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I due portali della canna ovest del tunnel di base del Monte Ceneri (a Vezia e Vigana) sono finalmente collegati con la caduta giovedì del diaframma principale nei pressi dell'uscita nord. Bisognerà attendere ancora qualche giorno perché avvenga lo stesso anche in quella orientale. È il primo grande evento dell'anno per AlpTransit, il più importante sarà la consegna alla Confederazione del tunnel di base del San Gottardo, il 1° giugno, seguito dalla sua messa in servizio con il cambiamento di orario in dicembre.
La tabella di marcia per il Ceneri prevede ancora il completamento della struttura interna e della volta (il 60% del tunnel è già pronto), quindi la posa della tecnica ferroviaria e la fase dei test. L'inaugurazione, che avvicinerà Sopraceneri e Sottoceneri, avverrà nel 2020.
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