Ontario Highway 141

King's Highway 141, commonly referred to as Highway 141, is a provincially maintained highway in the Canadian province of Ontario. Its western terminus is at Highway 400 south of Horseshoe Lake in Seguin Township while its eastern terminus is at Highway 11 near Port Sydney. The route was designated in 1974 when Highway 532 was renumbered and upgraded from a secondary highway to a King's Highway. The route has remained generally unchanged since, though it was extended by several kilometres on October 7, 2003 when Highway 400 was extended north of Mactier.

Highway 141 marker

Highway 141

Route information
Maintained by the Ministry of Transportation of Ontario
Length54.3 km[1] (33.7 mi)
Existed1974–present
Major junctions
West end Highway 400 near Parry Sound
East end Highway 11 near Port Sydney
Location
CountryCanada
ProvinceOntario
Highway system
← Highway 140→ Highway 144

Route description
Highway 141 in Rosseau

Highway 141 is 54.3 km long. It travels through Muskoka District and Parry Sound District, travelling through the communities of Humphrey, Rosseau, Bent River (off-route but nearby), Ullswater, Raymond and Utterson. The road passes several bodies of water including Lake Rosseau, Skeleton Lake, Longs Lake and others. Other lakes are accessible via Highway 141 including Three Mile Lake, Lake Joseph, Horse Lake and others.[2]

Highway 141 is the first major highway connection between Highway 400 and Highway 11 north of Barrie and the Muskoka Lakes Region. The highway terminates at Exit 207 on both of these highways, and is the only highway in Ontario to begin and end at the same exit number. On Highway 400, the Highway 141 junction is located near the Parry Sound Area Municipal Airport. Rosseau is the largest community located directly on the route.[1][2]

History

While Highway 141 was not designated until the mid-1970s, the route it follows was assumed in early 1956 by the Department of Highways. At that time, the route existed as Highway 532 and Highway 516. These two routes met southeast of Raymond, at what is now the junction with Muskoka District Road 35.[3][4] On January 1, 1973, the route of Highway 532 was modified so that it continued east along the former Highway 516 instead of curving south through Bracebridge.[5] This routing was short-lived; in 1974 the Ministry of Transportation and Communications redesignated the entirety of Highway 532 as Highway 141.[6]

On October 7, 2003, with the extension of Highway 400 between Mactier and Horseshoe Lake, the western terminus of Highway 141 was shifted from Highway 69 at Hayes Corners southwest to Highway 400, adding three kilometres of shared routing with Highway 69 and the access road to the Parry Sound Airport.[7] In the summer of 2012, Highway 69 was decommissioned in the area; the old route is now known as Rankin Lake Road north of the shared segment and Lake Joseph Road south of it.[8]

Major intersections

The following table lists the major junctions along Highway 141, as noted by the Ministry of Transportation of Ontario.[1] 

DivisionLocationkm[1]miDestinationsNotes
Parry SoundSeguin Township0.00.0 Highway 400 – Toronto, SudburyTrans-Canada Highway; Exit 207 on Highway 400
0.90.56Lake Joseph Road
4.42.7Rankin Lake Road
Rosseau21.713.5 Highway 632 (Pine Street)
MuskokaUllswater36.522.7 District Road 24 (Dee Bank Road) – Dee Bank
Muskoka Lakes46.629.0 District Road 35Parry Sound Colonization Road
Huntsville53.032.9Old Muskoka Road
54.333.7 Highway 11 – Barrie, North BayExit 207 on Highway 11
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References
  1. Ministry of Transportation of Ontario (2016). "Annual Average Daily Traffic (AADT) counts". Retrieved January 1, 2021.
  2. Ontario Back Road Atlas (Map). Cartography by MapArt. Peter Heiler. 2010. p. 58. § R28–S32. ISBN 978-1-55198-226-7.
  3. Ontario Road Map (Map). Cartography by C.P. Robins. Ontario Department of Highways. 1956. § O31.
  4. "Ontario Secondary Roads Now Designated 500, 600". Vol. 112, no. 33, 119. The Globe and Mail. February 4, 1956. p. 4. Two new Ontario road numbers appear on the province's 1956 official road map which will be ready for distribution next week. The new numbers are the 500 and 600 series and designate hundreds of miles of secondary roads which are wholly maintained by the Highways Department. More than 100 secondary roads will have their own numbers and signs this year. All of these secondary roads were taken into the province's main highways system because they form important connecting links with the King's Highways
  5. Ontario Road Map (Map). Cartography by Photogrammetry Office. Ministry of Transportation and Communications. 1973. § F22–G23.
  6. Ontario Road Map (Map). Cartography by Photogrammetry Department. Ministry of Transportation and Communications. 1978–79. § D23–24.
  7. Ministry of Transportation of Ontario (October 7, 2003). "Notice of Opening of a New Four-Lane Highway Section of Highway 400". Government of Ontario. Archived from the original on October 28, 2003. Retrieved May 15, 2011.
  8. Cooper, Cody Storm (June 27, 2012). "Highway 69 Name Change". Huntsville Forester. Metroland Media.
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