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Transport Accessibility Analysis Using GIS: Assessing Sustainable Transport in London

Centre of Earth Systems Engineering, School of Civil Engineering and Geosciences, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editors: Mark Zuidgeest and Wolfgang Kainz
ISPRS Int. J. Geo-Inf. 2015, 4(1), 124-149;
Received: 30 October 2014 / Accepted: 9 January 2015 / Published: 20 January 2015
(This article belongs to the Special Issue GIS for Sustainable Urban Transport)
Transport accessibility is an important driver of urban growth and key to the sustainable development of cities. This paper presents a simple GIS-based tool developed to allow the rapid analysis of accessibility by different transport modes. Designed to be flexible and use publicly-available data, this tool (built in ArcGIS) uses generalized cost to measure transport costs across networks including monetary and distance components. The utility of the tool is demonstrated on London, UK, showing the differing patterns of accessibility across the city by different modes. It is shown that these patterns can be examined spatially, by accessibility to particular destinations (e.g., employment locations), or as a global measure across a whole city system. A number of future infrastructure scenarios are tested, examining the potential for increasing the use of low-carbon forms of transport. It is shown that private car journeys are still the least cost mode choice in London, but that infrastructure investments can play a part in reducing the cost of more sustainable transport options. View Full-Text
Keywords: network analysis; accessibility; spatial planning; infrastructure investment network analysis; accessibility; spatial planning; infrastructure investment
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Ford, A.C.; Barr, S.L.; Dawson, R.J.; James, P. Transport Accessibility Analysis Using GIS: Assessing Sustainable Transport in London. ISPRS Int. J. Geo-Inf. 2015, 4, 124-149.

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