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La strada storica della Viamala sarà risanata: i lavori verranno eseguiti tra il 2019 e il 2023 e avranno un costo totale di 13 milioni di franchi. Lo rende noto giovedì l’Ufficio tecnico dei Grigioni stando al quale: "Al valore storico dell'opera edilizia viene attribuita attenzione particolare".
Più sicura rispetto al passato
Il tracciato in questione, tra Thusis e Chiavenna, è stato realizzato 360 anni fa come mulattiera e oggi è un percorso culturale importante, classificato come tracciato storico nell'inventario delle vie di comunicazione storiche della Svizzera, ricordano le autorità retiche.
Insieme alla sistemazione dei ponti, delle gallerie artificiali e dei muri di sostegno, nell'intero perimetro del progetto verrà rinnovata la sovrastruttura stradale.
A causa della ristrettezza degli spazi, il margine di manovra per un miglioramento del tracciato è limitato, motivo per cui non si potranno effettuare grandi interventi: i punti più stretti, in particolare, verranno ampliati in misura minima. Una nuova passerella migliorerà l'accesso pedonale al centro visitatori.
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