The SMART Transportation Division, formerly known as the United Transportation Union (UTU), is an AFL-CIO affiliate based in North Olmsted, Ohio. Representing approximately 125,000 active and retired railroad, bus, and mass transit workers in the United States, they are a prominent transportation labor union.
As a broad-based organization, SMART is a part of the International Association of Sheet Metal, Air, Rail and Transportation Workers (SMART), advocating for the rights and interests of its members in the transportation industry.