Main Street Tunnel 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 Welland Canal. It is named as a part of East Main Street. The structure was built as a part of the Welland By-Pass project. Its construction was relatively easy since, like the Townline Tunnel, it was constructed at the same time as the channel above it and a simple cut and cover. The tunnel was officially opened on May 20, 1972. The tunnel links Highway 406 on the west side of
Kviven Tunnel Kviven Tunnel The Kviven Tunnel () is a long road tunnel through the mountain "Kviven", along the European route E39 highway. The road crosses the county border between Sogn og Fjordane and Møre og Romsdal counties. The eastern end of the tunnel is at Kalvatn, just east of the village of Fyrde in Volda Municipality (in Møre og Romsdal county). The western end is at the village of Grodås in Hornindal Municipality (in Sogn og Fjordane county). The tunnel was approved for construction in 2008 and it was completed in 2012. The tunnel was officially opened on 22 September 2012