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
Transport in France The railway system is a small portion of total travel, accounting for less than 10% of passenger travel. From 1981 onwards, a newly constructed set of high-speed "Lignes à Grande Vitesse" (LGV) lines linked France's most populous 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. The TGV has set many world speed records, the most recent on 3 April 2007, when a new version of the TGV dubbed the V150 with larger wheels than the usual TGV, and a stronger engine, broke the world