Main Street Tunnel Main Street Tunnel 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 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 was officially opened on May 20, 1972. The tunnel links Highway 406 on the west side of
Channel Tunnel against another German attack. The French did not take the idea seriously, and nothing came of Lloyd George's proposal. In the 1920s Winston Churchill was an advocate for the Channel Tunnel, using that exact nomenclature in an essay entitled "Should Strategists Veto The Tunnel?" The essay was published on 27 July 1924 in the "Weekly Dispatch", and argued vehemently against those that believed the tunnel could be used by a Continental enemy in an invasion of Britain. Churchill extolled his enthusiasm for the project again in an article for the "Daily Mail" on 12 February 1936, "Why Not A Channel