Ontario Highway Traffic Act

So it this a hypothetical discussion or was there a collision / ticket issue?

1) Yes, provided you come to a full stop first and yield to all other traffic, pedestrians, etc. (Remember to look to the right for pedestrians and cyclists on the sidewalk before moving.)

2) If the rightmost lane is reserved for buses (as it appears to be in your link), you would turn into the next-closest lane.

3) It's not required, but ...