About the Project
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The Toronto-York Spadina Subway Extension Project (TYSSE) will provide a critical extension for the existing Toronto Transit Commission (TTC) subway system across the municipal boundary between the City of Toronto and The Regional Municipality of York (York Region).
Find answers to commonly asked Toronto-York Spadina Subway Extension questions.
View what Toronto-York Spadina Subway Extension is doing to meet Environmental Commitments.
Before construction begins there are many approvals required by Toronto City Council, such as by-law amendments, variances, sight plan approvals, etc.
History and Milestones for the Toronto-York Spadina Subway Extension.
Wondering how the new route will appear on the TTC System Map.
Construction Activity Maps
View the Construction Activity Maps that feature subway construction information and tunnel boring progress in your neighbourhood.
Latest Project News
Read the latest Project News featuring a story about the completion of tunnelling.
Check out the latest construction photos.