Category:Proposed tunnels by continent

This is a container category. Due to its scope, it should contain only subcategories.

Subcategories

This category has the following 8 subcategories, out of 8 total.

Proposed railway tunnels by continent (5 C)
Proposed road tunnels by continent (3 C)
Proposed undersea tunnels by continent (6 C)

A

Proposed tunnels in Africa (2 C)
Proposed tunnels in Asia (5 C, 1 P)

E

Proposed tunnels in Europe (9 C)

N

Proposed tunnels in North America (5 C)

O

Proposed tunnels in Oceania (4 C)

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