UP 6789 (AC4400CW) leads a freight towards Arvada, Colorado on its way to the North Yard in Denver.

UP 6454 AC4400CW leads an officer's special down the hill into Coal Creek Canyon, Colorado as it heads to Denver.

UP 6454 AC4400CW exits Tunnel #1 at Plainview, Colorado and will drop down into Coal Creek Canyon.

UP 6789 (AC4400CW) meets a BNSF coal train at Plainview, Colorado.

The St. Paul to Kansas City daily freight train had some unusual motors in the consist. A pair of CP hydrogen locomotives are dead in tow. Each locomotive is painted in a unique paint scheme for t... (more)

CPKC 112 has autoracks and CP 8654 on its tail end as it approaches Lachine IMS Yard.

CPKC 112 has autoracks up front (and unusually, more on the tail end) as it enters Lachine IMS Yard.

CP 9806 leads CPKC 112 past the first of three crossings it passes between the Vaudreuil Sub and Lachine IMS Yard.

An eastbound manifest passes through King Hill, ID on a clear morning.

UP 6789 (AC4400CW) waits on a siding at Plainview, Colorado for a BNSF coal train which will be passing shortly.

A Union Pacific Officer's Special waits for the dignitaries to board and will then head west into the Moffat Tunnel District

A Union Pacific Officer's Special occupies a track in the North Yard. It would soon get a green to begin the journey up the Moffat Tunnel Sub.

Stored locomotives at the EJ&S Yard.

CSX M526 arrives into Atlanta from Montgomery behind a pair of YN2 AC4400's

UP 6695 westbound with stacks.