Classification of European Inland Waterways

The Classification of European Inland Waterways is a set of standards for interoperability of large navigable waterways forming part of the Trans-European Inland Waterway network within Continental Europe and Russia. It was created by the European Conference of Ministers of Transport (ECMT; French: Conférence européenne des ministres des Transports, CEMT) in 1992.

Source: Wikipedia — Classification of European Inland Waterways (CC BY-SA 4.0)