Highways in Ontario
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Transportation of Ontario. August 6, 2002. Highway 401 is one of the busiest highways in the world and represents a vital link in Ontario's transportation
安大略7號省道
Numbering of the various provincial highways in Ontario has been commenced by the Department of Public Highways. Resident engineers are now receiving
(Toronto) 6.60 November 3, 1958" Ontario Road Map (地图). Cartography by C.P. Robins. Ontario Department of Highways. § E30–F33. 1956. Lostracco, Marc
安大略404號省道（英語：Ontario Highway 404），正式名稱為國王404號公路（King's Highway 404），是加拿大安大略省一條南北向400系列高速公路，南端在該省省會多倫多與401號公路和當河谷園林公路（DVP）交匯，北至約克區東貴林伯里，中途在萬錦與407號公路交匯。
Department of Highways: 315. March 31, 1967. Ontario Road Map (地图). Cartography by Photogrammetry Division. Ontario Department of Highways. Ottawa inset