National Rail is a network of passenger train services in the United Kingdom. It operates through various train operating companies that provide services across England, Scotland, and Wales. The network connects major cities and towns, making it easier for people to travel for work, leisure, or education. The National Rail system is managed by Network Rail, which oversees the infrastructure, including tracks and stations. Passengers can purchase tickets online or at stations, and services are often integrated with local transport options, such as buses and trams, to enhance connectivity and convenience for travelers.