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
1994 Tour de France and one of which was a team event. There were two stages that began or ended outside France. Stage 4 began in the English port town of Dover and ended in Brighton. The fifth stage began and ended in the British city of Portsmouth. This was only the second time the tour has visited England, and to mark the opening of the Channel Tunnel. Of the stages that contained mountains, four contained summit finishes: stage 11 to Hautacam, stage 12 to Luz Ardiden, stage 16 to Alpe d'Huez, and stage 17 to Val Thorens. The nineteenth stage, an individual time