United States Department of Transportation

Experience the St. Lawrence Seaway

Highlights

The Seaway Today
Learn about who we are & what we do
Maritime Community Resources
See why the Seaway is important
History of the Seaway
Discover why the Seaway is a unique DOT presence

Latest Updates

August 28, 2026

Binational Tonnage Press Release - November 13, 2024 (St. Lawrence Seaway Cargo Movements Show Positive October Uptick, Reflecting Strong Demand in Key Sectors)

August 28, 2026

Binational Tonnage Press Release - December 10, 2024 (St. Lawrence Seaway Cargo Movements Top 32 Million Tons through November)

July 31, 2026

Press Release - July 31, 2026 (Trump’s Transportation Department Awards Nine Great Lakes Ports for Moving Record Volume of International Cargo in 2025)

June 3, 2026

March 24, 2026

Press Release - March 24, 2026 (Trump’s Transportation Department Celebrates Opening Season for St. Lawrence Seaway)