The Union Pacific Railroad (reporting marks UP, UPP, UPY) is a Class I freight-hauling railroad that operates 8,300 locomotives over 32,200 miles (51...

Missouri-Illinois. Union Pacific Corporation, the parent company of the Union Pacific Railroad, agreed to buy the Missouri Pacific Railroad on January 8, 1980...

1870. The railroad was consolidated with the Union Pacific in 1880, and its mainline continues to be an integral part of the Union Pacific network today...

Locomotive Company (ALCO) between 1941 and 1944 and operated by the Union Pacific Railroad in revenue service until 1962. The 25 Big Boy locomotives were built...

The Central Pacific Railroad (CPRR) was a rail company chartered by U.S. Congress in 1862 to build a railroad eastwards from Sacramento, California, to...

railroad, see Union Pacific Corporation. There have been four railroads called Union Pacific: Union Pacific Rail Road, Union Pacific Railway, Union Pacific...

Union Pacific Corporation is a publicly traded railroad holding company. It is incorporated in Utah and is headquartered in Omaha, Nebraska. Its only...

train route operated jointly by the Union Pacific Railroad and the Central Pacific Railroad/Southern Pacific Railroad, between the eastern termini of Council...

Corporation and it was soon merged into the Union Pacific Railroad. The original Western Pacific Railroad (1862–1870) was established in 1862 to build...

Union Pacific 844 is a class "FEF-3" 4-8-4 "Northern" type steam locomotive owned and operated by the Union Pacific Railroad for its heritage fleet. Built...

Union Pacific 4014 is a steam locomotive owned and operated by the Union Pacific (UP) as part of its heritage fleet. It is a four-cylinder simple articulated...

The Union Pacific heritage fleet includes commemorative and historic equipment owned by the Union Pacific Railroad. The fleet currently consists of two...

transcontinental railroad (known originally as the "Pacific Railroad" and later as the "Overland Route") was a 1,911-mile (3,075 km) continuous railroad line built...

Brushaber v. Union Pacific Railroad Co., 240 U.S. 1 (1916), was a landmark United States Supreme Court case in which the Court upheld the validity of a...

The Union Pacific West Line (UP-W) is a Metra commuter rail line operated by Union Pacific Railroad in Chicago, Illinois and its western suburbs. Metra...

headquarters in Dallas, Texas. Established in 1865 under the name Union Pacific Railroad (UP), Southern Branch, it came to serve an extensive rail network...

was acquired in 1996 by the Union Pacific Corporation and merged with their Union Pacific Railroad. The Southern Pacific legacy founded hospitals in San...

Pacific Railroad Acts of 1862 were a series of acts of Congress that promoted the construction of a "transcontinental railroad" (the Pacific Railroad)...

Kansas Pacific and Union Pacific railroads in 1880. The railroad was formed primarily to create a link between Denver and the transcontinental railroad at...

Union Pacific 6936 is an EMD DDA40X locomotive built for the Union Pacific Railroad (UP). Previously a part of UP's heritage fleet, 6936 was for several...

Union Pacific steam locomotive. It was originally acquired by the Union Pacific Railroad (UP) in 1887. UP 737 began its career as part of one of the largest...

interests, led by W.A.H. Loveland, and outside investors of the Union Pacific Railroad led at times by Jay Gould. The early struggle of the company to...

American Locomotive Company (ALCO) of Schenectady, New York, for the Union Pacific Railroad. No. 3985 is one of only two Challengers still in existence and...

Pacific Railroad (not to be confused with Union Pacific Railroad) was a railroad based in Missouri. It was a predecessor of both the Missouri Pacific...

the Union Pacific Railroad. This line was previously operated by the Chicago & North Western Railway before its merger with the Union Pacific Railroad, and...

operated by Union Pacific from 1952 to 1970. Union Pacific operated the largest fleet of gas turbine–electric locomotives (GTELs) of any railroad in the world...

the more prosperous era in the history of American railroad travel. As Salt Lake Union Pacific Railroad Station, it is listed on the National Register of...

Locomotive Company (ALCO) from 1936 to 1944 and operated by the Union Pacific Railroad until the late 1950s. A total of 105 Challengers were built in five...

The Union Pacific Northwest Line (UP-NW) is a commuter rail line provided by Metra and operated by the Union Pacific Railroad in Chicago, Illinois and...

Union Pacific No. 119 was a 4-4-0 American type steam locomotive made famous for meeting the Central Pacific Railroad's Jupiter at Promontory Summit,...