Kan-Etsu Tunnel

Kan-Etsu Tunnel
関越トンネル

Nagaoka-bound tunnel entrance at the Yuzawa side
Overview
Location	Gunma and Niigata prefectures
Route	Kan-Etsu Expressway
Start	Minakami, Gunma
End	Yuzawa, Niigata
Technical
Length	10.926 kilometres (6.789 mi) (Tokyo-bound) 11.055 kilometres (6.869 mi) (Nagaoka-bound)

Prefectural border in the tunnel

The Kan-Etsu Tunnel (関越トンネル, Kan'etsu Tonneru) is a tunnel on the Kan-Etsu Expressway in Japan that runs through Mt. Tanigawa from Minakami, Gunma to Yuzawa, Niigata. The northern tube was opened in 1985 and the southern tube was opened in 1991.^[1]

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