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Il nuovo tunnel sotto il S. Gottardo che sarà inaugurato il 1° giugno riporta in Svizzera il primato del traforo più lungo del mondo, relegando al secondo posto la galleria Seikan in Giappone (54 km). Il primo tunnel ferroviario del San Gottardo (1882) e successivamente quello del Sempione (1906) avevano permesso alla Confederazione di primeggiare per decenni in questa particolare classifica.
AlpTransit supererà in lunghezza anche l'Eurotunnel che collega Francia e Inghilterra (53 km), la galleria di Guadarrama in Spagna (28 km) e il tunnel stradale di Laerdal in Norvegia (25 km). Quest'ultimo, inaugurato nel 2000, ha tolto al S. Gottardo dopo 20 anni il titolo di galleria stradale più lunga del mondo.
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