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Originally Posted by Marshsparrow
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Ya this is going to be a vision and nothing more like the previous Liberal Government's 350km/h HSR plan to London that vanished from the face of the Earth after the 2014 Ontario election.
Fixing bottlenecks on the 401 and rebuilding the major freeway interchanges to handle more capacity would cost a fraction of this tunnel proposal and give significant relief to the 401's traffic flow - which in turn will benefit the rest of the 400 series in the area.
If the issue is with logistics/freight trucking and transit, you could look into building HOV and truck only lanes. The HOV could be a 4 lane viaduct overtop of the centre of the highway while the innermost left express lane could be used for long-distance 18 wheelers only.
Basically throw money at what will give you the most benefit for the lowest cost.
If this tunnel thing happens, even just a portion of it would be baffling and take a decade or more to construct. I could see maybe something under Pearson or a double-deck connector between the 427 and 409 but that's really it.
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