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News. 2023 Traffic Report. SLSMC and Hoverlink Partner to Leverage Seaway Lands for Sustainable Transportation Solution. GLS Celebrates 70 th Anniversary with Grand Opening New Seaway Visitor Center in Massena, N.Y. Assurance of Safe Seaway Bridges. Sign Up For EMail Updates.
Learn about the St. Lawrence Seaway, a binational waterway that connects the Great Lakes to the Atlantic Ocean and the world. Discover its engineering feats, its role in trade and transportation, and its impact on the North American economy.
May 9, 2024 · Learn about the history, features, and benefits of the deep draft waterway connecting the Atlantic Ocean and the Great Lakes. Find information about locks, tolls, commodities, and recreational boating on the Seaway.
May 5, 2020 · Find out the current location and status of vessels transiting the Great Lakes-St. Lawrence Seaway System. Use the interactive map or call the toll-free number for today's transit times.
The Seaway System encompasses the St. Lawrence River and the five Great Lakes, extending from the Gulf of St. Lawrence at the Atlantic Ocean to the western end of Lake Superior at the twin ports of Duluth, Minnesota, and Superior, Wisconsin.
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Saint Lawrence Seaway, continuous navigable deep waterway project from the Atlantic Ocean to the Great Lakes, undertaken jointly by Canada and the United States and completed in 1959. Learn about the history, economic importance, and physical characteristics of the seaway.
Learn about the lock systems and canals that connect the Great Lakes and the St. Lawrence River. See how ships are raised and lowered by the world's most spectacular lift system.
