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 cycle the 100-kilometre round-trip from Folkestone to Coquelles and back again. The journey took around five hours to complete, while wearing full overalls and needing to carry respirators. In November 1993, journalists Nick Dutton-Taylor and Damon Brown used the same Saracen bicycles as other construction workers to cycle into the tunnel for an article in "Mountain Biking UK". They were trained and accompanied by the cycling trainer Clive, but not allowed to go the full way through. On the night of 2/3 December 1994, a group of professional and semi-professional cyclists went road bicycle racing from London to Paris in