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Union Pacific Invests More than $27 Million for Track Improvements to Its Line Serving Wyoming's South Powder River Basin Coal Mines

Railroad to Use Its Modern Track Renewal Train to Replace Ties and Rail in One Pass

Omaha, Neb., May 07, 2009 – Trains will operate more efficiently as a result of more than $27 million in track improvements made by Union Pacific Railroad to its line between Henry, Neb., and 25 miles east of Lusk, Wyo.

When the project is complete, crews will have removed and installed more than 76,000 concrete ties and 29 miles of rail, spread 98,000 tons of rock ballast to ensure a stable roadbed and replaced four switches, the machines that guide a train from one track to another.  The project begins today and is scheduled to be completed by the end of June.

Crews will complete this track improvement project using Union Pacific's modern  track renewal train, the TRT 909. The TRT 909 will install rail and concrete ties in one pass, and can install up to 5,000 ties in a twelve-hour day. About 30 cars - each carrying 210 concrete ties - are part of the TRT. Three sets of gantry cranes move the concrete ties forward for the TRT to drop into place and the machine then threads the new rail onto the ties. The old wooden ties are picked up and the discarded rail threaded out as the machine works its way down the track. A conveyor moves the removed ties into position for the gantry cranes to load them onto the cars for movement to a facility for sorting. The TRT 909 can install concrete, composite and wooden ties. 

In the last two years, Union Pacific's engineering renewal program invested more than $150 million in track work and facility improvements in Wyoming to ensure safe, reliable transportation. In addition, Union Pacific spent more than $120 million in capacity improvements to support the nation's critical energy route throughout the Midwest.

During 2009, Union Pacific plans to invest $1.7 billion in strengthening the track infrastructure across its more than 32,000-mile system.  This extensive investment in the railroad's track helps ensure Union Pacific has the capability to offer quality, safe and cost-effective service to meet its customers' current and future transportation needs.

Improved and additional rail capacity benefits everyone. It allows freight rail service to grow, helping to build a cleaner environment - freight train emissions are two-thirds less than trucks. Motorists also benefit from reduced congestion on America's highways since a single train can remove about 300 trucks off our roads.

About Union Pacific

Union Pacific Corporation owns one of America's transportation companies. Its principal operating company, Union Pacific Railroad, links 23 states in the western two-thirds of the country. Union Pacific serves many of the fastest-growing U.S. population centers and provides Americans with a fuel-efficient,   environmentally responsible and safe mode of freight transportation. Union Pacific's diversified business mix includes Agricultural Products, Automotive, Chemicals, Energy, Industrial Products and Intermodal. The railroad emphasizes excellent customer service and offers competitive routes from all major West Coast and Gulf Coast ports to eastern gateways. Union Pacific connects with Canada's rail systems and is the only railroad serving all six major gateways to Mexico, making it North America's premier rail franchise.

For further information, contact Mark Davis at (402) 544-5459.

The statements and information contained in the news releases provided by Union Pacific speak only as of the date issued. Such information by its nature may become outdated, and investors should not assume that the statements and information contained in Union Pacific's news releases remain current after the date issued. Union Pacific makes no commitment, and disclaims any duty, to update any of this information.