Definition: Tonne-kilometre (tkm)

Transport

Unit of measurement of goods transport which represents the transport of one tonne of goods over a distance of one kilometre.
(Fourth version of the Transport Glossary)

Unit of measure representing the movement of one tonne of cargo in a merchant ship over one kilometre.
(Third version of the Transport Glossary)
Source:
International Transport Forum, Eurostat, United Nations Economic Commission for Europe (UNECE), "Illustrated Glossary for Transport Statistics", 4th Edition, Luxembourg 2009
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