Railway infrastructure refers to the physical components that support the operation of trains. This includes tracks, bridges, tunnels, and stations. The tracks are made of steel rails laid on wooden or concrete sleepers, which are supported by a bed of gravel called ballast. Proper maintenance of these elements is crucial for safe and efficient train travel. In addition to tracks, railway infrastructure also encompasses signaling systems and power supply for electric trains. Signaling systems help manage train movements to prevent collisions, while power supply systems provide electricity to trains. Together, these components ensure that rail networks operate smoothly and safely.