As megaprojects go, one of the most successful in Canadian history is usually cited as the St. Lawrence Seaway, a system of canals and locks completed in the 1950s that connected the Great Lakes to Atlantic Ocean freighter traffic for the first time. And even when adjusting for inflation, the total cost of the seaway comes to about $5.3 billion. Or, about 17 per cent of the quoted Port of Churchill expansion price.
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