A Little Rock & Western Railway northbound freight, LRWN 101-10, crosses the Arkansas River on the Union Pacific's Baring Cross drawbridge. (While operating on the UP, this train's symbol is UP L... (more)

Two EMD SD70Ms wait for work at Union Pacific’s Downing B. Jenks Shop in North Little Rock, Arkansas, on May 19, 2015. No. 5090 has a “standard” SD70M cab, while slightly newer sister No. 51... (more)

Four rugged EMD HT-C SD locomotive trucks are in the process of being rebuilt inside Union Pacific’s massive Downing B. Jenks locomotive shop at North Little Rock, Arkansas, on May 19, 2015.

At Union Pacific’s Downing B. Jenks Shop at North Little Rock, Arkansas, A welder from the boiler shop (boilermaker by trade) carefully repairs a locomotive snow plow on May 19, 2015. In the bac... (more)

Union Pacific EMD SD70M No. 4353 pauses under the protective shed covering the service tracks on the northeast side of the large Downing B Jenks Shop in North Little Rock, Arkansas, on May 19, 201... (more)

It looks like it’ll be a while before Union Pacific EMD GP40 No. 651 is roadworthy again as it sits during a rebuild at the railroad’s Downing B Jenks Shop in North Little Rock, Arkansas, on M... (more)

Likely the most widely used 4-wheel truck in American railroad is EMD’s Blomberg truck. A rebuilt Blomberg sits in the rain outside Union Pacific’s Downing B. Jenks Shop at North Little Rock, ... (more)

The amount of indoor track space inside the cavernous main shop at Union Pacific’s Downing B. Jenks Shop in North Little Rock, Arkansas, is impressive. On the northeast side of the shop facing t... (more)

On May 18, 2015, Union Pacific GE ES44AC No. 5401 gets repainted and lettered at the railroad’s Downing B. Jenks Shop in North Little Rock, Arkansas. Gary Dunlap, a carman by trade, is applying ... (more)

First shift paint shop supervisor David Smith takes inventory of the Scotchlite Union Pacific lettering used on the sides of locomotives that aren’t adorned with the large flags, such as hood un... (more)

Union Pacific EMD SD9043MAC No. 3598, along with several other units, is stored behind the shop at UP’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 18, 2015. Larger shield and w... (more)

Rainy day in Arkansas
Union Pacific EMD GP38-2 No. 689 is in the process of being rebuilt into a GP38N at UP’s Downing B. Jenks Shop at North Little Rock, Arkansas, on a rainy May 20, ... (more)

UPY EMD GP15-1 No. 610 sits in the sandblasting bay at the paint shop at Union Pacific’s Jenks Shop in North Little Rock, Arkansas, on May 19, 2015. After all the desired paint and lettering is ... (more)

Sidewalk Life. At 98 feet long, Union Pacific Railroad 6938 (DDA40X, EMD, 1970) is an impressive sight and a tribute to the "bigger is better" days of railroading. One of 47 built, this uni... (more)

Thirteen-month-old Missouri Pacific GP15-1 1686 was photographed just six months after the MoPac was absorbed into the Union Pacific. While this locomotive is technically a UP possession in this ... (more)