Oooh... not directly related to this thread, but this is a really cool animation of the Maglev under construction in Japan. It will be 80% in tunnels.
https://scmaglev.jr-central-global.com/maglevline/
Cool Construction status page as well:
https://scmaglev.jr-central-global.com/status/
This made me think that any line from Vancouver to Calgary would be primarily in tunnels as well.
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