Ontario Highway 4

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Highway 4 shield

Highway 4
Location of Highway 4 in Southern Ontario
     Current route      Former route
Route information
Length100.8 km[2] (62.6 mi)
ExistedFebruary 26, 1920[1]–present
Major junctions
South end Highway 3St. Thomas
  Highway 401
 Highway 402
 Highway 7
North end Highway 8Clinton
Location
Major citiesSt. Thomas, London
TownsExeter, Clinton
Highway system
Highway 3Highway 5
Former provincial highways
←  Highway 3B Highway 4A  →

King's Highway 4, also known as Highway 4, is a provincially maintained highway in the Canadian province of Ontario. Originally much longer than its present 100.8 km (62.6 mi) length, more than half of Highway 4 was transferred to the responsibility of local governments in 1998. In 2018, Highway 4 was re-signed and re-routed through London. In its present form, it travels between Highway 3 in Talbotville Royal, north-west of St. Thomas, and Highway 8 in Clinton.

Highway 4 was first designated in 1920, when a 27 km (17 mi) route between Talbotville Royal and Elginfield was assumed by the Department of Highways. Over the next half century it was extended north and east to Highway 24 near Singhampton, and south to Port Stanley.

Route description[edit]

Former alignment of Highway 4 looking north towards Lambeth from the Highway 402 interchange in London.

Highway 4 starts at an intersection with Highway 3 in Talbotville Royal and continues north as a two-lane undivided highway. It then starts a short concurrency with Highway 401 at the community of Tempo. Before a 2017 re-route, the highway continued north from Tempo along Colonel Talbot Road. The concurrency ends at Wonderland Road, which the highway follows through London. At Sunningdale, the highway follows Sunningdale Road for a short distance before following Richmond Street.[3][4]

The road continues north, passing through Arva, Birr and large amounts of farmland before intersecting with the western terminus of Highway 7 at Elginfield. The highway then curves slightly west, passing through Lucan before continuing north. It then passes through the communities of Huron Park and Exeter. At Exeter, it crosses the former route of Highway 83. From there, it continues north, passing through the communities of Hensall, Ontario and Vanastra, Ontario before terminating at Highway 8 in the community of Clinton.[3][4]

History[edit]

The Highway 4 / Talbot Street junction in St. Thomas.

The King's Highway 4 was originally designated in 1920 when the provincial government assumed the road running from Talbotville Royal to Elginfield through London. In 1927, the highway was further extended with the assumption of the road from Elginfield to Clinton. In the 1930s, the highway was again extended as far north as the intersection of Highway 10 in Flesherton, and south to Edith Cavell Boulevard in Port Stanley. In the 1970s, Highway 4 reached its maximum length when it was extended from Flesherton to Singhampton. However, in 1998, the Mike Harris government, seeking to balance the provincial budget, off-loaded responsibility for the Clinton–Singhampton and Talbotville-Port Stanley sections of Highway 4—almost 65% of its total length—back onto municipal governments.[5]

In 2017, the City of London announced that Highway 4 through London would be re-signed and re-routed via Richmond Street, Sunningdale Road, and Wonderland Road, resulting in a short concurrency with Highway 401 between the Colonel Talbot Road and Wonderland Road interchanges.[6]

Major intersections[edit]

The following table lists the major junctions along Highway 4, as noted by the Ministry of Transportation of Ontario.[2] 

DivisionLocationkm[2]miDestinationsNotes
ElginTalbotville Royal0.00.0 Highway 3St. Thomas
 6.03.7 Highway 401Windsor, TorontoExit 177, ON-4 overlaps with Hwy 401 until Wonderland Rd S.[2]
MiddlesexLondon8.85.5Wonderland Road SouthON-4 exits and continues northbound along Wonderland Rd S.
15.99.9 Highway 402Sarnia
18.111.2Exeter RoadFormerly Highway 135
18.411.4Wharncliffe Road SFormer routing of Highway 4 (before Jan. 2018) and Highway 2 along Wharncliffe Rd
29.818.5Fanshawe Park Road WFormerly Highway 22 west
34.021.1Richmond St / Sunningdale RdFormer routing of Highway 4 via Richmond Street south
Arva31.619.6County Road 28 (Medway Road)
 37.223.1County Road 16 (Ilderton Road)
Elginfield45.428.2 Highway 7 east – St. Marys, Stratford
County Road 7 west (Elginfield Road)
Access to  Highway 23 via Highway 7 east
Clandeboye54.333.7County Road 28 (Denfield Road)
Mooresville58.136.1Mooresville Drive
HuronCentralia64.239.9County Road 21
Exeter72.445.0County Road 83 (Thames Road)Formerly Highway 83
Hensall80.349.9County Road 84 (King Street)Formerly Highway 84
Kippen84.352.4County Road 12 (Kippen Road)
Brucefield90.456.2County Road 3 (Mill Road)
Clinton100.862.6 Highway 8
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

  1. ^ Shragge 1984, p. 74.
  2. ^ a b c Ministry of Transportation of Ontario (2008). "Annual Average Daily Traffic (AADT) counts". Archived from the original on July 6, 2011. Retrieved February 13, 2012.
  3. ^ a b "2016 Average Annual Daily Traffic Counts" (PDF). Ontario Ministry of Transportation. 2016. pp. 9–10. Archived from the original (PDF) on 10 October 2017. Retrieved April 1, 2020.
  4. ^ a b "Highway 4 - Length and Route". Google Maps. Retrieved April 1, 2020.
  5. ^ "The King's Highway 4". The King's Highways of Ontario. Retrieved 9 August 2013.
  6. ^ "Highway 4 Re-Route". City of London. Archived from the original on 6 November 2017. Retrieved 6 November 2017.