Ontario Highway 417

highway in Ontario

Ontario Highway 417 is a provincial highway in Ontario, Canada. It starts on the eastern Ontario border with Quebec, near Hawkesbury, as an extension of Quebec Autoroute 40. It ends near Arnprior, where it becomes Ontario Highway 17. Construction on Highway 417 started in May 1969. The last section of the highway near Arnprior was finished in 2012.

Highway 417 marker Highway 417 marker

Highway 417

Queensway (within Ottawa)
Route information
Maintained by Ministry of Transportation of Ontario
Length187.0 km[1] (116.2 mi)
Major junctions
East end A-40 (TCH) towards Montreal, QC
Major intersections Highway 34 – Vankleek Hill
 Highway 138 – Casselman
 Highway 416 – Nepean
 Highway 7 – Stittsville
West end Highway 17 – Renfrew
Highway system
Highway 416Highway 420


  1. Ministry of Transportation of Ontario (2008). "Annual Average Daily Traffic (AADT) counts". Government of Ontario. Archived from the original on July 6, 2011. Retrieved December 21, 2010.
  2. Clark, Glenn (April 14, 2012). A Historical Timeline for the Township of Gloucester. The Gloucester Historical Society. Retrieved July 1, 2012.
KML is from Wikidata