Shin-Kobe Tunnel

The Shin-Kobe Tunnel (Shin-Kōbe Tonneru), signed as Route 32, is one of the expressway routes of the Hanshin Expressway system serving the Keihanshin area. The route travels from National Route 2 in Chūō-ku, Kobe, then tunnels under Mount Rokkō to Kita-ku where it ends at a junction with the Kita-Kobe Route. It has a total length of 8.5 kilometers (5.3 mi).

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

Other tunnels in Japan

Delaware Aqueduct United States · 137 km Päijänne Water Tunnel Finland · 120 km Orange–Fish River Tunnel South Africa · 82.8 km Ishikawa Tunnel Japan · 78.5 km Brenner Base Tunnel Austria · 64 km Mont d'Ambin base tunnel France · 57.5 km Gotthard Base Tunnel Switzerland · 57.09 km Hong Kong–Zhuhai–Macau Bridge China · 55 km