RBT-60 is part of the KSS, or Korean Standard System – a set of standards for the design, construction, and operation of public transportation systems in South Korea. RBT-60 is a standard that outlines the design and operational requirements for rail transit systems, including track configuration, signaling, power supply, and vehicle characteristics. Its purpose is to ensure passenger safety, operational efficiency, network reliability, and facility durability. It covers aspects such as vehicle design, power supply, trackwork facilities, telecommunication systems, and train operations. RBT-60 also contains regulations related to the operation of the system, including speed limits and distance between cars.