Railway systems play a crucial role in transportation infrastructure, requiring high levels of reliability, availability, maintainability, and safety (RAMS) to ensure efficient and safe operations. This contribution is an attempt to provide an overview of past and current research on the application of RAMS to railway systems which,is broadly summarized into three review groups; (1) review of RAMS applications on railway networks, (2) review of RAMS applications on railway rolling stock, and (3) review of RAMS applications on railway infrastructure. Based on the review results, the use of probabilistic criteria is widely used to calculate reliability, availability is calculated using maintenance parameters of the system, while maintainability is calculated based on reliability parameters and failure rates. For safety, it is obtained based on the characteristics of the research object of each study. In the end, it is expected that methods from previous studies can be used as a reference for the application of RAMS to the railway system in Indonesia.
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