Lecture
This lecture covers the technical aspects of railway infrastructure, focusing on railway tracks and networks. The instructor discusses the components of railway tracks, such as rails, sleepers, ballast, and substructure. The lecture also delves into the classification of railway lines based on usage and the challenges of maintaining and upgrading railway networks. The importance of rail gauge and the standardization of rail systems are highlighted, along with the complexities of managing different track gauges in a railway network. The lecture provides insights into the design considerations, materials used, and the operational aspects of railway tracks, emphasizing the critical role of rail infrastructure in ensuring safe and efficient train operations.