PORTAL INNSBRUCK SILL GORGE AMPASS INNSBRUCK TRAIN STATION AHRENTAL WOLF PADASTERTAL MULES Main tunnels and connecting tunnels Exploratory tunnel Rescue tunnels and emergency stops Cross over St. Jodok Access tunnel Existing Innsbruck railway bypass PORTAL TULFES EMERGENCY STOP INNSBRUCK INNSBRUCK RAILWAY PASS EMERGENCY STOP ST. JODOK EMERGENCY STOP TRENS FRANZENSFESTE TRAIN STATION PORTAL FRANZENSFESTE Italy Austria AICA 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. m3 Excavation methods Blasting Tunnel boring machine (TBM) Railway traction power supply 15kV 16,7Hz and 25kV 50Hz Train control system ETCS Level 2 THE TUNNEL SYSTEM 13
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