https://www.masstransitmag.com/rail/infrastructure/article/21150883/rfp-for-scarborough-subway-extension-tunneling-work-expected-to-be-released
RFP for Scarborough Subway Extension tunneling work expected to be released | Mass Transit
Three shortlisted teams will be asked to prepare proposals for the tunneling work associated with the three-stop extension.
scarborough subway extensionto bemass transitrfptunneling
https://www.metrolinx.com/en/discover/breaking-ground-on-the-scarborough-subway-extension
Breaking ground on the Scarborough Subway Extension
Breaking ground on the Scarborough Subway Extension
scarborough subway extensionbreaking ground
https://toronto.citynews.ca/2025/11/12/scarborough-subway-extension-tunnel-boring-machine-highway-401-repairs/
Documents show months-long fix was needed for Scarborough subway extension tunnel-boring machine
Nov 12, 2025 - The Ontario NDP released the documents on Wednesday after the party previously filed a freedom of information request.
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https://globalnews.ca/news/11255440/scarborough-subway-extension-cost-increase/
Cost of Scarborough Subway Extension almost doubles from initial estimate | Globalnews.ca
The Scarborough Subway Extension was first announced in 2019 as part of Ontario Premier Doug Ford's "transportation vision" with an estimated cost of $5.5...
scarborough subway extensioncostalmostdoublesinitial