Light power dominates the Union Pacific North Yard in Denver, Colorado.

CP transfer job I41 (formerly G41) heads for the UP at Proviso as it traverses the north end of the IHB through Franklin Park, IL.

A pair of UP SD40N's take YPRCP up the IHB main headed for the CP at Bensenville.

A trio of SD40Ns lead LTS82A over the Red Cedar River in Menomonie. In another mile or so, they will run around their train at Menomonie Jct. before heading back east to work Cardinal Glass and Br... (more)

UP 1666, 1710, and 9907 make their way through the Fort Hall Indian reservation.

UP 1666, 1710, and 9907 are heading thought Pocatello on the Montana Subdivision.

I found this local just heading onto the Aberdeen Subdivision in Blackfoot, Idaho. Just coming off the Montana Subdivision. It was nice to see another SD40N in action.

Set my sights on a line I haven't photographed much the Union Pacific Montana Subdivision. I was rewarded with a Idaho Falls to Pocatello train. Lead by SD40N's 1666, 1710, and SD59MX 9907.

On the west side of Fort Worth, Texas the Union Pacific operates a hump yard at Davidson Yard. As cars roll down the hump in the background shoved by one job, the next crew pulls west with the nex... (more)

UP 1826 (SD40N) works on sorting a string of cars in the Union Pacific's North Yard in Denver, Colorado.

The Union Pacific operations building for the North Yard in Denver, Colorado gets late evening sun as UP 1826 (SD40N) moves into the yard to sort cars.

Job 82 shoves back to Altoona and over the Chippewa River after working EC Grow and Menards on the west side of Eau Claire.

Breaking the late night silence around Franklin Park, the I41 transfer job out of Bensenville Yard departs for It’s short trip down the IHB to Proviso Yard in Northlake. At the helm is a duo of ... (more)

The UP-CP transfer departs State Street as they head out to Dunn with their delivery for CP St. Paul Yard. The critter third out is RSSX 103, a Railserve LEAF destined for Canpotex in Saskatchewan... (more)

Pair of consecutively numbered SD40Ns lead the transfer run to CP Knoche Yard.