Railway lines are tracks made of steel rails that allow trains to travel from one place to another. They are typically laid on a bed of gravel or concrete to provide stability and support. These lines connect cities, towns, and regions, making it easier for people and goods to move across long distances. Trains running on railway lines can be powered by electricity, diesel, or steam. The design of the tracks includes straight sections and curves, allowing trains to navigate various terrains. Safety features, such as signals and crossings, help manage train traffic and ensure safe travel for passengers and freight.