The 400-series designations were introduced in 1952, although Ontario had been constructing divided highways for two decades prior. Initially, only Highways 400, 401 and 402 were …

King's Highway 400, commonly referred to as Highway 400, historically as the Toronto–Barrie Highway, and colloquially as the 400, is a 400-series highway in the Canadian province of …

Modern 400-Series Highways have very high design standards, speed limits of 100 km/h (62.5 mph), and various collision avoidance systems. 400-Series highway design has set the …

Highway 400 thus became the first of Ontario's superhighways to receive the prestigious "400-Series" designation. At the time, the 400-Series designation signified to motorists that the …

This category lists all pages about or related to the 400-series highways in Ontario.

There are 15 different 400-series highways (including the QEW) creating a transportation backbone across the southern portion of the province. Plans are currently underway to extend …

Aug 7, 2020 · TORONTO, Ont. – Ontario has confirmed the preferred route for a new 400-series highway that will cut through York, Peel and Halton regions, serving an area that accounts for …

Nov 4, 2023 · The 400 series of highways constitute a network of controlled-access roadways across Ontario, and given our proximity to this network, York County and now York Region …

Mileage Tables for the 400-Series Highways Hwys 2 to 30 Charts / Hwys 61 to 148 Charts / Back to Mileage Chart Menu Please select a highway number below to view a mileage table for that …

Highway 427 came into existence by designating the already-freeway portions of Highway 27 and the Airport Expressway as a 400-series highway. It serves the heavy-travelled area between …