April 4 - At the end of March the St. Lawrence Seaway opened its locks for vessels to enter the Great Lakes and deliver cargo to US and Canadian ports for the 55th annual international shipping season.

The Port of Indiana-Burns Harbour started the season with the arrival of two vessels - the first vessel arriving from the Baltic Sea region delivering liquid fertilizer, while a second ship carrying steel products from the Netherlands also called at the gateway.
The Port of Milwaukee began the season with the arrival of the vessel Federal Welland, a cargo ship carrying raw materials for manufacturing, from the Netherlands.
The 2,340 mile (3766 km) St. Lawrence Seaway is a deep draft waterway open to vessels from mid-March through December, connecting the Atlantic Ocean to heart of North America.