Metrolinx is preparing to embark on digging the single-largest subway tunnel in Toronto's 67-year history of rapid transit: the controversial 7.8-kilometre Scarborough Subway Extension
https://www.blogto.com/city/2021/10/massive-machine-carve-out-biggest-subway-tunnel-toronto-history/
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.blogto.com/city/2021/10/massive-machine-carve-out-biggest-subway-tunnel-toronto-history/
This massive machine will carve out the biggest subway tunnel in Toronto history
www.blogto.comMetrolinx is preparing to embark on digging the single-largest subway tunnel in Toronto's 67-year history of rapid transit: the controversial 7.8-k...