https://en.wikipedia.org/wiki/Toronto_streetcar_system ,
https://en.wikipedia.org/wiki/Flexity_Outlook_(Toronto_streetcar)#Specifications
https://upload.wikimedia.org/wikipedia/commons/b/b7/TTC_streetcar_map_-_2016.png
https://en.wikipedia.org/wiki/Toronto_streetcar_system#Future_expansion
https://en.wikipedia.org/wiki/Toronto_Railway_Company
https://en.wikipedia.org/wiki/List_of_North_American_light_rail_systems_by_ridership#Systems