Enasan Tunnel (恵那山トンネル, えなさんトンネル) is a tunnel on the Chūō Expressway (E19) in Japan that runs (through the Kiso Mountains) from Shimoina District, Nagano...

This list of tunnels in Japan includes any road, rail or waterway tunnel in Japan. List of tunnels by location...

high cost of constructing the Enasan Tunnel. Vehicles carrying dangerous materials are forbidden from using this tunnel and must use alternate routes...

longest road tunnels of the world. This page lists all road tunnels longer than 5 km (3 mi). Wikimedia Commons has media related to Road tunnels. List of...