United Transportation Union

United Transportation Union

Abbreviation	UTU
Merged into	International Association of Sheet Metal, Air, Rail and Transportation Workers
Formation	1969 (1969)
Dissolved	2014 (2014)
Merger of	Brotherhood of Locomotive Firemen and Enginemen Brotherhood of Railroad Trainmen Order of Railway Conductors Switchmen's Union of North America
Type	Trade union
Headquarters	Cleveland, Ohio, US
Location	Canada United States
Membership (2000–2012)	65,593–84,679
Affiliations	AFL-CIO Canadian Labour Congress

The United Transportation Union (UTU) was a broad-based, transportation labor union that represented about 70,000 active and retired railroad, bus, mass transit, and airline workers in the United States. The UTU was headquartered in Cleveland, Ohio. On August 11, 2014, it merged with the Sheet Metal Workers' International Association (SMWIA) to form the International Association of Sheet Metal, Air, Rail and Transportation Workers, known by the acronym SMART.