Category
page 1International tunnels
Channel Tunnel
rail tunnel beneath the English Channel between France and Great Britain
Mont Blanc Tunnel
road tunnel connecting France and Italy
Simplon Tunnel
railway tunnel
Helsinki-to-Tallinn Tunnel
planned undersea rail connection between Finland and Estonia
Brenner Base Tunnel
railway tunnel
AlpTransit
thumb|upright=1.4|alt=Rail map of Switzerland and surrounding countries|The NRLA project is the centrepiece of the Central European rail network.
The New Railway Link through the Alps (NRLA; , , ), is a Swiss construction project for faster north–south rail links across the Swiss Alps. It consists of two axes with several improvements along these rails including three new base tunnels several hundred metres below the existing apex tunnels, the Gotthard Base Tunnel, the Lötschberg Base Tunnel, and the Ceneri Base Tunnel. Swiss Federal Railways subsidiary AlpTransit Gotthard AG and BLS AG subsid
Fréjus Road Tunnel
highway tunnel between France and Italy
Strait of Gibraltar crossing
railway tunnel
Japan–Korea Undersea Tunnel
a proposed tunnel connecting Japan and Korea
Karawanks Tunnel
international railway tunnel between Austria and Slovenia
Gaza Strip smuggling tunnels
tunnel in Palestine and Egypt
Detroit–Windsor Tunnel
vehicle tunnel between Canada and the United States