The article investigates the relationship of flows of various types (transport, cargo, information, financial, energy, legal and others) between themselves and elements in the delivery system of foreign trade cargo. A hierarchical scheme of points of interaction of various types of flows is proposed. It is note that optimization of flow control will create more favorable conditions for rhythmic work and coordination of transportation with other modes of transport, and a correctly calculate supply of goods to ports and border crossings will provide an opportunity for the economical use of rolling stock. The solution to this problem at a new level has become possible due to the widespread introduction of digital information technologies. A model of the topology of their interaction has been develop with the definition of an integral quality indicator of a particular route or delivery option. An algorithm for assessing the interdependence of various types of elements, flows, legal ties and the degree of complexity of the structure of the system for the delivery of foreign trade goods.
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