Valutazione dell’accessibilità con software open source

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    Abstract

    [automatically translated] Accessibility has always played a key role in the development of society and to make it increasingly easy to travel, regardless of the causes that generate them. In this article we want to focus on accessibility to the airport terminals, as the speed and ease of access are strategic aspects for air transport. If the access time to the terminals was not fast enough, in the short-distance journeys, the aircraft would lose the advantage it has on other modal choices. The purpose there was placed in the research is to assess the territorial accessibility through the use of GIS software (Geographic Information System) open source. To validate the method was carried out an application on the Sicilian airport infrastructure. To this end it was necessary to analyze the preliminary Sicilian road network, to create a framework that allowed to highlight the degree of accessibility that characterizes the three main airports of the island: · Falcone Borsellino in Palermo-Punta Raisi, Vincenzo · Bellini of Catania-Fontanarossa, · Vincenzo Florio of Trapani-Birgi. The study focused on accessibility topological measures, expressing the accessibility of a site according to the connections offered by the transport system. It was, therefore, considered the passive accessibility from all the municipalities in Sicily towards the airport terminals in terms of time. This measure can be represented by isochronous curves, that allow to determine the number of potential destinations that can be reached in a predetermined travel time interval. This measure does not take into account the perception of individuals and their preferences; this implies that all opportunities are equally desirable with reference to the travel time or the type of opportunity. Isochrones have been traced to test the potential of the road network in vacuum and under the simplifying assumption that the offer of the three airports, in terms of available flights, is the same.
    Original languageItalian
    Pages (from-to)68-71
    Number of pages4
    JournalLE STRADE
    Volume8-9/2012
    Publication statusPublished - 2012

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