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
History of rail transport in France of the private railway operating companies began to face financial difficulties. In 1938 the socialist government fully nationalised the railway system and formed the "Société Nationale des Chemins de fer Francais" (SNCF). Regional authorities have begun to specify schedules since the mid of the 1970s with general conventions between the regions and the SNCF since the mid-1980s. From 1981 onwards, a newly constructed set of high-speed TGV ("Train à Grande Vitesse") lines linked France's most populated areas with the capital, starting with Paris-Lyon. In 1994, the Channel Tunnel opened, connecting France and Great Britain by rail under the English Channel.