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Le Ferrovie federali hanno dato il via, mercoledì, ai lavori per la realizzazione della galleria del Bözberg, che dal 2020 dovrà sostituire il tunnel attuale, non idoneo al passaggio dei semirimorchi con profilo di quattro metri.
Il tunnel del Bözberg (1 nella cartina) è uno dei principali tasselli del corridoio a 4 metri
Il manufatto, con sbocchi nelle località argoviesi di Effingen e Schinznach-Dorf, sarà lungo 2,7 chilometri ed è un tassello fondamentale del ristrutturando asse del San Gottardo.
Le Camere hanno concesso un credito di 350 milioni di franchi per finanziare l'opera, quasi la metà dei 710 destinati a tutta la linea tra Basilea e Chiasso.
ATS/dg
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