Ontario Highway 58
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| Route information | ||||||||||
| Maintained by the Ministry of Transportation of Ontario | ||||||||||
| Length: | 33.6 km[1] (20.9 mi) | |||||||||
| Existed: | 1935 – present | |||||||||
| Southern segment | ||||||||||
| Length: | 7.2 km (4.5 mi) | |||||||||
| South end: |
 Highway 3 in Port Colborne | |||||||||
| North end: | Highway 58A in Welland | |||||||||
| Northern segment | ||||||||||
| Length: | 8.3 km (5.2 mi) | |||||||||
| South end: |
 Highway 20 near Allanburg | |||||||||
| North end: |
 Highway 406 in Thorold | |||||||||
| 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 58, commonly referred to as Highway 58, is a provincially maintained highway in the Canadian province of Ontario. Highway 58 currently runs from the Highway 406 junction on the St. Catharines – Thorold boundary to the Highway 406 junction near Turner's Corners, all within the Regional Municipality of Niagara. A second part runs from the Highway 58A junction in the south of Welland to the Niagara Regional Road 3, formerly Highway 3 junction in Port Colborne. Prior to 1998, Highway 58 was continuous as it travelled through west side of Welland before reaching the Highway 58A junction. However, the province transferred the central section to the city of Welland.
Route description
The segment between Highway 406 in Thorold and Niagara Road 57 east of Thorold is a four-lane freeway. It also contains the Thorold Tunnel, one of the three tunnels under the Welland Canal. Overall, the highway is 19.5 km (12.1 mi) in length.
The southern section of Highway 58 begins at a junction with the former Highway 3 in the city of Port Colborne, several kilometres north of Lake Erie. South of this intersection, the road continues as Niagara Regional Road 58 to Killaly Street.[2] Proceeding north, the highway, known locally as West Side Road, passes through the suburbs of Port Colborne, north of which it skirts the eastern edge of the Wainfleet Bog, one of the few remaining habitats of the Massasauga Rattlesnake.[3] West of Dain City, Highway 58 crosses the Port Colborne – Welland boundary at Forks Road, a grade-separated intersection. The route crosses several rail lines over the next 2 kilometres (1.2 mi), before ending at Highway 58A (Humberstone Road) at the southern edge of the built up area of Welland.[2]
The northern section of Highway 58 begins at an intersection with the western terminus of Highway 20, approximately 3.5 kilometres (2.2 mi) east of Highway 406. South of this intersection, the road that carries Highway 58 continues as Niagara Regional Road 82, whereas west of the intersection the road that carries Highway 20, Lundy's Lane, continues as Niagara Regional Road 58 through Allanburg. Highway 58 proceeds north, at first along an established concession road, before branching to the east on its own alignment known as Davis Road. The road crosses several flooded valleys that form part of the Welland Canal. before arriving at Thorold Stone Road, at which point Highway 58 turns west and enters the Thorold Tunnel, descending beneath the canal.[2]
At the western end of the tunnel, Highway 58 emerges as a divided highway in the Thorold – St. Catharines urban area. It interchanges with Pine Street; the eastbound on-ramp from Pine Street features a stop sign and no merging lane prior to entering the Thorold Tunnel. West of Pine Street, the route passes beneath a railway and curves slightly southwest. It interchanges with Collier Street, gradually curving to the northwest and passing beneath Richmond Street. Highway 58 ends at a complicated interchange with both St. Davids Road as well as Highway 406 on the edge of the Niagara Escarpment.[2]
History
Major intersections
The following table lists the major junctions along Highway 58, as noted by the Ministry of Transportation of Ontario.[1] The entire route is located in the Regional Municipality of Niagara.[2]
| Location | km[1] | Mile | Destinations | Notes | |
|---|---|---|---|---|---|
| Port Colborne | 0.0 | 0.0 |  Regional Road 3 – Fort Erie | Formerly Highway 3 | |
| Welland | 5.5 | 3.4 |  Regional Road 23 (Forks Road) – Dain City | ||
| 7.2 | 4.5 | Highway 58A east | Passes through Townline Tunnel en route to  Highway 140; end of southern section | ||
| Thorold | 25.3 | 15.7 | Highway 20 east – Niagara Falls Regional Road 82 (Allanport Road) | Beginning of northern section | |
| 28.6 | 17.8 |  Regional Road 53 (Beaverdams Road) | |||
| 29.6 | 18.4 |  Regional Road 57 east (Thorold Stone Road) – Niagara Falls | Unsigned designation Highway 7186 | ||
| 31.0 | 19.3 |  Regional Road 67 (Pine Street) | |||
| 32.1 | 19.9 |  Regional Road 56 (Collier Street) | |||
| 33.6 | 20.9 |  Regional Road 71 (St. Davids Road) Highway 406 – St. Catharines | No access from westbound St. Davids Road to southbound Highway 58 | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
References
- ↑ 1.0 1.1 1.2 Ministry of Transportation of Ontario (2008). "Annual Average Daily Traffic (AADT) counts". Retrieved February 15, 2012.
- ↑ 2.0 2.1 2.2 2.3 2.4 Peter Heiler (2010). Ontario Back Road Atlas (Map). Cartography by MapArt. p. 19, section R–S34, T–U33. ISBN 978-1-55198-226-7.
- ↑ Massasauga range in southern Ontario
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