There is the TEN-T plan, which attempts to integrate all transport modalities across the EU https://transport.ec.europa.eu/transport-themes/infrastructure-and-i

There is the TEN-T plan, which attempts to integrate all transport modalities across the EU https://transport.ec.europa.eu/transport-themes/infrastructure-and-investment/trans-european-transport-network-ten-t_en https://transport.ec.europa.eu/transport-themes/infrastructu...