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...

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...

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

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

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

Union Pacific Corporation is a publicly traded railroad holding company. It was incorporated in Utah in 1969 and is headquartered in Omaha, Nebraska....

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...

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 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...

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...