renfroe, AL.

Westbound empty ethanol train UP UEXCT1 09 off the CSXT in Chicago slowly strolls beneath the large C&NW style signal bridge at NQ (East Nelson), milepost 103 on Union Pacific's busy Geneva Subdiv... (more)

Southbound NS autorack train 289 rolls down the New Castle District with a Union Pacific motor on the point.