 Having been leased by the GWR, the Llanelly company was fully absorbed by that company on 1 July 1889.Correspondingly the Central Wales and Carmarthen Junction Railway was vested in the LNWR by Act of 21 July 1891.The line between Swansea and Pontardulais was doubled by the LNWR by 1894 The very basic Swansea passenger station erected by the Llanelly company was modernised and improved by the LNWR in 1882.