St. Lawrence Seaway cargo reached 37 million tonnes in 2024 navigation season

March 07, 2025

The St. Lawrence Seaway Management Corporation (SLSMC) announced that approximately 37 million tonnes of goods were shipped via the St. Lawrence Seaway during the 2024 navigation season. These results highlight the Seaway's ongoing role as a vital element in the North American supply chain.

The 2024 navigation season, which opened on March 22, 2024 and closed January 10, 2025, spanned 295 days and was the longest planned season in history. This expanded season reflects the Seaway's commitment to maintaining a predictable and reliable trade corridor for shippers and carriers.

Trends across major cargo segments indicate continued demand in key sectors. Grain experienced a year-over-year increase of 12%, while potash grew 14%. Meanwhile, liquid bulk increased 10% year-over-year, and general cargo increased 14%.

In December, SLSMC announced an investment of over $350 million in infrastructure upgrades over the next three years. This investment will enhance critical infrastructure, ensuring strong supply chain links and a reliable transportation mode for the movement of goods.

Source: SLSMC