Vencouver's Broadway Subway excavation,
A year after two tunnel-boring machines began excavating tunnels for Vancouver’s Broadway subway line, one of the 1,000-tonne machines has broken through to the fourth of the line’s six underground stations.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://o.canada.com/news/local-news/broadway-subway-tunnel-boring-machine-hits-future-oak-vgh-station
Broadway subway: Tunnel-boring machine hits future Oak-VGH Station
o.canada.comThe Broadway Subway project has hit a milestone with one of the tunnel-boring machines reaching Oak-VGH Station.