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The Seaway is a 21st century transportation system that connects the Great Lakes with the Atlantic Ocean. Learn about its history, operations, commercial shipping, bridge status, map, news and more.
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.
Seaway Map; Nautical Charts; Aids to Navigation; Water Levels and Environmental Data; Resources. Media Resources; For Business and Industry. Schedule of Tolls; Schedule of Wharfage & Storage Charges; Transiting the Seaway; Regulations and Laws; Seaway Notices; Seaway Security; Customer Advisories; Subscribe to News Broadcast; Seaway eBusiness ...
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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.
- Overview
- The economy
St. 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. The St. Lawrence Seaway opened North America’s industrial and agricultural heartlands to deep-draft ocean vessels. It forged the final link in a waterway some 3,766 km ...
The seaway has had a major economic impact on the United States and Canada. A principal reason for its construction was the discovery, in Quebec and Labrador, of vast deposits of iron ore needed by steel mills in the United States. Canada, an importer of American iron ore before the seaway opened, exported ore, the second largest commodity, to the United States thereafter. The largest commodity moved is grain, from farms on Canada’s prairies and in the American Midwest, shipped through the seaway at considerable savings. Major users of the seaway are vessels known as lakers, which are designed to the maximum limits of the seaway locks in order to facilitate two-way trade. A laker can pick up grain in the western Great Lakes, destined for world markets, and return with Canadian iron ore, loaded in the lower St. Lawrence. The third largest seaway commodity is coal, moved chiefly from U.S. mines via the Welland Canal to Canadian steel mills and power plants. Another commodity that is significant—because of its value rather than the amount moved—is imported iron and steel.
Bulk commodities make up about 90 percent of annual cargo tonnage, but vessels of many nations also use the seaway to deliver or pick up general cargoes.
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.
Dec 27, 2020 · The Seaway is a binational waterway that connects the Great Lakes with the Atlantic Ocean and enables commercial and recreational shipping. Find out more about its history, benefits, and features on this website.
