Ontario Highway 58A

Last updated

Ontario 58A.svg

Highway 58A

Niagara Regional Road 525
Ontario Highway 58A
Highway 58A highlighted in red
Route information
Maintained by the Ministry of Transportation of Ontario
Length5.1 km [1]  (3.2 mi)
Existed1978–present
Major junctions
West endOntario 58 crown.svg  Highway 58
East endOntario 140 crown.svg  Highway 140
Location
Country Canada
Province Ontario
Highway system
Ontario 58.svg Highway 58 Ontario 60.svg Highway 60
Former provincial highways
Highway 59 Ontario 59.svg 

King's Highway 58A, commonly referred to as Highway 58A, is a provincially maintained highway in the Canadian province of Ontario. The short route serves to connect Highway 58 with Highway 140 and passes beneath the Welland Canal through the Townline Tunnel. The entire route is located within the city of Welland in the Regional Municipality of Niagara.

Contents

The route was established by 1978, following completion of the Welland By-Pass project, and has remained unchanged since then.

Route description

Eastern end of Highway 58A Eastern end of 58A.png
Eastern end of Highway 58A

Highway 58A passes through the Townline Tunnel, one of the three tunnels under the Welland Canal. The majority of the route follows Townline Road, although a short section at the eastern end travels along Reaker Road and Netherby Road. Beginning at the northern terminus of the southern section of Highway 58, the highway travels east, parallel with two railway lines. The road intersects Canal Bank Road (north) / The Kingsway (south) after crossing an earth plug on the old Welland Canal, now the Welland Recreational Waterway. It then curves slightly southwards and begins descending towards the Townline Tunnel. It encounters Humberstone Road and then passes beneath a railway prior to entering the tunnel. At the eastern end of the tunnel, the route encounters Rusholme Road before passing beneath Highway 140. It turns north onto Reaker Road and then west onto Netherby Road to end at an at-grade intersection with Highway 140. [2] [3]

History

Highway 58A was established during the 1970s following completion of the Welland By-Pass project of the Welland Canal and Highway 140. Initially envisioned as the southern terminus for Highway 406, the planned route first appeared on the Official Ontario Road Map in 1971, though it had been proposed since the release of Niagara Peninsula Planning Study in 1964. [4] [5]

Planning for the Townline Tunnel began immediately following the announcement of the planned Welland Bypass by the St. Lawrence Seaway Authority in 1965. [5] It was opened to automobile traffic on July 13, 1972. Despite this, the Highway 58 designation did not appear on an official road map until 1978. [6] The route has remained unchanged since then. [2]

Future

Route planning documents show two proposals that may utilize the Highway 58A corridor: a southern extension of Highway 406 and the eastern portion of the Mid-Peninsula Highway, referred to as the Niagara South Highway in planning documents. Neither proposal has garnered approval or undergone environmental assessment at this time.

Major intersections

The following table lists the major junctions along Highway 58A, as noted by the Ministry of Transportation of Ontario. [1] The entire route is located in Welland, within the Regional Municipality of Niagara. [2]  

km [1] miDestinationsNotes
0.00.0RR 33 jct blue.svg  Regional Road 33 west (Humberstone Road)
Ontario 58 crown.svg  Highway 58 south (West Side Road) – Port Colborne
RR 54 jct blue.svg  Regional Road 54 north (Prince Charles Drive)
Highway 58A western terminus
0.80.50Canal Bank StreetFormerly Regional Road 68
2.6–
2.9
1.6–
1.8
4.72.9RR 525 jct blue.svg  Regional Road 525 east (Townline Tunnel Road)
5.13.2Ontario 140 crown.svg  Highway 140Port Colborne, St. Catharines Highway 58A eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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References

  1. 1 2 3 Ministry of Transportation of Ontario (2010). "Annual Average Daily Traffic (AADT) counts". Archived from the original on July 6, 2011. Retrieved January 15, 2014.
  2. 1 2 3 Ontario Back Road Atlas (Map). Cartography by MapArt. Peter Heiler. 2010. p. 19. § T33–34. ISBN   978-1-55198-226-7.
  3. Google. "Highway 58A route" (Map). Google Maps . Google.No URL entered.
  4. Planning Branch (1964). Niagara Peninsula Planning Study (Report). Department of Highways. pp. 17–20.
  5. 1 2 Regional Municipality of Niagara Planning Studies Report Number 6 (Report). Reed, Voorhees & Associates Limited. December 1971. pp. 5–1, 5–2, fig. 24.
  6. Ontario Road Map (Map). Cartography by Cartography Section. Ministry of Transportation and Communications. 1978–79. South-Central Ontario inset.