1962년 도시계획법이 제정되어 도시계획사업의 일환으로 '불량지구개량에 관한 시설사업'으로 불량주택을 개선하였다.
In 1962, the Urban Planning Act was enacted, and as part of the urban planning project, defective housing was improved through the'facility project related to the improvement of bad districts'.