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
2008 Channel Tunnel fire tunnel at Folkestone at 00:08 BST and a limited service provided with trains travelling in turn in alternating directions in the one tunnel. By the end of September, two thirds of the north tunnel had reopened. Full service resumed in February 2009 after repairs costing €60 million. This fire was the third to close the tunnel since it opened in 1994, the first being the 1996 Channel Tunnel fire and, in August 2006, the tunnel was closed for several hours after fire broke out on a truck loaded onto a HGV Shuttle. The fire was reported on 11 September 2008,