also: あかどう
noun
non-legal public road; red-line road
A road shown by a red line on old cadastral maps; legally classified as a non-statutory public road. Some may no longer exist physically. Used in legal and land-registry contexts.
See also: 法定外公共物
この土地の境界には、昔の赤道が残っている。
An old red-line road remains on the boundary of this land.
赤道は法定外公共物として扱われる。
Red-line roads are treated as non-statutory public property.
The legal category to which 赤道 belongs; a broader term for non-statutory public property.
From 赤 (red) + 道 (road), referring to the red lines used on cadastral maps to indicate such roads.