Tunneling Under the Radar – Cheap Tunnel Boring Machines solve NIMBY problems?

To bypass Toronto East.Bomanville <->W.Ingersol.401.and.119/19

Earth is 40k kms circumference (40,075km at https://www.wolframalpha.com/input/?t=crmtb01&f=ob&i=circumference+of+the+earth)

206km by 401 only.  220km by 401 & 407.  (Google Maps: https://goo.gl/maps/wLZgc8kAL4k)

Direct over the surface of the earth (along the circuference, not the chord): 194km

So what is the depth under “Toronto”?  Is deep enough to not even have to ask for persmission.  (100m?  200m?)

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