Ah, I see. I forgot that curved bit is officially Parliament rather than Queens Quay.
You got my hopes up for a minute that they'd do a connection from Queens Quay on Parliament to King, the same way they will have a connection from Queens Quay (or whatever the road will be called at Cherry) to the Distillery (and King).
Heck, if you run from Parliament on Front to the plaza between Union and the Royal York with some two-ended streetcars, you'd have a much cheaper solution than this rebuild the Union Station streetcar loop! Though I suppose if you do that, you might as well use Yonge.
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