Length 78.5 km | ||
 | ||
From: National Route 331 in Nago To: National Route 331 in Naha | ||
The Ishikawa Tunnel (石川トンネル, 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.
References
Ishikawa Tunnel Wikipedia(Text) CC BY-SA