Sussex Drive Sussex Drive Sussex Drive () is a major street in Ottawa, Ontario, Canada, and one of the city's major ceremonial and institutional routes. Running roughly parallel to the Ottawa River, Sussex Drive begins at Rideau Street at the north end of Colonel By Drive, running north and then bending northeast until MacKay Street, where it becomes the Sir George-Étienne Cartier Parkway. Sussex is a particularly famous street in the capital, as it is home to the Prime Minister's residence at 24 Sussex Drive and home to the Governor General's residence at Rideau Hall. Also located on Sussex are Ottawa's former
Harrington Park (homestead) the estate comprised 800 acres of cleared land, pasture and forest with crop paddocks and a vegetable garden near the house. A second driveway approaches the homestead complex from within the new suburb of Harrington Park, off Parkway Drive / Cobbitty Road/ Oran Park Drive to its north via the new suburb and off the Northern Road to the west. A series of farm dams to the house's south-east have been modified or lost with residential development although the small pond alongside the 1890s realigned driveway remains within open space. Today the garden retains many mature coniferous and other trees