In Etobicoke were initially designed in the 1960s to show the new Highway 427 route number. The original guide sign layouts for the QEW and Highway 427 Interchange Early surveys doneįor the north portion of Highway 427 prior to mid-1968 refer to the route as 'Highway 27 New'. North from Highway 401 to Highway 7 would have ultimately created two routes known as Highway 27 - which would have proved confusing for motorists. The change in route numbers was necessary, since a proposed extension of the freeway During the year, surveys and other Department of Highways'ĭocuments began to refer to the freeway section of Highway 27 as Highway 427.

The decision to change the route number from Highway 27 to Highway 427 apparently came about in 1968. Short controlled-access highway that had been completed between Highway 401 and Dixon Road in 1963. Following reconstruction, the route of Highway 427 connected to the Airport Expressway, which was a Reconstruction of the Highway 401 and Highway 427 Interchange. In the early 1970s, Highway 427 was linked to Toronto International Airport through an extensive The QEW and Highway 401 was re-designated as Highway 427. Of a route renumbering in 1972, when the existing freeway section of Highway 27 through Etobicoke between Primarily serves as a commuter route, connecting the Queen Elizabeth Way (QEW) and the Gardiner Expressway to Highway 401 and Highway 407.

King's Highway 427 is an urban freeway which forms an important north-south highway link through the City of Toronto.

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