A Graphical Analysis of the Multimodal Public Transport Network – The Bay of Cadiz

Resumen

The structure of the current public transport network is the result of many different political, economical and societal decisions over a long period of time. Further developments of these networks require exhaustive analysis of the actual topology and its properties in order to achieve significant improvements. In this work, a statistical analysis and graph theory approach of the multimodal transport network of the Bay of Cadiz is proposed. First, the statistical characteristics of centrality and robustness of the global network are calculated. Later, the influence of specific means of transport on the complete public transport network is analyzed by comparing these parameters against different subnetworks where one or more transport networks have been eliminated. The results obtained evince the importance and influence of the different transport networks in the Bay of Cadiz, highlighting those presenting high robustness on the overall network, as well as those whose influence is limited. Index Terms—Multimodal transport network; public transport efficiency; graph theory; centrality and robustness metrics.