The UK rail lines are an extensive network of train services that connect cities and towns across Great Britain. They are operated by various companies, providing both passenger and freight transport. The rail system is known for its punctuality and efficiency, making it a popular choice for commuters and travelers. The UK rail network includes major routes such as the West Coast Main Line and the East Coast Main Line, which link key cities like London, Manchester, and Edinburgh. Additionally, the London Underground serves as an important urban transit system, facilitating travel within the capital.