St. Lawrence Seaway Management Corporation (SLSMC)

St. Lawrence Seaway Opens for 2025 Shipping Season

The 2025 shipping season on the St. Lawrence Seaway is now underway. The St. Lawrence Seaway Management Corporation (SLSMC) officially launched its 67th navigation season on March 25, 2025, with... Read More

Lock and Dam #7 Gate Replacement Completed

It took 12-person crews working 18-hour days over a four-day period to complete, but on January 17, teams from local contractor E.S. Fox Ltd., a multi-trade industrial contractor and fabricator,... Read More

SLSMC to Invest $350 Million in Infrastructure Upgrades

The St. Lawrence Seaway Management Corporation (SLSMC) has announced an investment of more than $350 million in infrastructure upgrades over the next three years. This investment will ensure the Seaway’s... Read More

St. Lawrence Seaway Remains a Key Supply Chain

The St. Lawrence Seaway is releasing new figures on its performance. As of the end of August, 19.5 million metric tons of cargo have been shipped on the St. Lawrence... Read More

Testing Underway on AI Platform to Aid Great Lakes Navigation

In a joint effort between the Canadian St. Lawrence Seaway Management Corporation (SLSMC) and the U.S. Great Lakes St. Lawrence Seaway Development Corporation (GLS), testing is now underway on a... Read More

New President and CEO of St. Lawrence Seaway Management Corporation

  The St. Lawrence Seaway Management Corporation’s (SLSMC) Board of Directors has announced the appointment of Demetrios (Jim) Athanasiou as its next president and chief executive officer. Athanasiou replaces Terence... Read More

Investing in the Future

Bi-National Survey Finds Great Lakes is Essential to North American Economy The commitment to solidify the Great Lakes-St. Lawrence Seaway system as an integral part of the North American economy... Read More

Nearly 38 Million Metric Tons Transit System in 2023

Nearly 38 million metric tons (mmt) of cargo transited the Great Lakes-St. Lawrence Seaway System in 2023. This resulted in an overall increase of more than 3.4 percent compared to... Read More

Survey Results Show $8.4 Billion Committed to Great Lakes-St. Lawrence Seaway Shipping

A binational coalition of Great Lakes and St. Lawrence maritime organizations have released a new survey of infrastructure investments by both the public and private sector in the Great Lakes-St.... Read More

SLSMC Reaches Agreement with Unifor

Marine traffic is moving again on the St. Lawrence Seaway after a weeklong strike shut down the seaway between Lake Erie and Montreal. On October 22, 2023, 360 Unifor employees... Read More

65th Opening of the St. Lawrence Seaway

The 2023 navigation season on the St. Lawrence Seaway is now underway. On Wednesday, March 22, 2023, Terence Bowles, president and CEO of the St. Lawrence Seaway Management Corporation (SLSMC),... Read More