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SECProto
on Jan 17, 2020
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The Boring Company’s Las Vegas tunnel is nearly 50...
Any detail specifically on the tunnels? That just mentioned 200km of track, but not whether above or below grade
Rexxar
on Jan 17, 2020
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90% will be underground (last item of the list of figures at beginning):
https://www.societedugrandparis.fr/info/grand-paris-express-...
asdff
on Jan 17, 2020
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all tunnels are below grade
jtolmar
on Jan 17, 2020
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https://en.wikipedia.org/wiki/Minneapolis_Skyway_System
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