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
Waterloo Tunnel Waterloo Tunnel The Waterloo Tunnel in Liverpool, England, is a former railway tunnel, long, which opened in 1849. Its western end was at 53.414829, -2.994385, underneath Pall Mall. From here the line continued under Great Howard Street to Waterloo Goods railway station, now the site of the Kingsway Tunnel Ventilation Shaft, after 1895 continuing beyond to the dock railway system and on to Liverpool Riverside at the Pier Head for direct connection to the passenger liners. The eastern end opens into a short () cutting, four tracks wide between Byrom Street and Fontenoy Street, which connects to the Victoria Tunnel,