This isn't a post on expanding our highway system but rather, improving what we have.
Please, Toronto, take down the elavated section of the Gardiner. Construct am eight lane boulevard with 60k speeds from the DVP to about Dufferin. Sell the remaining Gardiner from the 427 to Dufferin and let the province take care of it. This 8 lane at grade boulevard will still allow a fast enough commute for goods and people and it will improve the livability of the downtown core. The remaining Gardiner, from the 427 to Dufferin could become part of the QEW and if the city decides to keep that highway- toll it so we can get some more needed revenue for Toronto's transit system.