It is a proposed flagship project of the government of Kerala for High-Speed Rail (silverline) project. It is a semi-high speed railway corridor which will connect Thiruvananthapuram to Kasaragod and thereby enhancing the state’s railway infrastructure and economic growth. The total length of the corridor is 530.6 km. The estimated cost of the project is Rs. 63,941 crores. The project’s new alignment will connect 11 districts and it aims to ease transportation along the entire north-south length of Kerala.