Over 7,000 ships a year transit the Soo Locks
Crews at the Soo Locks complete over 7,000 lockages during the 42-week-long navigation season. The locks operate 24 hours a days, seven days a week allowing government, commercial and private vessels to quickly pass between Lake Superior and Lake Huron.

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Photo by: Carrie Fox |  VIRIN: 231128-A-WR196-1017.JPG
The most recent appropriations for the Department of War expired at 11:59 p.m. EST on September 30, 2025. Military personnel will continue in a normal duty status without pay until such time as a continuing resolution or appropriations are passed by Congress and signed into law. Civilian personnel not engaged in exempted or excepted activities will be placed in a non-work, non-pay status.