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

Learn more >

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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 >

Commercial ShippingChevron image

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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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NewsChevron image

Pleasure Craft Lockage Season at Iroquois Lock

Seaway Visitors’ Center to Remain Closed

Official Opening Ceremony – Launch of the 63rd Navigation Season on the Great Lakes – St. Lawrence Seaway System

National Day of Remembrance for Victims of COVID-19

Seaway Tolls to Increase by 2.0% in 2021

St. Lawrence Seaway Wharfage Charges

How to Pay Pleasure Craft Tolls