What is Union Pacific Railroad?
{{Infobox rail | railroad_name = Union Pacific Railroad | logo_filename = Union pacific railroad logo.svg | logo_size = 150px | system_map = Union Pacific Railroad system map.svg | map_caption = System map ([[Arrangements between railroads#Trackage rights|trackage rights]] in purple) | map_size = 250 | marks = UP (road locomotives), UPY (yard locomotives), UPP (passenger railcars) | image = Union Pacific Challenger 3985 01.jpg | image_size = 250 | image_caption = [[Union Pacific Challenger]] #3985 | locale = United States from Chicago, Illinois, and cities along the [[Mississippi River]] to the [[Pacific Ocean|Pacific]] coast | start_year = 1862 | end_year = 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) | predecessor_line = | successor_line = | gauge = {{track gauge|ussg}} | old_gauge = | electrification = | length = {{convert|32100|mi|0}} | hq_city = 1400 [[U.S. Route 6|Douglas Street]]<br />[[Omaha, Nebraska]], U.S. | website = {{URL|https://www.up.com}} }} '''Union Pacific Railroad''' (or legally '''Union Pacific Railroad Company''' and simply '''Union Pacific''') is a [[Rail freight transport|freight-hauling railroad]] that has 8,500 locomotives. They have over 32,100 route-miles in 23 [[U.S. state]]s 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.<ref>{{cite web| url=http://www.up.com/aboutup/corporate_info/uprrover/index.htm| title=Company Overview| publisher=Union Pacific Corporation| date=31 December 2013| acc