Ontario Highway 7

Highway 7
Location of Highway 7 in Southern Ontario.      Current route      Former route
Route information
Length:	535.7 km (332.9 mi)
Existed:	1920 – present
Western segment
Length:	154.1 km (95.8 mi)
West end:	Highway 4 – Elginfield
Major junctions:	Highway 23  Highway 8 – Kitchener  Highway 6 – Guelph
East end:	Halton–Peel boundary (near Norval)
Eastern segment
Length:	381.6 km (237.1 mi)
West end:	Regional Road 48 (Donald Cousens Parkway)
Major junctions:	Highway 115 – Peterborough  Highway 62 – Madoc  Highway 37 – Actinolite  Highway 41 – Kaladar  Highway 15 – Carleton Place
East end:	Highway 417 – Ottawa
Location
Major cities:	Stratford, Kitchener–Waterloo, Guelph, Brampton, Vaughan, Markham, Pickering, Peterborough, Ottawa
Towns:	Halton Hills (Acton, Georgetown, Norval), Whitby, Lindsay, Perth, Carleton Place
Highway system
Ontario provincial highways List 400-series Former ←  Highway 6   Highway 7A →

King's Highway 7, commonly referred to as Highway 7 and historically as the Northern Highway, is a provincially maintained highway in the Canadian province of Ontario. At its peak, Highway 7 measured 716 km (445 mi) in length, stretching from Highway 40 east of Sarnia in Southwestern Ontario to Highway 17 west of Ottawa in Eastern Ontario. However, due in part to the construction of Highways 402 and 407, the province transferred the sections of Highway 7 west of London and through the Greater Toronto Area to county and regional jurisdiction. The highway is now 535.7 km (332.9 mi) long; the western segment begins at Highway 4 north of London and extends 154.1 km (95.8 mi) to Georgetown, while the eastern segment begins at Donald Cousens Parkway in Markham and extends 381.6 km (237.1 mi) to Highway 417 in Ottawa.