The Toronto subway system left the city on Sunday.
After almost a decade of construction, a 6-stop extension of Line 1 breached the northern municipal boundary and traveled 1.5 miles into York Region, the area that adjoins Toronto’s northern border.
It’s the first local subway expansion in 15 years and the second in a row to serve the suburban areas north of the central core. If you missed that Toronto was working on a major subway expansion, you certainly were not alone.
The city’s other big trans…