Union Pacific Railroad (or legally Union Pacific Railroad Company and simply Union Pacific) is a freight-hauling railroad that has 8,500 locomotives. They have over 32,100 route-miles in 23 U.S. states west of Chicago and New Orleans. The Union Pacific Railroad system is the biggest in the United States. They are one of the world's biggest transportation companies.[1]
Quick facts Overview, Headquarters ...
Union Pacific Railroad |
 System map (trackage rights in purple) |
 Union Pacific Challenger #3985 |
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| Headquarters | 1400 Douglas Street
Omaha, Nebraska, U.S. |
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| Reporting mark | UP (road locomotives), UPY (yard locomotives), UPP (passenger railcars) |
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| Locale | United States from Chicago, Illinois, and cities along the Mississippi River to the Pacific coast |
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| Dates of operation | 1862–present (legacy)
- First (original) company, Union Pacific Rail Road: 1862–1880
- Second company, Union Pacific Railway: 1880–1897
- Third company, Union Pacific Railroad (Mark I): 1897–1998
- Fourth company, Union Pacific Railroad (Mark II): 1969–present (originally Southern Pacific Transportation Company until 1998; renamed Union Pacific during UP-SP merger)
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| Track gauge | 4 ft 8 1⁄2 in (1,435 mm) |
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| Length | 32,100 miles (51,660 km) |
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| Website | www.up.com |
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