The Great Western Main Line is a main line railway in Great Britain, that runs westwards from London's Paddington station to the west of England and South Wales. The core Great Western Main Line runs from London Paddington to Temple Meads railway station in Bristol. A major branch of the Great Western, the South Wales Main Line, diverges from the core line west of and terminates in . The term "Great Western" is also used by Network Rail and other rail transport organisations in the UK rail industry to denote a wider group of associated routes.