Ontario Highway 23

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Highway 23

Route information
Maintained by the Ministry of Transportation of Ontario
Length97.7 km[2] (60.7 mi)
ExistedJune 22, 1927[1]–present
Major junctions
South end Highway 7 near Elginfield
Major intersections Highway 8 in Mitchell
North end  Highway 9 / Highway 89 in Harriston
CountiesMiddlesex, Huron, Perth, Wellington
TownsMitchell, Monkton, Listowel, Palmerston, Harriston
Highway system
Highway 21 Highway 24
Former provincial highways
←  Highway 22

King's Highway 23, commonly referred to as Highway 23, is a provincially maintained highway in the Canadian province of Ontario. The route travels from Highway 7 east of Elginfield north to Highway 9 and Highway 89 in Harriston. The total length of Highway 23 is 97.7 kilometers (60.7 miles). The highway was first established in 1927 between Highway 8 in Mitchell and Highway 9 in Teviotdale, via Monkton, Listowel and Palmerston. As part of a depression relief program, it was extended south to Highway 7 in 1934. It remained relatively unchanged until 2003, when it was rerouted northward from Palmerston to Harriston.

Route description

Highway 23 begins at Highway 7, east of Elginfield, a community straddling the boundary between the municipalities of Middlesex Centre and Lucan Biddulph. The route travels north through the latter, surrounded on both sides by farmland. At Whalen Corners, the highway curves northeast as it exits Middlesex County, becoming the boundary road between Huron County to the west and Perth County to the east. The highway passes through the communities of Woodham and Kirkton, crossing completely into Perth County just north of the latter. It later enters Russeldale, meeting the eastern terminus of former Highway 83[3] (County Road 83) as it swerves north. Approximately 9 kilometers (5.6 mi) beyond there it enters the town of Mitchell, where it is known as Blanchard Street. The route intersects Highway 8 (Huron Street), and becomes concurrent with it briefly to cross the North Thames River before branching back northeast along St. George Street. Midway between Mitchell and the village of Monkton, the highway bisects the community of Bornholm within the municipality of West Perth. Prior to entering Monkton, Highway 23 curves gently towards the southeast; In the middle of the village, drivers must turn at an intersection with Perth County Road 55 to remain on Highway 23.[4][5]

Highway 8 and Highway 23 cross the North Thames River in Mitchell

Continuing its northeasterly course, the highway passes through more farmland, now within the town of North Perth, and serves the communities of Newry and Atwood before encountering former Highway 86[3] (County Road 86) on the western edge of Listowel. South of this intersection, the route is known locally as Mitchell Road South. It turns southeast onto Main Street West, where it once travelled concurrently with Highway 86 before turning northeast onto Wallace Avenue North. The final leg of the route passes through the village of Gowanstown. The route gently curves to the east before turning north at an intersection just west of Palmerston, where it crosses the boundary into Wellington County and the Town of Minto. Eight kilometres (5 miles) north of the intersection, Highway 23 encounters the western terminus of former Highway 87[3] (County Road 87), where it turns east then northeast. The route enters Harriston, where it is locally known as Arthur Street. The Highway 23 designation ends at a junction with Highway 9 and Wellington County Road 109 (formerly a segment of Highway 9),[3] locally known as Elora Street. The road continues beyond the junction as Highway 89.[4][5]


Highway 23 was first established on June 22, 1927, when the Department of Highways assumed the road from Mitchell to Teviotdale through Perth and Wellington counties, via Monkton, Listowel and Palmerston, connecting Highway 8 and Highway 9.[1] As part of depression relief work undertaken by the department during the early 1930s, Highway 23 was extended from Highway 8 to Highway 7 east of Elginfield on July 11, 1934.[6] Highway 23 remained unaltered between 1934 and 1998. On January 1, 1998, the section from the Highway 89 junction west of Palmerston to Highway 9 in Teviotdale was decommissioned, resulting in the northern terminus of Highway 23 becoming the western terminus of Highway 89.[7] During the spring of 2003, the segment of Highway 89 between this junction and Harriston was renumbered as Highway 23,[8] resulting in the current routing.[4]

Major intersections

The following table lists the major junctions along Highway 23, as noted by the Ministry of Transportation of Ontario.[2][5] 

MiddlesexLucan Biddulph0.00.0 Highway 7London, Stratford
PerthRusseldale26.442.5County Road 20Fullarton
Mitchell36.057.9Frank StreetBeginning of Mitchell Connecting Link agreement[2][9]
37.059.5 Highway 8 west – Clinton, GoderichBeginning of concurrency with Highway 8[2]
37.259.9 Highway 8 east – Stratford, KitchenerEnd of concurrency with Highway 8[2]
38.461.8Frances StreetEnd of Mitchell Connecting Link agreement[2][9]
Bornholm45.673.4County Road 44
Monkton54.387.4County Road 55 (Maddison Street East)
Newry63.4102.0County Road 72Brussels
Listowel73.6118.4County Road 86WinghamBeginning of Listowel Connecting Link agreement[2][9]
76.0122.3David StreetEnd of Listowel Connecting Link agreement[2][9]
Gowanstown80.1128.9County Road 88
Palmerston88.0141.6County Road 93 /  County Road 123
Minto96.1154.7 County Road 87 (Harriston Road)
Harriston97.7157.2 Highway 9 (Elora Street North) – Clifford
 County Road 109 (Elora Street South) – Teviotdale
Continues as Highway 89 
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b "Provincial Highways Assumed". Annual Report (Report). Department of Highways. March 31, 1928. p. 60. Retrieved February 3, 2021 – via Internet Archive.
  2. ^ a b c d e f g h Ministry of Transportation of Ontario (2010). "Annual Average Daily Traffic (AADT) counts". Archived from the original on July 6, 2011. Retrieved March 22, 2014.
  3. ^ a b c d Provincial Highways Distance Table. Ministry of Transportation of Ontario. 1989. pp. 48–49. ISSN 0825-5350.
  4. ^ a b c Ontario Back Road Atlas (Map). Cartography by MapArt. Peter Heiler. 2010. pp. 14, 20–21, 27. § H16–R20. ISBN 978-1-55198-226-7.
  5. ^ a b c Google (January 9, 2012). "Highway 23 - Length and route" (Map). Google Maps. Google. Retrieved January 9, 2012.
  6. ^ Annual Report (Report). Department of Highways. March 31, 1935. pp. 95–96, 119.
  7. ^ Highway Transfers List - "Who Does What" (Report). Ministry of Transportation of Ontario. June 20, 2001. pp. 11, 15.
  8. ^ Ministry of Transportation (February 11, 2002). "Ontario government improves provincial highway numbering". Newswire. Archived from the original on August 4, 2002. Retrieved January 10, 2012.
  9. ^ a b c d Contract Management and Operations Branch (2011). Highway Connecting Link List (Report). Ministry of Transportation of Ontario.

External links