The brenner base tunnel THE BRENNER BASE TUNNEL A new link through the Alps Far below the Brenner Pass, the longest underground railway connec- tion in the world is being built. The Brenner Base Tunnel will be an at- tractive alternative for freight transport and for passenger trains, it will open up a completely new way to travel. BRENNER BASISTUNNEL GALLERIA DI BASE DEL BRENNERO BRENNER BASE TUNNEL