John Street is an east-west collector and arterial road in the City of Markham, Ontario, Canada. It is one of the oldest roads in the Markham and forms the east-west backbone of the 200-year-old community of Thornhill.
John Street is an east-west collector and arterial road in the City of Markham, Ontario, Canada. It is one of the oldest roads in the Markham and forms the east-west backbone of the 200-year-old community of Thornhill. (en)