Main Street Tunnel 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; the structure cost C$11 million. This price was split 50–50 between Transport Canada and the St. Lawrence Seaway Authority. The tunnel opened with a parade featuring the Welland Police pipe band and various officials on the morning of May 20, 1972. 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
Cycling in the Channel Tunnel Cycling in the Channel Tunnel Pedal cycles in the Channel Tunnel are normally allowed to cross the Channel Tunnel fixed link between the United Kingdom and France only by using the Eurotunnel cycle service, on board a Le Shuttle train. That consists of a minibus and bicycle trailer for six bicycles. On a number of special occasions since 1993, crossings have been made directly using the bidirectional Channel Tunnel service tunnel, positioned between the two rail tunnel bores. The central service tunnel has airlocks at both ends and a concrete screed road surface. During construction, over 200 bicycles were used