UP 6695 westbound with stacks.

UP 6454 (AC4400CW) climbs the grade out of Coal Creek Canyon with an Officer's Special and heads towards Tunnel #1 at Plainview, Colorado.

A Union Pacific Officer's Special runs through the valley at Tolland, Colorado. It will only be a few more weeks before the valley turns gold as the aspen change with the cooler weather.

BNSF 5694 & 6431 power westbound empties.

UP 6832 powers an eastbound auto rack train.

UP 6454 (AC4400CW) holds in the Union Pacific's North Yard before leading an officer's special up the Moffat Tunnel Sub.

BNSF 5712 (AC4400CW) passes a field of sunflowers at Keenesburg, Colorado.

BNSF 5712 (AC4400CW) races the sunrise to take a loaded coal train through Roggen, Colorado on its way to Denver.

Salem Style: UP 6558 brings up hotshot intermodal NS 278 through Salem, Virginia, as the clean Union Pacific visits the Star City and soon to be the port of Norfolk, VA.

GE and EMD Locomotives pause on the diesel service tracks at Union Pacific’s Bailey Yard in North Platte, Nebraska, on May 4, 2011.

BNSF 5712 (AC4400CW) races the sunrise to take a loaded coal train through Roggen, Colorado on its way to Denver.

UP 6454 (AC4400CW) sits in the North Yard in Denver until the green is given to journey up the Moffat Tunnel Sub and over to Grand Junction in the west side of Colorado.

UP 6454 (AC4400CW) waits in the North Yard in Denver, Colorado before taking an officers special up the Moffat Tunnel Sub.

An eastbound coal train led by a pair of CSX's 'bright future' CW44ACs have almost completed the afternoon run through the New River Gorge National Park, hugging the banks of the namesake river ne... (more)

In a typical scene along US 30 in central Nebraska, a westbound empty set destined for the Coal Creek mine in Wyoming rolls along the center main departing Gibbon, NE. Quite a sight with all of th... (more)