The Brenner Base Tunnel - a new link through the Alps

BERN Zurich VADUZ Innsbruck Fortezza Bolzano Udine Klagenfurt VIENNA Maribor ZAGREB LJUBLJANA Merano Periadriatic fault zone Periadriatic fault zone Periadriatic fault zone GERMANY SWITZERLAND ITALY SLOVENIA CROATIA HUNGARY AUSTRIA CZECH REPUBLIC Trento Verona Milano Mules Torino Munich 24 Where the Southern and Eastern Alps divide One particular challenge for the construction of the Brenner Base Tunnel is the Periadriatic fault zone. At a total length of 700 kilometres, it is the longest geological fault zone in the Alps and is intersected by the tunnel axis at Mules for approximately 700 meters. The Periadriatic fault zone separates the Southern Alps from the Eastern and Western Alps. Periadriatic fault zone