Impact of New Railway Line Development on Existing Signaling Systems
Keywords:
railway signaling, , new railway line , interlocking , infrastructure integration , signaling modernizationAbstract
The development of new railway lines, such as double-track and multi-track systems, is one of the main strategies to increase railway transportation capacity and operational efficiency. However, the addition of new lines often creates challenges for existing signaling systems that were originally designed for simpler track configurations. This study aims to analyze the impact of new railway line development on existing signaling systems and identify the adjustments required to ensure safe and efficient integration. The research applies a qualitative approach through literature review and analysis of railway infrastructure upgrade projects in Indonesia, including the Padalarang–Bandung and Kiaracondong–Cicalengka routes, as well as international case studies. The results indicate that the integration of new lines generally requires signaling system upgrades, including increased interlocking capacity, improved communication networks, and additional train detection devices. Without proper modernization, existing signaling systems may limit operational capacity and increase the risk of operational disturbances. Therefore, signaling modernization is a critical component in supporting railway line expansion while maintaining safety and reliability.




