- Parent company
- Union Pacific Corporation
- Headquarters
- Union Pacific Center , Omaha, Nebraska , United States
- Key people
- Thomas C. Durant , Vice President & General Manager (1863-1869) Grenville M. Dodge , Chief Engineer (1866-1870) E.H. Harriman , Chairman of the Board (1898-1909) & President (1901-1909)
- Founder
- United States Congress
- Ceo
- Jim Vena
- Reporting mark
- UP (road locomotives) UPP (passenger cars) UPY (yard locomotives)
- Locale
- Western , Midwestern and Southern United States
- Track gauge
- 4 ft 8 + 1 ⁄ 2 in ( 1,435 mm ) standard gauge
- Length
- 32,100 miles (51,700 km)
- Website
- www .up .com