Rolling stock refers to the vehicles that move on a railway track. This includes trains, freight cars, and passenger coaches. Essentially, any vehicle that is capable of being moved by a train system falls under this category. Rolling stock is crucial for transporting goods and people efficiently across various distances. The maintenance and management of rolling stock are vital for ensuring safety and reliability in rail operations. Regular inspections and repairs help to keep these vehicles in good working condition. Additionally, advancements in technology are leading to the development of more efficient and environmentally friendly rolling stock, benefiting both the industry and the environment.