Brenner Base Tunnel reaches the Italian-Austrian border
TBM 'Serena' diggin the Brenner Base tunnel source: BBT
After 14 kilometers and 3.5 years of tunneling, ‘Serena’, a 300-meter Tunnel Boring Machine, reached the Brenner Pass under the Alps. In May 2018, the machine started its work on an exploratory tunnel, going from Italy towards the Austrian border. It is the first time the excavation works arrived at the state border.
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