The completion of the line to Encarnacion was then undertaken (1906-1911), a train-ferry across the Parana affording connexion with Posadas.
In 1917, speed of transport of material becoming extremely urgent, it was decided to establish a train-ferry service; it came into operation at the end of that year, and the hoisting of cargoes by cranes into barges was largely superseded.
In 1921, the company proposed to work Richborough as a barge and train-ferry port, ancillary to Queenborough, both centres to serve the requirements of a comprehensive scheme of industrial development in the surrounding districts including the Kent coal-fields.