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Ishikawa Tunnel

The 4th longest tunnel in the world

78.5 km · Length

The Ishikawa Tunnel (Ishikawa Tonneru) is part of Japan National Route 329 in Uruma, Okinawa. It cuts through the cliffs south of Ishikawa to connect the Ishikawa By-pass to Route 329 proper. The by-pass, tunnel, and bridge were built in the 1990s.

Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

Other tunnels in Japan