This really abrupt change of a road class suggests that something went wrong with road classification - it is unlikely that road would lose nearly entire importance in one steep.

This really abrupt change of a road class suggests that something went wrong with road classification - it is unlikely that road would lose nearly entire importance in one steep.

Intersecting tunnels, curious if this is correct. Unfortunately, I cannot use a GPS tracks and imagery to verify.

車止めがあります。また西側へ迂回路があります。

この道は2本の別の道では無いでしょうか。