Townline Tunnel
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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 seen from the west
Length of tunnel approaches
Main Street Tunnel
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The Main Street Tunnel, located in Welland, Ontario, Canada, is an underwater tunnel, carrying Niagara Road 27 and the unsigned designation of Highway 7146 under the Welland Canal. It is named as a pa
Townline Tunnel
…is a post-tensioned concrete slab. The tunnel was built as a part of the Welland By-Pass project. Its construction was relatively easy since, like the Main Street Tunnel, it was being built at the same time as the channel above it and a simple cut and cover method could be used. The tunnel provides a sidewalk for…
Western approach to the Main Street Tunnel