도시철도표준화와 향후 방향(I)

Standardization of urban transit in Korea and its direction ( I )

As the subway composed of rolling stock, power supply, signalling, infrastructure is complex system, the optimization through standardization is one of the most effective way to reduce the cost of construction and operation. However, the subway in Korea has been built and operated in different kinds of system. In this paper, review for standardization of urban transit in Korea is executed and presented direction to standardization.