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Il raddoppio del tunnel autostradale del San Gottardo è finanziariamente insostenibile. Lo afferma in un’intervista alla rivista "eco" dell’Iniziativa delle Alpi, il professor Sergio Rossi, docente di macroeconomia ed economia monetaria all’Università di Friburgo.
"Un investimento come quello previsto per il raddoppio può essere considerato uno spreco e i fondi andrebbero spesi con maggiore efficacia in altri progetti a favore della mobilità".
Anche il traffico, secondo il professore, non otterrebbe alcun beneficio dal raddoppio. Infatti "se la rete stradale si espande, aumenta anche il traffico motorizzato. Se inizialmente i costi diminuiscono e la fluidità del traffico aumenta, a lungo termine si assiste inevitabilmente a un’inversione di tendenza. Ciò spinge a una nuova espansione della rete stradale, creando una spirale dannosa". Rossi ritiene quindi che "il raddoppio del Gottardo peggiorerebbe, oltre a quella economica anche la situazione stradale in Ticino, in particolare nel sud del Cantone".
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