구는 교통사고 발생지점, 과속으로 교통사고 발생 우려가 있다고 학교·녹색어머니회· 주민이 요청하는 지점 등에 우선 설치하고 있다.
The district first sets up school zones in places where traffic accidents are freqeunt such as speed driving and this is requested by schools, the Green mothers' associations and residents who consider these places are likely to have car accidents.