Ontario Highway 73
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| Route information | ||||||||||
| Maintained by the Ministry of Transportation of Ontario | ||||||||||
| Length: | 38.9 km[1] (24.2 mi) | |||||||||
| Existed: | August 25, 1937[2] – January 1, 1998[3] | |||||||||
| Major junctions | ||||||||||
| South end: | Colin Street, Port Bruce | |||||||||
 Highway 3 – Aylmer Highway 401 | ||||||||||
| North end: | County Road 29 (Hamilton Road) – Dorchester, Ingersoll | |||||||||
| Highway system | ||||||||||
<td width="100%" align=center" colspan="3" style="padding:0;vertical-align:middle;text-align:center">Current highways
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King's Highway 73, commonly referred to as Highway 73, was a provincially maintained highway in the Canadian province of Ontario. The route began in Port Bruce and progressed north through Aylmer, encountering Highway 401 immediately before terminating east of Dorchester. The route was established in mid-1937, remaining unchanged for nearly six decades before being transferred to Elgin County and Middlesex County in 1997 and 1998. Today the route is known as Elgin County Road 73 and Middlesex County Road 73.
Route description
Highway 73 began near the Lake Erie shoreline in Port Bruce, at Colin Street. From there it crossed Catfish Creek and veered east to Copenhagen, where it turned northward. The route progressed north through Elgin County, serving the communities of Candyville and Dunboyne en route to the town of Aylmer, where it intersected Highway 3. From there it continued north through Little Aylmer and Lyons before crossing into Middlesex County.[4]
Within Middlesex County, the highway served the communities of Harrietsville and Mossley, crossing a Canadian Pacific rail line immediately south of the latter. It encountered an interchange with Highway 401 (Exit 203) southwest of Dorchester, ending soon thereafter at an intersection with Middlesex County Road 29.[4]
History
The Port Bruce to Dorchester Road was assumed by the Department of Highways on August 25, 1937.[2] Initially only the portion of the route within Aylmer was paved.[5] However, by 1942 the highway had been paved north to the Springfield cutoff (now Ron McNeil Line).[6] Between 1949 and 1952, the section south of Aylmer to Port Bruce was paved.[7][8] The remainder was paved by 1953.[9]
The routing of the highway remained unchanged for nearly sixty years. However, it was decommissioned entirely during the 1997 and 1998 highway transfers. On April 1, 1997, the highway south of Aylmer was transferred to the jurisdiction of Elgin County, and the highway north of the Highway 401 interchange was transferred to Middlesex County.[10] Eight months later, on January 1, 1998, the remainder of the highway was transferred to the two counties.[3]
Major intersections
The following table lists the major junctions along Highway 73, as noted by the Ministry of Transportation of Ontario.[1]
| Division | Location | km[1] | Mile | Destinations | Notes |
|---|---|---|---|---|---|
| Elgin | Port Bruce | 0.0 | 0.0 | Colin Street | |
| Aylmer | 15.6 | 9.7 | Highway 3 – St. Thomas, Tillsonburg | ||
| Middlesex | Thames Centre | 37.5 | 23.3 | Highway 401 – London, Ingersoll | Exit 203; Dorchester Swamp |
| Dorchester | 38.9 | 24.2 | County Road 29 | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
References
- ↑ 1.0 1.1 1.2 Provincial Highways Distance Table. Ministry of Transportation of Ontario. 1989. p. 75. ISSN 0825-5350.
- ↑ 2.0 2.1 Annual Report (Report). Department of Highways. March 31, 1938. p. 80.
- ↑ 3.0 3.1 Highway Transfers List - “Who Does What” (Report). Ministry of Transportation of Ontario. June 20, 2001. pp. 5, 9.
- ↑ 4.0 4.1 Peter Heiler (2010). Ontario Back Road Atlas (Map). Cartography by MapArt. p. 9, section T–X19. ISBN 978-1-55198-226-7.
- ↑ Ontario Department of Highways (1938–39). Ontario Road Map (Map). Cartography by C.P. Robins. Section H–J10.
- ↑ Ontario Department of Highways (1942). Ontario Road Map (Map). Cartography by C.P. Robins. Section H–J10.
- ↑ Ontario Department of Highways (1949). Ontario Road Map (Map). Cartography by C.P. Robins. Section U30–31.
- ↑ Ontario Department of Highways (1952). Ontario Road Map (Map). Cartography by C.P. Robins. Section U30–31.
- ↑ Ontario Department of Highways (1953). Ontario Road Map (Map). Cartography by C.P. Robins. Section U30–31.
- ↑ Highway Transfers List (Report). Ministry of Transportation of Ontario. April 1, 1997. pp. 4, 6.
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