. for other uses see union pacific disambiguation . this article needs additional citations for verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . july 2014 learn how and when to remove this template message union pacific railroad system map trackage rights in purple reporting mark up uprr upy locale united states from chicago illinois and cities along the mississippi river to the pacific coast dates of operation 1862 present track gauge 4 ft 8 1 2 in 1 435 mm standard gauge length 32 100 miles 51 660 km headquarters 1400 douglas street omaha nebraska website www.up.com the union pacific railroad reporting mark up is a freight hauling railroad that operates 8 500 locomotives over 32 100 route miles in 23 states west of chicago illinois and new orleans louisiana . the union pacific railroad network is the largest in the united states and employs 42 600 people . it is also one of the world s largest transportation companies . 1 union pacific railroad is the principal operating company of union pacific corporation nyse unp ; both are headquartered in omaha nebraska . over the years union pacific corporation has grown by acquiring other railroads notably the missouri pacific chicago & north western western pacific missouri kansas texas and the southern pacific including the denver & rio grande western . union pacific corporation s main competitor is the bnsf railway the nation s second largest freight railroad which also primarily services the continental u.s. west of the mississippi river . together the two railroads have a duopoly on all transcontinental freight rail lines in the u.s. the current chairman of union pacific corporation is lance fritz . 2 contents 1 history 2 union pacific corporation 3 facilities 3.1 active hump yards 4 union pacific railroad museum 5 locomotive and rolling stock 5.1 paint and colors 5.2 2013 locomotive roster 5.3 surviving merger partner locomotives 5.4 historic locomotives 5.5 preserved steam locomotives 6 passenger train service 7 notable accidents 8 facts and figures 9 company officers 10 environmental record 11 emp 12 see also 13 notes 14 references 15 further reading 16 external links history edit main article history of the union pacific railroad the original company was incorporated on july 1 1862 under an act of congress entitled pacific railroad act of 1862 . the act was approved by president abraham lincoln and it provided for the construction of railroads from the missouri river to the pacific as a war measure for the preservation of the union . 3 it was constructed westward from council bluffs iowa to meet the central pacific railroad line which was constructed eastward from san francisco bay . the line was constructed primarily by irish labor who had learned their craft during the recent civil war . 4 the two lines were joined together at promontory summit utah 53 miles 85 km west of ogden on may 10 1869 hence creating the first transcontinental railroad in north america . 5 under the guidance of its dominant stockholder dr. thomas clark durant the namesake of the city of durant iowa the first rails were laid in omaha . subsequently up purchased three mormon built roads the utah central railroad extending south from ogden to salt lake city the utah southern railroad extending south from salt lake city into the utah valley and the utah northern railroad extending north from ogden into idaho . it built or purchased local lines that gave it access to denver colorado to portland oregon and to the pacific northwest and acquired the kansas pacific originally called the union pacific eastern division though in essence a separate railroad . it also owned narrow gauge trackage into the heart of the colorado rockies and a standard gauge line south from denver across new mexico into texas both parts of the union pacific denver and gulf railway . the last spike by thomas hill 1881 directors of the union pacific railroad gather on the 100th meridian which later became cozad nebraska approximately 250 miles 400 km west of omaha nebraska territory in october 1866 . the train in the background awaits the party of eastern capitalists newspapermen and other prominent figures invited by the railroad executives . up was entangled in the cr dit mobilier scandal exposed in 1872 . its independent construction company the cr dit mobilier had bribed congressmen . the up itself was not guilty but it did get bad publicity . the financial crisis of 1873 led to financial troubles but not bankruptcy . the company was reorganized as the union pacific railway on january 24 1880 with its dominant stockholder being jay gould . the new company declared bankruptcy during the panic of 1893 . when it emerged in 1897 it reverted to the original name union pacific railroad . 6 the corporate headquarters of the union pacific corporation were located in new york city from its initial founding in the 1860s until drew lewis became ceo in the mid 1980s . he relocated it to bethlehem pennsylvania . later the headquarters was shifted to dallas texas before relocating to omaha to join the operating headquarters . 7 revenue passenger traffic in millions of passenger miles year traffic 1925 1 065 1933 436 1944 5 481 1960 1 233 1970 333 source icc annual reports in the tables up includes osl owr & n la & sl stj & gi ; 1925 1944 passenger mile totals do not include laramie north park & western saratoga & encampment valley or pacific & idaho northern and none of the totals includes spokane international or mount hood . from the icc annual reports except 1979 is from moody s. revenue freight ton miles millions up lnp & w s & ev p & in 1925 12 869 10 3 1933 8 639 4 0.4 into up 1944 37 126 7 0.7 1960 33 280 into up into up 1970 47 575 1979 73 708 on december 31 1925 up osl owrn la & sl stj & gi operated 9 834 route miles and 15 265 track miles . at the end of 1980 union pacific operated 9 266 route miles and 15 647 miles of track . 8 moody s shows 220 697 million revenue ton miles in 1993 on the expanded system 17 835 route miles at the end of the year . union pacific corporation edit union pacific corporation type public traded as nyse unp industry transportation founded omaha nebraska united states 1862 1862 headquarters omaha nebraska united states area served western and mid western united states key people lance m. fritz chairman president and ceo revenue us 21.963 billion 2013 9 us 20.926 billion 2012 9 operating income us 7.446 billion 2013 9 us 6.745 billion 2012 9 net income us 4.388 billion 2013 9 us 3.943 billion 2012 9 total assets us 49.731 billion 2013 10 us 47.153 billion 2012 9 total equity us 21.225 billion 2013 10 us 19.877 billion 2012 10 number of employees 42 884 2010 11 subsidiaries southern pacific rail corporation union pacific railroad company 11 at exhibit 21 alton & southern railway insight network logistics inl ps technology pst ship cars now streamline transentric union pacific distribution services upds 12 website www.up.com footnotes references 11 union pacific center in omaha nebraska union pacific corporation is the publicly traded parent company of all up subsidiaries and operating companies including union pacific railroad company the largest operating company and southern pacific rail corporation . union pacific corporation was incorporated in utah in 1969 . 11 union pacific corporation s headquarters are located in omaha nebraska . lance m. fritz is the current chairman president and chief executive officer . citation needed facilities edit ogden utah yard one of the 20 new 2 000 hp green goat locomotives manufactured for union pacific s green fleet by railpower technologies because of the large size of up hundreds of yards throughout its rail network are needed to effectively handle the daily transport of goods from one place to another . to reduce overall emissions union pacific is acquiring a new generation of environmentally friendly locomotives for use in los angeles basin rail yards . citation needed union pacific built a 90 million state of the art intermodal terminal in san antonio intermodal terminal in san antonio texas in 2009 . 13 14 active hump yards edit hump yards work by using a small hill over which cars are pushed before being released down a slope and switched automatically into cuts of cars ready to be made into outbound trains . union pacific s active hump yards include 15 bailey yard in north platte nebraska beaumont yard in beaumont texas davidson yard in fort worth texas davis yard in roseville california englewood yard in houston texas gateway yard in east st louis illinois owned by subsidiary alton and southern railway hinkle yard in hermiston oregon livonia yard in livonia louisiana neff yard in kansas city missouri north little rock yard in north little rock arkansas pine bluff yard in pine bluff arkansas proviso yard in northlake illinois formerly owned by chicago and north western transportation company strang yard in la porte texas west colton yard in bloomington california union pacific railroad museum edit the union pacific railroad museum the union pacific railroad museum in council bluffs iowa houses one of the oldest corporate collections in the united states . it includes artifacts photographs and documents that trace the development of the railroad and the american west . the completion of union pacific s transcontinental railroad in 1869 helped shape the landscape and geography and brought tens of thousands of westward bound immigrants to the american west . the museum s collection features weapons from the late 19th and 20th centuries outlaw paraphernalia a sampling of the immigrants possessions and a photograph collection comprising more than 500 000 images . 16 in 2009 the america s power factuality tour stopped at the union pacific railroad museum to report on the railroad s role in generating electricity in the united states . 17 locomotive and rolling stock edit paint and colors edit this section relies largely or entirely upon a single source . relevant discussion may be found on the talk page . please help improve this article by introducing citations to additional sources . july 2014 union pacific 9214 a ge dash 8 40c shows the standard up diesel locomotive livery on may 10 1991 . up s basic paint scheme for its diesel electric locomotives is the oldest still in use by a major railroad . the middle two thirds of the locomotive body is painted armour yellow so named because it was the color used by the armour meat company . a thin band of signal red divides this from the harbor mist gray a fairly light gray used for the body and roof above that point . signal red is also painted at the bottom of the locomotive body but this color has gradually become yellow as new federal railroad administration fra regulations for reflectorized tape came into effect in 2005 ; the trucks underframe fuel tanks and everything else beneath that line are also harbor mist gray . lettering and numbering are in signal red with black outlines . some locomotives historically passenger locomotives and some recent units from 2000 on have white outlined blue wings on the nose . beginning in early 2002 a number of units were repainted with a large billowing american flag with the corporate motto building america on the side where the union pacific lettering is normally positioned . this paint scheme is known as building america wings or flags and flares . union pacific 5391 approaching bridge at multnomah falls oregon shows the white outlined blue wings on the nose the armour yellow livery was first introduced on the up s m 10000 streamliner train