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Which TTC subway line is the oldest?

  • Line 1 Yonge-University

  • Line 2 Bloor-Danforth

  • Line 3 Scarborough

  • Line 4 Sheppard

Answer

Line 1 Yonge-University is the oldest subway line in the TTC system, opening in 1954. It was the first rapid transit line in Canada and has since been expanded multiple times to better serve the growing city.
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