Study of improving the service of metro passengers by the diversified train patterns

완급행운전패턴 다양화로 도시철도의 승객서비스 향상에 관한 연구(서울시9호선 도시철도 운전계획을 중심으로)

The government makes an effort to disperse the centralization of Seoul through the its surroundings development for relieving the various social problems caused by the capital region concentration. But, the planless development of rail system in the capital region have made it difficult to approach into Seoul city center from its surroundings. Through Seoul metro line 9, constructed by private company first in Korea, that has operation plan with normal and express train together, we would like to study up on promotion of passenger service quality such as "the improvement of the accessibility to Seoul city center from its surroundings" and "service of various pattern of trains"