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意大利计划在西西里岛和意大利本土墨西拿海峡之间修建一条永久性公路和铁路线。并制订了在该海峡兴建水中隧道桥的方案。该方案是,在海峡下面采用三个互相紧固的隧道,
Italy plans to build a permanent road and rail line between Sicily and the Italian mainland of Messina. And formulated a plan to build a water tunnel bridge in the Strait. The plan is to use three tunnels fastened to each other under the strait,