BurlOak
Senior Member
Basically, some of the traffic was supposed to transfer to the Richview Expressway. That was the start of the problems.The Toronto Region Board of Trade is calling for a vertical expansion of Highway 401 near Toronto Pearson International Airport to help alleviate gridlock.
https://www.680news.com/2018/06/26/highway-401-ease-gridlock-board-trade/
-----
At the 427 for instance, the 401 goes from 18 to 10 lanes (and just 8 under the 427) as the collector lanes end. If a new viaduct was built to extend the collector lanes between Highways 427 and 409, you would eliminate this bottleneck.