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The paper studies two properties of freight transport systems with dynamic cost functions. The first property is that the dynamic cost functions can give rise to situations in which the transport system is unstable. This property has a number of consequences. One of them – important from a practical point of view – is that, if a transport mode implements a plan of improvements of its characteristics...
The paper studies the effects of the competition between cars and trucks on the evolution of traffic on a motorway, when transport demand increases over time while the geometric characteristics of the motorway remain unchanged, and at the same time there is a progressive adaptation of car drivers to the increase in transport cost due to the presence of trucks. A model is presented that investigates...
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