The brenner base tunnel

Basic information Brenner Base Tunnel Length of the Brenner Base Tunnel (including the Innsbruck by-pass) Tulfes Portal - Fortezza Portal 64 km Length of the Brenner Base Tunnel Innsbruck Portal - Fortezza Portal 55 km Maximum overburden ca. 1,720 m Inner diameter of the main tunnels 8,1 m Longitudinal slope 4 – 7‰ Design speed for freight transport 160 km/h Design speed for passenger trains 250 km/h Emergency stops (Innsbruck, St. Jodok, Trens) 3 Spoil 21.5 Mio. m 3 Excavation methods Blasting Tunnel boring machine (TBM) Railway traction power supply 15kV 16,7Hz and 25kV 50Hz Train control system ETCS Level 2 ITALY AUSTRIA EMERGENCY STOP TRENS EMERGENCY STOP INNSBRUCK AMPASS INNSBRUCK PORTAL AHRENTAL AICA FORTEZZA PORTAL MULES EMERGENCY STOP ST. JODOK WOLF PADASTER VALLEY BYPASS INNSBRUCK TULFES PORTAL MAIN STATION INNSBRUCK STATION FORTEZZA SILL GORGE LEGEND Exploratory tunnel Access tunnels Bypass Innsbruck Rescue tunnels Connecting tunnels Main tunnels THE TUNNEL SYSTEM 13