Transported volume

The daily task of the UIRR companies consists of transferring the loading units, (swap bodies, containers and semi-trailers) or complete lorries between modes of transport, essentially from road to rail.

The UIRR expresses the volumes of traffic processed by its member companies in terms of “consignments”. Such a unit of measurement corresponds to

  • one semi-trailer, or
  • two swap bodies of <8.30m and <16t, or
  • one swap body of >8.30m or of >16t, or
  • one road train or one articulated vehicle on the rolling road

In other words one UIRR consignment corresponds to the transport capacity of one lorry on the road (equivalent to 2.0 EVP/TEU). A TEU (twenty-foot equivalent) is a unit of measurement corresponding to an ISO container of 20 feet in length (6.10m), used to express traffic capacities or flows, principally in the maritime transport sector.

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