Duluth, Minnesota at the western end of the Saint Lawrence Seaway, the Duluth–Superior seaport is the largest and farthest-inland freshwater seaport in North America. By far the largest and busiest on the Great Lakes, the port handles an average of 46 million short tons of cargo and over 1,100 visits each year from domestic and international vessels. With of waterfront, it is one of the leading bulk cargo ports in North America and ranks among the top 20 ports in the United States. Duluth is a major shipping port for taconite pellets, made from concentrated low-grade iron ore and destined for midwestern
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),