1.- It’s noisy.
2.- When it stops, all traffic must stop, in all lanes.
3.- Tracks have to be replaced often, which is expensive and very inconvenient for everyone, except perhaps, for the construction company.
4.- When a car breaks down, the whole line stops, prompting more of (2).
5.- It’s heavy prompting more of (3).
6.- The retro design is ugly.
7.- It’s expensive as the design basically for Toronto only.
8.- It’s noisy. Yes very noisy so it goes in twice.