Saint Lawrence Seaway

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Experience the SLSDC!

Providing a safe, secure, and competitive international waterway!

A ship at port

Experience the U.S. locks!

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Experience the U.S. locks!

The U.S. Eisenhower and Snell Locks in Massena, N.Y.
Experience the Great Lakes-Seaway System!

North America's "Highway H2O"!
Celebrate USDOT's 50th Anniversary!

A legacy of safety, opportunity, and innovation!
Beyond Traffic 2045

The U.S. Department of Transportation's 30 Year Framework for the Future

Join the conversation!

The Seaway Today

Learn about who we are & what we do
History of the Seaway

Discover why the Seaway is a unique DOT presence
Maritime Community Resources

See why the Seaway is important

Latest Updates

9/21/2016

DWIGHT D. EISENHOWER VISITORS' CENTER CLOSES FOR THE SEASON
8/31/2016

Dwight D. Eisenhower Visitors' Center Hours Change This Week And Prepare to Close on Labor Day
5/23/2016

Dwight D. Eisenhower Visitors' Center Opening
4/27/2016

SLSDC Fiscal Year (FY) 2015 Annual Report

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What Are You Interested In?

Interactive shipping map and schedule
Timeline of the St. Lawrence Seaway and the SLSDC
Visitors' Center
Career at the SLSDC

Would you like to learn more? Are you a shipper? Please visit the Great Lakes Seaway System Binational Web Site

U.S. DEPARTMENT OF TRANSPORTATION

Saint Lawrence Seaway Development Corporation

1200 NEW JERSEY AVENUE, SE

WASHINGTON, DC 20590

855-368-4200

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