Hwy 58A Hwy 58A Hwy 58A   

Ontario Highway 58A Quick Facts:
  • Years in Existence: 1974-Present
  • Current Status: In Service
  • Current Name: King's Highway 58A
  • Location: Southern Ontario
  • Counties Served: Niagara
  • Towns Served: Welland
  • Western Terminus: Hwy 58 - Welland
  • Eastern Terminus: Hwy 140 - Welland
  • Length in 1997: 4.9 km / 3.0 miles
HWY 58A - © Cameron Bevers
King's Highway 58A Sign © Cameron Bevers

History of King's Highway 58A:

King's Highway 58A is a major collector highway connecting Welland to Highway 140. The highway essentially serves as a bypass around the south side of Welland. Highway 58A was first established in the mid-1970s, when the Townline Road Tunnel and its approaches were designated as a new provincial highway on August 21, 1974. The Townline Road Tunnel had been constructed a few years earlier during a Welland Canal diversion project. The route of Highway 58A has not changed since it was established in the 1970s.

Highway 58A is a two-lane limited-access highway from Welland to Highway 140. While there are no interchanges located along the highway, there are very few major at-grade intersections. Services are located in Welland, but they are not situated directly on the highway. The speed limit on Highway 58A is 80 km/h (50 mph), unless posted otherwise. Motorists wishing to access Westbound Highway 58A should note that the turnoff for this route actually joins Highway 140 from the east. This is because Highway 58A loops around and passes beneath Highway 140 on its way to the Townline Tunnel at the Welland Canal. The Townline Tunnel passes below the Welland Canal and is operated by the Ontario Ministry of Transportation. There are no tolls charged for using the Townline Road Tunnel. Please visit the Highway 58A Mileage Chart page for a list of mileage reference points along Highway 58A.





HWY 58A ROUTE MAP - © Cameron Bevers             HWY 58A MILEAGE TABLE - © Cameron Bevers             HWY 58A PHOTOGRAPHS - © Cameron Bevers


Additional Information About King's Highway 58A:

Learn More About King's Highway 58A  (My Upcoming Publications)

King's Highway 58A - Route Information  (At Scott Steeves' website: asphaltplanet.ca)

King's Highway 58A - A Virtual Tour  (At Scott Steeves' website: asphaltplanet.ca)


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