 Resultantly, iron ore imports through Port Talbot reached 300,000 tons per annum by 1930, and 3,000,000 tons per annum by 1960.The PTR&DCo was absorbed by the Great Western Railway on 1 January 1922.Nationalised in 1948 by the Labour government of Clement Attlee, ownership of the docks passed to the British Transport Commission, under its Docks and Inland Waterways Executive.