Ontario Highway 74

King's Highway 74 marker
King's Highway 74
Elgin County Road 74
Middlesex County Road 74
Route information
Maintained by Ministry of Transportation of Ontario
Length22.4 km[1] (13.9 mi)
ExistedSeptember 1937[2]–March 31, 1997[3]
Major junctions
South end Highway 3 in New Sarum
Major intersections Highway 401 – London, Toronto
North endCommissioners Road /  County Road 29 (Hamilton Road) near London
Location
CountryCanada
ProvinceOntario
CountiesElgin County, Middlesex County
VillagesNew Sarum, Mapleton, Belmont, Derwent, Nilestown
Highway system
← Highway 72→ Highway 77
Former provincial highways
←  Highway 73 Highway 75  →

King's Highway 74, commonly referred to as Highway 74, was a provincially maintained highway in the Canadian province of Ontario that travelled north from Highway 3 at New Sarum to Middlesex County Road 29 (Hamilton Road) on the outskirts of London. The 22.4-kilometre-long (13.9 mi) was assumed by the province in September 1937. Aside from paving and the construction of an interchange with Highway 401, it remained generally unchanged for the next six decades until it was decommissioned in 1997 and transferred to Elgin County and Middlesex County. The road has since been redesignated as Elgin County Road 74 and Middlsex County Road 74.

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