Thorold Tunnel

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Thorold Tunnel
Thorold Tunnel under Welland Canal in Thorold, Ontario.jpg
Tunnel seen from the east
Route  Highway 58
Crosses Welland Canal
Constructed 1965-67
Opened 1967 (1967)
Operator Ministry of Transportation
Traffic Vehicle and pedestrian
Vehicles per day 24,300 (2014)
Length 840 metres (2,760 ft)
No. of lanes 4
Operating speed 80 kilometres per hour (50 mph)
Tunnel clearance 4.5 metres (15 ft)

The Thorold Tunnel is an underwater tunnel located in Thorold, Ontario, Canada carrying Highway 58 underneath the Welland Canal. Built between 1965 and 1967, the tunnel is 840 metres in length and consists of two separate tubes each containing two lanes of traffic. The westbound tube has a sidewalk for pedestrians.[1]

It is one of three tunnels under the Welland Canal (the other two being the Main Street and Townline Tunnels in Welland), and the only tunnel to be constructed after the waterway opened.[1]

The tunnel has been used as a filming location due to its relatively low traffic levels, including for the television series American Gothic and the movie Highwaymen.[2]


  1. ^ a b "The Thorold Tunnel". Traveller's Information. Ministry of Transportation of Ontario. Archived from the original on July 25, 2014. Retrieved August 8, 2016. 
  2. ^ Walter, Karena (March 10, 2016). "Thorold Tunnel captures TV spotlight". St. Catharines Standard. Retrieved August 8, 2016. 

Coordinates: 43°06′57″N 79°11′39″W / 43.11580°N 79.19409°W / 43.11580; -79.19409