DVP flooded, and look at the answer of the major.
x.com
Seems like an honest, forthright answer.
You want ever road shut down preemptively when rain approaches? All the downtown underpassesat the lower end of York, Simcoe. Rees, Spadina had standing water. and areas beneath the Gardiner also ahd standing water.
Don River is the center of the main surface watershed of a huge area. It floods somewhat regularly and in response the City studied, planned for, engineered and is now almost completed a pretty impressive settling wetland to soak up those big rainfall events and prevent the spewing of dirty street surfce water from going directly into the lake.
But we get it, you don't like Chow.