The original roadway and form of the ancient historic district in Gyoengju has been deteriorated by changing into the industrialized city. However, in order to the survival from the competition among the cities, Gyeongju city has to be changed and also get unique. So the purpose of this study is to be the original roadway, form and also get the sustainable development. In a way of maintaining the original historical form, this study suggest: - easy, safe and comfort to walk - prohibit vehicles from the historic district - develop the green transportation, such as, bicycle, electric motor vehicles, etc. - develop the huge parking lot outside of the historic district - detour the vehicles around the historic district, and so on.