The Thorold Tunnel is an underwater tunnel 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.
5-597: 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. 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 . Due to repair work on the tunnel's ceiling tiles,
10-578: Is also a sidewalk for pedestrian use in the westbound section. The Main Street Tunnel, like the nearby Townline Tunnel to the south, was constructed in the early 1970s as part of the Welland Bypass of the Welland Canal. It was built using a cut and cover technique, whereby the tunnel was excavated, the concrete poured, and the structure buried, on top of which the canal channel was built. This avoided costly boring beneath an active waterway;
15-655: Is an underwater tunnel, carrying Niagara Road 27 and the unsigned designation of Highway 7146 under the Welland Canal . It is named as a part of East Main Street. The structure was built as a part of the Welland By-Pass project. Its construction was relatively easy since, like the Townline Tunnel , it was constructed at the same time as the channel above it and a simple cut and cover . The tunnel
20-922: 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 for full rehabilitation of the tunnel was issued by the Ministry on April 4, 2018. In April, 2024 construction began on the Thorold Tunnel, resulting in nighttime closures and daytime lane restrictions. 43°06′57″N 79°11′39″W / 43.11580°N 79.19409°W / 43.11580; -79.19409 Main Street Tunnel The Main Street Tunnel , located in Welland , Ontario , Canada,
25-428: Was officially opened on May 20, 1972. The tunnel links Highway 406 on the west side of the canal, which travels north to St. Catharines to Highway 140 on the east side, which travels south to Port Colborne . Niagara Regional Road 27 also provides a connection from Welland eastward to Niagara Falls . The tunnel provides four lanes for traffic, two in each direction, separated by a full-height concrete wall. There
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