<Tr> <Th> Headquarters </Th> <Td> 1400 Douglas Street Omaha, Nebraska </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.up.com </Td> </Tr> <P> The Union Pacific Railroad (reporting mark UP) (or Union Pacific Railroad Company and simply Union Pacific) is a freight hauling railroad that operates 8,500 locomotives over 32,100 route - miles in 23 states west of Chicago and New Orleans . The Union Pacific Railroad system is the second largest in the United States after BNSF Railway and it is one of the world's largest transportation companies . The Union Pacific Railroad is the principal operating company of the Union Pacific Corporation (NYSE: UNP); both are headquartered in Omaha, Nebraska . </P> <P> The Union Pacific legacy began in 1862 with the original company, called the Union Pacific Rail Road, which was part of the First Transcontinental Railroad project, later known as the Overland Route . Two more Union Pacific railroads were formed after that, the Union Pacific Railway (the second company) which absorbed the original company in 1880 and the Union Pacific "Railroad" (the third company) which absorbed the Union Pacific Railway in 1897 - 1898 . </P>

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