Local Moves in Littleton Union Pacific crew operate the stop light along South Santa Fe Drive to make moves to set out cars. Winter storm only adds to the pressure of the crew of this... (more)

Local Moves in Littleton Union Pacific crew moves up South Santa Fe Drive to make moves to set out cars. Winter storm only adds to the pressure of the crew of this local setting out ca... (more)

Local Moves in Littleton Union Pacific crew operate the stop light along South Santa Fe Drive to make moves to set out cars. Winter storm only adds to the pressure of the crew of this... (more)

Local Moves in Littleton Winter storm only adds to the pressure of the crew of this local setting out cars in Littleton, CO on a very wintery day along South Santa Fe Drive.

UP 1507 (GP40M-2) joins other light power in the North Yard in Denver, Colorado.

UP 1507 (GP40M-2) works the North Yard in Denver, Colorado.

UP 1507 took an interesting route to its "North Yard Switcher" status. It was apparently built in April 1969 (so 55 years old in this picture) at Baltimore & Ohio GP40 #3738, then made i... (more)

UP 1507 (GP40N) works the North Yard in Denver, Colorado.

UP 2238 (GP38-2) waits in the Union Pacific's North Yard in Denver, Colorado for orders to hit the yard.

UP 1507 (GP40N) runs into the North Yard in Denver, Colorado.

UP 1507 (GP40M-2) has completed the transfer run to the BNSF Denver Yard and crosses the South Platte River as it heads back to the Union Pacific's North Yard.

UP 1507 (GP40M-2) heads back to the tie down area after a day of working the North Yard in Denver, Colorado.

A quartet of light power sits in the North Yard in Denver, Colorado as they wait for their shift to shuffle cars.

UP 1507 (GP40-2) sits in the Union Pacific's North Yard as UP Big Boy 4014 backs towards the freight cars that it will take to Cheyenne, Wyoming.

UP 1507 (GP40M-2) works a cut of cars into the ladders deep in the North Yard in Denver, Colorado.