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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New Seaway Tugboat Arrives in Massena, New York

SLSMC 2020 Annual Corporate Summary

SLSDC Names New Associate Administrator for Massena, New York Operations

How to Pay Pleasure Craft Tolls

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