In 1963, it was announced by MacNaughton that Highway 401 would be widened from a four-lane highway to a collector-express system, modelled after the Dan Ryan Expressway in Chicago.
Ontario | highway | Hamilton, Ontario | University of Western Ontario | Progressive Conservative Party of Ontario | Kingston, Ontario | London, Ontario | Ontario Liberal Party | Windsor, Ontario | Lake Ontario | state highway | Ontario general election, 1995 | Princes Highway | Scarborough, Ontario | Legislative Assembly of Ontario | Alaska Highway | Trans-Canada Highway | Kitchener, Ontario | Premier of Ontario | Belleville, Ontario | Jefferson Highway | Oakville, Ontario | New Zealand State Highway 1 | Waterloo, Ontario | Member of Provincial Parliament (Ontario) | Northern Ontario | Highway to Heaven | Burlington, Ontario | Ontario New Democratic Party | Royal Ontario Museum |