Bolmen Water Tunnel was created in 1987.
Päijänne Water Tunnel was created in 1982.
Thames Water was created in 1973.
Milford Tunnel was created in 1839.
Am Tunnel was created in 1993.
Mount Victoria Tunnel was created in 1931.
Sideling Hill Tunnel was created in 1940.
Cascade Tunnel was created in 1900.
Liberty Tunnel was created in 1924.
Northbrae Tunnel was created in 1912.
Townline Tunnel was created in 1972.
Tar Tunnel was created in 1787.
Homer Tunnel was created in 1954.