Country Railway Routes Llandeilo to Swansea including the Llanelli and CarmarthenCountry Railway Routes Llandeilo to Swansea including the Llanelli and Carmarthen by John Organ The southern section of the Central Wales Line was a route of many contrasts. From the rural charm of Mid Wales, the line passed through the western fringes of the South Wales coal mining area which also boasted other spheres of industrial activity. Finally, by complete contrast, the last part of the route followed the coast where sand blown onto the track