Remember the London docks and the endless strikes therein ? And the result was the closure of traditional docks and the move to non union, cantainerised ports out of London.
Should not really put the
RMT▸ and the Dockworks Union in the same statement, the RMT maid up of the National Union of Railwaymen and the National Union of Seamen both the NUR and NUS were at odds with Dockworkers Union the DWU accusing both the NUR and NUS of taking dockers work away. The 'Inland Bonded Port' at Milton (Didcot) was planned as were others which the NUR and NUS supported but the DWU opposed, these inland ports were designed to take container traffic direct into the centre of mainland
UK▸ where they were Customs cleared.