GIS-Based Analysis of Personal Accessibility Measures of Daily Travel
The urban transportation system plays a very important role in people’s daily travel and the purpose of this system is to improve the individual accessibility, so it’s of great significance to research the individual accessibility of travel. This paper reviews research on the development and exploration of the accessibility and points out an important shortcoming that the existing accessibility measurements have not yet been able to link daily activity patterns with long-term spatial behaviors of travelers. Based on the analyses of these facts, this paper presents a new understanding and approach to analyze the individual accessibility of travel, which provides an integrated model based on one’s daily life and personalized weight setting so as to qualify the index of the individual accessibility of daily travel. The result of the integrated approach can be used to analyze the change of accessibility in the same city in different time periods which may assist decision-making and the result can also provide reference data for the choice of his/her living or working place. Geographic Information Systems (GIS) provide useful tools for analyzing accessibility. An integrated system was designed for implementing the integrated approach using ArcMap which is part of ArcGIS. The system was demonstrated through a case study in Shanghai in which an individual used the system to identify potential locations to live according to accessibility. The system has a strong practicability and applicability which provides a new powerful tool for the research of the individual accessibility of travel.
KeywordsPersonal accessibility measures GIS Shanghai
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