1865: incorporated as the Alexandra (Newport) Dock Company, opening on 13 April 1875. 1979 - Launched the Pontypridd, Caerphilly and Newport Railway. 1882 - changed title 18 August 1882; 1884-1906, mineral traffic to Newport was worked by the TVR, after which the company worked its own, using locomotives from the newly electrified Wersey Railway. Passenger traffic began on 28 December 1887; its working was much more complex, being either by the company, the GWR or the Rhymney Railway, depending upon whether the traveller was using a local or through service. Working was taken over by the GWR from 1 January 1899. Services were withdrawn as an economy from 1 January 1917 but reinstated later. 1923 - became a GWR constituent. Passenger services between Pontypridd and Caerphilly were finally withdrawn on 17 September 1956.