Evolution of the Toronto Subway 1954-2030s

https://www.youtube.com/watch?v=JRpRxT9s--I

How to Fix Toronto’s (Mostly) Useless Subway Line: The Sheppard Subway https://www.youtube.com/watch?v=Wv0oWk_OVok

Why Toronto Removed a Subway Line... https://www.youtube.com/watch?v=KvwmiSU7zLY