Quebec Unveiled Plans For A Huge New Tunnel Under The River At Quebec City (VIDEO)

On Monday, the government unveiled its plan for a "third line" between Quebec City and Lévis — an 8.3-kilometre tunnel with three lanes in each direction stacked on top of each other.

The plan calls for one dedicated lane for electric buses on each level.

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The project would link autoroutes 20 and 973 with an exit to the autoroute Dufferin-Montmorency.

Premier François Legault, Deputy Premier Geneviève Guilbault and Transport Minister François Bonnardel presented the tunnel as part of a broad transportation plan for the Quebec City area, a plan they dubbed the Réseau express de la Capitale (REC).

The REC also includes the much-anticipated Quebec City tramway.

The provincial government's preliminary estimate puts the cost of the tunnel between $6 billion and $7 billion.