noun
No Crossing; Do Not Cross
Used on signage to prohibit pedestrians from crossing a street or area. Often seen on traffic signs or painted on roads.
この道路は横断禁止です。
Crossing this road is prohibited.
横断禁止の標識を見て、歩道橋を渡った。
Seeing the No Crossing sign, I used the pedestrian bridge.
Compound of 横断 (crossing) and 禁止 (prohibition). The exact historical derivation is uncertain, but the term is a straightforward modern compound used in traffic regulation.