Definition: Categories of navigable inland waterways
Taking into account the 1992 UNECE/ECMT Classifi cation of European Inland Waterways, canals, navigable rivers and lakes the diff erent categories are defi ned as follows:
By horizontal dimensions of vessels and pushed convoys
Class : (length/beam)
I to III : Up to 80/9 m.
IV : 80-85/9.50 m.
V a : 95-110/11.40 m.
V b : 172-175/11.40 m.
VI a : 95-110/22.80 m.
VI b : 185-195/22.80 m.
VI c : 270-280/22.80 or 195-200/33-34.20 m.
VII : 285/33-34.20 m and over.
(Fourth version of the Transport Glossary)
The categories of navigable inland waterways are defined with reference to international classification systems such as those drawn up by the United Nations Economic Commission for Europe or by the European Conference of Ministers of Transport.
(Third version of the Transport Glossary)
International Transport Forum, Eurostat, United Nations Economic Commission for Europe (UNECE), "Illustrated Glossary for Transport Statistics", 4th Edition, Luxembourg 2009