Record-breaking mega-tunnel for Toronto subway extension is over halfway done
A record-breaking subway tunnel being carved deep beneath Toronto streets has crossed the halfway mark, and will soon carry trains deep into Scarborough as part of a major transit expansion project.Under construction since 2021, the 7.8-kilometre Scarborough Subway Extension (SSE) project will eventually extend the TTC's Line 2 Bl...
https://www.blogto.com/city/2026/03/record-breaking-tunnel-toronto-subway-extension/
A record-breaking subway tunnel being carved deep beneath Toronto streets has crossed the halfway mark, and will soon carry trains deep into Scarborough as part of a major transit expansion project.Under construction since 2021, the 7.8-kilometre Scarborough Subway Extension (SSE) project will eventually extend the TTC's Line 2 Bl...
https://www.blogto.com/city/2026/03/record-breaking-tunnel-toronto-subway-extension/
