UP 1459 (GP40-2) waits for the call to action in the UP's North Yard in Denver.

Many variety of locomotives, performing maneuvers, in maintenance, or just waiting for service, in Union Pacific facility at North Yard, Denver, all this seen from 48th Ave, a unique advantage poi... (more)

The geese are flying through Colorado and a wedge comes in for a landing over UP 1459, a former Cotton Belt GP40-2 waiting for orders in the UP’s North Yard in Denver.

UP 1459 (GP40-2) gets ready to move out into the North Yard to pick up string of freight cars.

Union Pacific 1495's head light cuts through the blizzard like conditions in Altoona, Wisconsin. The yard job can also be seen working.