With respect, the "housing crisis" exists simply because the GTA is the most dynamic economic region in Canada, and, relative to other asset classes, housing in Canada is relatively cheap.  The "housing crisis" is in fact a sign of economic success - so much success that it is over-heating locally.
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As for congestion, the Conservatives have spent 25 years preventing transit from being built.  Of the three parties, The Conservatives = Oil Companies, who profit from making congestion worse.  They oppose all rational solutions to congestion.  The NDP, the supposed party of the working man, oddly doesn't seem to care about how the working man (or woman, really, since transit rides are overwhelmingly women) gets to work.
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Kathleen Wynne is a lifelong transit rider.  She gets it.
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For the first time in 30 years we have a government that is building transit.  Decades overdue.
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And the oil companies are sparing no expense trying to smear her and drive her from office because of it.