Category:Proposed tunnels in Europe

• Proposed undersea tunnels in Europe‎ (13 P)
• Proposed railway tunnels in Europe‎ (9 P)
• Proposed road tunnels in Europe‎ (14 P)

D

• Proposed tunnels in Denmark‎ (3 P)

N

• Proposed tunnels in Norway‎ (9 P)

R

• Proposed tunnels in Russia‎ (3 P)

S

• Proposed tunnels in Sweden‎ (3 P)
• Proposed tunnels in Switzerland‎ (2 P)

U

• Proposed tunnels in the United Kingdom‎ (3 P)