Marine Highway
The latest developments and news affecting operations, conditions, and improvements of the Great Lakes/St. Lawrence Seaway System.
MarAd Expands Inland Waterways
U.S. Department of Transportation Secretary Sean P. Duffy has announced the Maritime Administration (MarAd) has designated 848 new miles of navigable waterways and approved 14 new sponsors for the U.S.... Read More
Remaining Phase 3 Options Awarded for New Lock at the Soo
U.S. Army Corps of Engineers, Detroit District’s New Lock at the Soo project in Sault Ste. Marie, Michigan, has awarded a total of $95.3 million for remaining Phase 3 options... Read More
Visitors Welcome to Attend 2025 Soo Locks Engineers Day
The U.S. Army Corps of Engineers in conjunction with the city of Sault Ste. Marie, the Sault Ste. Marie Convention & Visitors Bureau, the United States Coast Guard, the Lake... Read More
USACE Begins Dredging at Holland Harbor
The U.S. Corps of Engineers, Detroit District will start dredging the entrance to Holland Harbor as early as Thursday, April 24 to remove shoaling across the federal channel. Surveys indicate... Read More
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
How the New Administration Addresses the Great Lakes-St. Lawrence Seaway System
Experts and executives are expecting that the Trump administration could bring significant changes to Great Lakes maritime traffic and ports. Small changes could have real economic impacts on many companies... 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
Progress at the Soo
A major milestone has been reached on construction of the New Lock at the Soo project. The U.S. Army Corps of Engineers, Detroit District has completed Phase 2 of the... 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
Experimental Dredging for U.P. Harbor
The U.S. Army Corps of Engineers, Detroit District and Engineer Research and Development Center(ERDC) in partnership with the U.S. Navy removed more than 25,000 cubic yards of material from Little... Read More
Regional Ocean Partnerships Might Mean New Opportunities for the Great Lakes
In June, the National Oceanic and Atmospheric Administration (NOAA) published draft guidance that would allow new Regional Ocean Partnerships (ROP), including ones on the Great Lakes. ROPs have been around... Read More