Lake Superior islands include Madeline Island in the state of Wisconsin, Michipicoten Island in the province of Ontario, and Grand Island (the location of the Grand Island National Recreation Area) in the state of Michigan. The larger cities on Lake Superior include the twin ports of Duluth, Minnesota and Superior, Wisconsin; Thunder Bay, Ontario; Marquette, Michigan; and the twin cities of Sault Ste. Marie, Michigan, and Sault Ste. Marie, Ontario. Duluth-Superior, at the western end of Lake Superior, is the most inland point on the St. Lawrence Seaway and the most inland port in the world. Among the scenic places on the
Duluth Transit Authority Duluth Transit Authority The Duluth Transit Authority (DTA) is the transit agency that provides mass transit service — currently, only buses — in the city of Duluth, Minnesota, United States. The agency also serves nearby Proctor, Minnesota, and Superior, Wisconsin, as well as the eastern edge of Hermantown, Minnesota. The organization was formed in 1969 by the Minnesota State Legislature. In 2009, the DTA was named Transit System of the Year by the Minnesota Public Transit Association. Express service is provided during rush hours to New Duluth (2X), Proctor (3X), Lakeside (7X – PM only), Superior (16X – PM only),