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An analysis of the Spanish high capacity road network criticality

机译：西班牙高容量道路网络的危害性分析

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The analysis of complex networks has been carried out in different fields using an ample variety of method and concepts. Recently, in the general literature of regional economics, the concepts of resilience, connectivity, vulnerability and criticality have been gaining their momentum. The aim of this paper is to provide an analytical framework, using well-known accessibility indicators, in order to calculate the critical links or road sections of the Spanish high-capacity road network. Our analysis will be based on approximately four hundred sections that will be classified in five different groups according to their criticality degree in the whole network. Our analysis will be complemented with the comparison of the results obtained in five different scenarios, namely the average criticality using the effects on the whole country, Madrid, Barcelona, Valencia and Pontevedra. Furthermore, the paper will also analyze what kind of intrinsic characteristics of the sections favor or not the links’ criticality using a method based on a classification and regression tree. This analysis is crucial to understand other important concepts that are recently being studied in network and spatial economics, like, for example, resilience and vulnerability. It is concluded that the number of relations or routes, being a trunk or not, the road density and the time to Madrid capital play an important role in the criticality of the roads section in the high capacity road network.
机译：复杂网络的分析已使用多种方法和概念在不同领域进行。最近，在区域经济学的一般文献中，复原力，连通性，脆弱性和临界性的概念正在兴起。本文的目的是提供一个使用著名的可达性指标的分析框架，以便计算西班牙高容量道路网的关键路段或路段。我们的分析将基于大约400个部分，这些部分将根据其在整个网络中的关键程度分为五个不同的组。我们的分析将通过比较在五个不同方案中获得的结果进行补充，即使用对整个国家，马德里，巴塞罗那，巴伦西亚和庞特维德拉的影响得出的平均临界度。此外，本文还将使用基于分类和回归树的方法来分析哪些类型的固有特征有利于链接的关键性。该分析对于理解网络和空间经济学中最近正在研究的其他重要概念至关重要，例如韧性和脆弱性。得出的结论是，在高通行能力道路网中，路段的紧迫性中，关系或路线的数量（是否为主干），道路密度和到达马德里首都的时间起着重要作用。

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