Adjei
Senior Member
Not a fan of this proposal, but there are many many many urban road tunnels of extended length - these “problems” have been solved. Sydney has just finished building 33 km of new urban motorways at about AU$20 billion, for example (WestConnex)
The only way this would even work was if it was tolled.
But instead of doing this why don’t they propose to work with the Feds to do a phase 2 of the HFR or high speed rail line with stops at Pearson, Kitchener, London, and Windsor.