St. Lawrence Seaway Management CorporationSt. Lawrence Seaway Management Corporation

A 21st century transportation system employing leading edge technology

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Managing a shared resource for the benefit of all

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A 21st century transportation system employing leading edge technology

Learn more >

Managing a shared resource for the benefit of all

Learn more >

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Bridge StatusChevron image

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Seaway MapChevron image

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The SeawayChevron image

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Seaway Continues to Demonstrate Resiliency During 2020 Pandemic

Notice of Proposed Revisions to Seaway Practices and Procedures to be Effective March 23, 2021

SLSMC 2020 Annual Corporate Summary

How to Pay Pleasure Craft Tolls

FAQ - Navigating the Great Lakes St. Lawrence Seaway Under COVID-19 Updated : April 9, 2020