The St. Lawrence Seaway officially closed for the season on December 30, 2004, with the passage of the McKeil Marine integrated tug and barge, McCleary’s Spirit, through the St. Lambert Lock at 5:51 a.m. in the Montreal/Lake Ontario section. The Seaway opened its 46th shipping season on March 25 and remained open for 281 days in 2004. The Welland Canal section closed at 5:19 p.m. on December 31, with the transit of the Canada Steamship Lines vessel CSL Niagara. “We are pleased to report excellent traffic results, with an overall estimated 5.3% increase in tonnage this year,” said Richard Corfe, President of The St. Lawrence Seaway Management Corporation.