National Route 401 is a national highway of Japan comprising two separated segments between Aizuwakamatsu, Fukushima and Numata, Gunma in Japan, with a total length of 171.1 km (106.32 mi).

A section of National Route 401 in the village of Katashina in Gunma Prefecture is a musical road.

[2] This article relating to the roads and highways in Japan is a stub.

You can help Wikipedia by expanding it.