Yamate Tunnel was created in 2007.
Kobe Yamate University was created in 1999.
山手 deals with 山 which means mountain so it would be right to assume that the name deals with mountains. According to this dictionary, it means "hilly", etc. Yamate-Ryu is Mountain Hand. Yamate = mountain
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.