10/29/2026
The Trans-Canada Highway, stretching 7,821 kilometres from Beacon Hill Park in Victoria British Columbia to the eastern terminus in St John's Newfoundland, is the longest national highway in the world and one of the most ambitious infrastructure projects in Canadian history, a road that took thirteen years to complete, cost 1.4 billion dollars, employed tens of thousands of workers, required engineering solutions to some of the most challenging terrain in North America, and gave Canadians for the first time a physical means of experiencing the full extent of the country they lived in. The idea of a coast-to-coast highway had been discussed in Canada since the early 20th century, motivated both by the practical need for road connections across the country and by a nationalist desire to match the transcontinental ambition of the CPR with a road that ordinary Canadians could travel. The Trans-Canada Highway Act, passed in 1949 by the St Laurent government, established the federal government's commitment to cost-sharing the construction of a paved two-lane highway across Canada with the provinces, with the federal government contributing 50 percent of construction costs on the federal standard sections. Construction began in 1950 and proceeded simultaneously from multiple provincial starting points, with each province responsible for the highway within its boundaries and the federal government providing funding and technical assistance. The most challenging section was the route through the Selkirk Mountains in British Columbia via the Rogers Pass, a route through one of the most avalanche-prone locations in North America that required the construction of 14 kilometres of snowsheds, some of the longest in North America, to protect the highway from the avalanches that descend from the mountains above. The Canadian Shield section in Ontario, where the highway had to be carved through the granite bedrock of the oldest rock formation
