Marine Highway
The latest developments and news affecting operations, conditions, and improvements of the Great Lakes/St. Lawrence Seaway System.
Soo Locks’ MacArthur Lock Reopens
The Soo Locks’ MacArthur Lock has opened to marine traffic after completing a critical repair that took longer than expected. The MacArthur lock was set to reopen in late April... Read More
Calculated Improvements: Downtime Ensures Reliability at Canadian and U.S. Locks
Between December 2021 and March 2022, The St. Lawrence Seaway Management Corporation (SLSMC) is investing more than C$75 million to complete major maintenance work for its bridges, locks and canals.... Read More
New Water Standards: Updating International Great Lakes Datums to Reflect Lake Bottom Rebound
Since the last ice age, the earth’s crust beneath the Great Lakes has been expanding – rebounding from the weight of glaciers. After all, the Great Lakes were formed by... Read More
Doubling Maritime Trade: Experts Present Progress and Initiatives to Bolster Regional Shipping Business
Reducing environmental impacts, improving operational efficiency and creating a capable, technology-savvy workforce were among the topics addressed at the Conference of the Great Lakes St. Lawrence Governors and Premiers leadership... Read More
In Short: News from October–December 2021
Duluth Makes Way for More Containers Investments in intermodal connections and procedures to ensure homeland security compliance have increased the Port of Duluth’s Clure Public Marine Terminal capacity to handle... Read More