Marine Highway
The latest developments and news affecting operations, conditions, and improvements of the Great Lakes/St. Lawrence Seaway System.
New Poe Lock Arrestor Arm is Largest U.S. Civil Works Component Produced by 3D Printer
The largest U.S. civil works component produced by 3D printer has been installed on the Soo Locks in Sault Ste. Marie, Michigan. In early March, the U.S. Army Corps of... Read More
St. Lawrence Seaway Begins 66th Navigation Season
The Great Lakes St. Lawrence Seaway System’s 66th navigation season is now underway. The U.S. Department of Transportation’s (USDOT) Great Lakes St. Lawrence Seaway Development Corporation (GLS) joined its partner,... Read More
Fiscal Year 2025 Budget Proposal & the Great Lakes
The Biden Administration has released its budget proposal for all federal agencies for Fiscal Year 2025, which will begin on October 1. This year’s budget process coincides with FY2024, because... Read More
Soo Locks to Open Early for 2024 Shipping Season
The Soo Locks in Sault Ste. Marie, Michigan, will open the Poe Lock to all marine traffic at 6 p.m. on March 22, marking the start of the 2024 Great... Read More
Great Lakes See Lowest Ice Coverage in Decades
The unusually warm winter has significantly affected ice coverage on the Great Lakes. In mid-February, the ice extent across all the lakes was the lowest it has been in more... 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
Davie Purchases Finland’s Helsinki Shipyard Oy
Canada’s largest shipbuilder, Davie Shipbuilding, has acquired Finland’s Helsinki Shipyard Oy, the world’s leading builder of icebreakers and ice-class ships. While both shipyards will remain separate legal entities, the business... Read More
MARAD Awards Grants to Eight Marine Highway Projects, Including One in Wisconsin
the U.S. Department of Transportation’s Maritime Administration (MARAD) awarded nearly $12 million in grants to eight marine highway projects across the nation, including one on the Great Lakes, under the... Read More
New Study Details Economic Impact of the Great Lakes-St. Lawrence Seaway System
A comprehensive independent study of the economic impacts of the Great Lakes-St. Lawrence Seaway navigation system for the 2022 shipping season has been released. The binational study, “Economic Impacts of... Read More
Corps of Engineers to Begin Dredging, Beach Nourishment in South Haven
The U.S. Army Corps of Engineers, Detroit District will soon begin hydraulically dredging the federal navigation channel and nourishing the South Haven Harbor shoreline. In coordination with the City of... Read More
Construction Continues at the Soo
The U.S. Army Corps of Engineers New Lock at the Soo project remains on schedule as major construction continues with phases 2 and 3 this season. Joint ventures Kokosing-Alberici (Upstream... Read More