Road Below Tokyo Bay A Record 6 Miles

Two shores of Tokyo Bay were linked Monday by the world’s longest stretch of undersea highway.

In a nationally televised ceremony, officials celebrated the completion of drilling work on the “Aqualine” expressway.

The new highway - which isn’t yet open to traffic - spans nine miles, roughly two-thirds of it below Tokyo Bay. The remainder is a three-mile bridge.

The highway, which is estimated to cost $12 billion, is scheduled to open in December.

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