The Thorold Tunnel is an

underwater tunnel An underwater tunnel is a tunnel which is partly or wholly constructed under the sea or a river. They are often used where building a bridge or operating a ferry link is unviable, or to provide competition or relief for existing bridges or ferry li ...

Thorold Thorold is a city in Ontario, Canada, located on the Niagara Escarpment. It is also the seat of the Regional Municipality of Niagara. The Welland Canal passes through the city, featuring lock 7 and the Twin Flight Locks. History The first ...

Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central C ...

, Canada carrying Highway 58 underneath the

Welland Canal The Welland Canal is a ship canal in Ontario, Canada, connecting Lake Ontario and Lake Erie. It forms a key section of the St. Lawrence Seaway and Great Lakes Waterway. Traversing the Niagara Peninsula from Port Weller, Ontario, Port Weller i ...

. 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. It is one of three tunnels under the Welland Canal (the other two being the Main Street and

Townline Tunnel The Townline Tunnel is an underwater tunnel in Welland, Ontario, Canada carrying Highway 58A as well as the Canadian Pacific Railway under the Welland Canal. The tunnel The Townline Tunnel is a two-cell reinforced concrete tunnel with a rec ...

s in

Welland Welland is a city in the Regional Municipality of Niagara in Southern Ontario, Canada. As of 2021, it had a population of 55,750. The city is in the centre of Niagara and located within a half-hour driving distance to Niagara Falls, Niagara-o ...

), and the only tunnel to be constructed after the waterway opened. The tunnel has been used as a filming location due to its relatively low traffic levels, including for the television series ''

American Gothic ''American Gothic'' is a 1930 painting by Grant Wood in the collection of the Art Institute of Chicago. Wood was inspired to paint what is now known as the ''American Gothic'' House in Eldon, Iowa, along with "the kind of people efancied shoul ...

'' and the movie ''

Highwaymen A highwayman was a robber who stole from travellers. This type of thief usually travelled and robbed by horse as compared to a footpad who travelled and robbed on foot; mounted highwaymen were widely considered to be socially superior to foot ...

''. Due to repair work on the tunnel's ceiling tiles, the Ontario Ministry of Transportation began daily closures of the westbound tube in April 2018 outside of morning rush hour. The repairs are an interim measure and a

tender Tender may refer to: Entertainment Film * ''Illegal Tender'' (2007), a film directed by Franc. Reyes * ''Tender'' (2012), a short film by Liz Tomkins * ''Tender'' (2019), a short film by Darryl Jones and Anthony Lucido * ''Tender'' (2019), a sh ...

for full rehabilitation of the tunnel was issued by the Ministry on April 4, 2018.

References

{{coord, 43.11580, N, 79.19409, W, display=title Road tunnels in Ontario Thorold Tunnels completed in 1967 Welland Canal