安大略427號省道
參考資料

1 2 3 4  Ministry of Transportation of Ontario. . Government of Ontario. 2008  [December 27, 2011]. （原始内容存档于2011-07-06）.
1 2 3  . The Globe and Mail 128 (38,061) (Toronto). December 4, 1971: 5.
↑  .   [2013-10-10]. （原始内容存档于2012-05-16）.
1 2 3 4  Google Inc.  (地图). Google Inc. November 7, 2011  [November 7, 2011].
1 2 3 4  MapArt.  (地图). Peter Heiler Ltd.: 101, 107, 113, 118, 353. § A2–T5, X–Z3. 2011. ISBN 978-1-55198-877-1.
↑  . Greater Toronto Airport Authority. 2001  [November 7, 2011]. （原始内容存档于2019-03-16）.  |chapter=被忽略 (帮助)
↑  Sewell p. 70
↑  . The Ottawa Citizen 116 (281) (Southam Newspapers). May 29, 1959: 23  [March 25, 2010].
↑  Sewell p. 63
↑  Clarke, W.A. .  (报告). Department of Highways: 12. March 31, 1954.
↑  . The Globe and Mail 122 (36,005) (Toronto). May 4, 1965: 5.
↑  . Ministry of Transportation and Communications. 1972: 8.
1 2  Shragge p. 94
↑  Ministry of Transportation and Communications pp. 8–9 "Hwy. 10 to Hwy 27. (Toronto) 6.60 November 3, 1958"
↑   (地图). Cartography by C.P. Robins. Ontario Department of Highways. § E30–F33. 1956.
↑  Lostracco, Marc. . Torontoist (Ink Truck Media). October 12, 2006  [January 9, 2012]. （原始内容存档于2021-08-02）.
↑   (报告). Department of Highways: 108. March 31, 1964.
↑  .  (报告). Department of Highways: 302. March 31, 1965.
↑  .  (报告). Department of Highways: 315. March 31, 1967.
1 2 3  Planning Branch.  (报告). Ontario Department of Highways. May 1967.
1 2  . The Toronto Star. July 22, 1969: 43.
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↑  . The Toronto Star. November 13, 1969: 1.
↑  . The Toronto Star. November 24, 1971: 1.
↑   (地图). Cartography by Photogrammetry Office. Ministry of Transportation and Communications. Metropolitan Toronto inset. 1973.
↑   (报告). Ministry of Transportation and Communications: XIV. 1976–77.
↑   (报告). Ministry of Transportation and Communications: XIX. 1980–81.
↑   (地图). Cartography by Cartography Section. Ministry of Transportation and Communications. Metropolitan Toronto inset. 1980/81.  请检查|date=中的日期值 (帮助)
↑   (报告). Ministry of Transportation and Communications: XIII. 1983–84.
↑   (报告). Ministry of Transportation and Communications: XIII. 1984–85. ISSN 0714-1149.
↑   (报告). Ministry of Transportation: 13. 1989–90. ISSN 0714-1149.
↑   (报告). Ministry of Transportation: 13. 1991–92. ISSN 0714-1149.
↑   (地图). Cartography by Cartographic Mapping Unit. Ministry of Transportation. Metropolitan Toronto inset. 1994/95.  请检查|date=中的日期值 (帮助)
↑  Rea, Bill. . King Township Sentinel (King City, Ontario). April 23, 2008  [January 9, 2012]. （原始内容存档于2015-06-11）.
↑   (PDF) (报告). Ministry of Transportation of Ontario. January 29, 2010  [January 9, 2012]. [永久]
↑  Searle, Patrick; Nichols, Bob.  (新闻稿). Ministry of Transportation of Ontario. March 3, 2016  [March 8, 2016]. （原始内容存档于2019-05-20）.
↑  Lancaster, John. . CBC News. April 29, 2021  [April 29, 2021]. （原始内容存档于2021-06-23）.
↑  Artuso, Antonella. . Toronto Sun. September 16, 2021  [September 16, 2021]. （原始内容存档于2021-10-23）.
↑  . Ministry of Transportation of Ontario. September 16, 2021  [September 18, 2021]. （原始内容存档于2022-03-17）.
↑  Martin-Robbins, Adam. . Vaughan Citizen. June 9, 2017  [December 20, 2017]. （原始内容存档于2022-06-01）.
↑  . Highway 427 Expansion. Link427.   [August 4, 2020]. （原始内容存档于2020-08-04）.
↑  Searle, Patrick; Woozageer, Ajay.  (新闻稿). Ministry of Transportation of Ontario. August 26, 2014  [September 3, 2014]. （原始内容存档于2020-08-15）.
↑  WSP.  (PDF). GTA West Study (新闻稿). Aecom. August 7, 2020  [March 15, 2021]. （原始内容 (PDF)存档于2021-07-09） （加拿大英语）.
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Shragge, John; Bagnato, Sharon. . Ontario Ministry of Transportation and Communications, Historical Committee. 1984. ISBN 0-7743-9388-2.