Category:Tunnels by continent Subcategories This category has the following 10 subcategories, out of 10 total. Undersea tunnels by continent (7 C) Railway tunnels by continent (7 C) Road tunnels by continent (8 C)* Proposed tunnels by continent (8 C)A Tunnels in Africa (5 C) Tunnels in Asia (8 C)E Tunnels in Europe (10 C, 2 P)N Tunnels in North America (7 C)O Tunnels in Oceania (7 C)S Tunnels in South America (4 C)
