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
Am Tunnel was created in 1993.
Milford Tunnel was created in 1839.
Cascade Tunnel was created in 1900.
Hægebostad Tunnel was created in 1943.
Karisaka Tunnel was created in 1998.
Rya Tunnel was created in 2011.
Winston Tunnel was created in 1888.
Malinta Tunnel was created in 1932.
Shiziyang Tunnel was created in 2011.
Sumner Tunnel was created in 1934.