
The Shipping Network Most Americans Never See: Why The Great Lakes Still Matter To Detroit
When most people think about transportation, they think about highways, railroads, airports, and trucks.
Yet one of North America's most important transportation networks remains largely out of sight: the Great Lakes maritime system.
Every year, more than 200 million tons of cargo move through the Great Lakes and the St. Lawrence Seaway, connecting Detroit and other industrial cities to markets across the United States, Canada, and the world.
For Detroit, shipping remains an often-overlooked pillar of the regional economy.
























