Commercial Shipping

Seaway Handbook

This Seaway Handbook contains the joint St. Lawrence Seaway Management Corporation's Seaway Practices and Procedures established under Section 99 of the Canada Marine Act and the Saint Lawrence Seaway Development Corporation's Seaway Regulations established pursuant to the Saint Lawrence Seaway Act of May 13, 1954, as amended.

All vessels transiting the St. Lawrence Seaway, which exceed 300 gross registered tonnes must conform to the regulations and provisions found within the Seaway Handbook.

The provisions within the Seaway Handbook are subject to change. To subscribe to the free Seaway Handbook update service, please click here.

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