Ontario Highway 70

Highway 70 marker
Highway 70
Route information
Maintained by Ministry of Transportation of Ontario
Length15.1 km[5] (9.4 mi)
ExistedApril 22, 1965 (1965-04-22)[1]–April 1, 1997 (1997-04-01)[2]
HistoryEarlier routing: September 1, 1937[3]–April 1, 1960[4]
Major junctions
South end  Highway 6 / Highway 21 near Owen Sound
North end Highway 6 north in Hepworth
Location
CountryCanada
ProvinceOntario
Highway system
← Highway 69→ Highway 71

King's Highway 70, commonly referred to as Highway 70, was a provincially maintained highway in the Canadian province of Ontario, which provided a shorter route from Highway 6 and Highway 21 in Springmount to Highway 6 in Hepworth. The route, which now forms part of Highway 6, was 15.1 kilometres (9.4 mi) long and travelled in a southeast–northwest direction west of Owen Sound. The route followed an early trail blazed by deputy surveyor Charles Rankin in 1842 that was upgraded to a modern road in the 1920s. Highway 70 was designated in 1965 and renumbered as Highway 6 in 1997. Another Highway 70 existed near Kenora between 1937 and 1959 before being renumbered as Highway 71. This designation was applied along the newly opened Heenan Highway, shortly after the Department of Highways (DHO) began numbering routes in northern Ontario. However, a series of renumberings in 1960 led to the entire length becoming part of Highway 71.

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