Highways in Ontario

Numbering of the various provincial highways in Ontario has been commenced by the Department of Public Highways. Resident engineers are now receiving

Map (地图). Cartography by C.P. Robins. Ontario Department of Highways. Sarnia inset. 1949.  Sarnia Link to 401 in Project. The Windsor Daily Star. September

Ontario Department of Highways. 1971: 12.  Ministry of Transportation of Ontario. Annual Average Daily Traffic (AADT) counts. Government of Ontario.

Ontario Department of Highways. 1970: 11.  Ministry of Transportation of Ontario. Annual Average Daily Traffic (AADT) counts. Government of Ontario.

(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