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.

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The different versions of the original document can be found in:

https://doaj.org/toc/2220-9964 under the license cc-by
https://academic.microsoft.com/#/detail/2047891347 under the license https://creativecommons.org/licenses/by/4.0/

DOIS: 10.3390/ijgi4010124 10.1201/b18765-11

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Published on 01/01/2015

Volume 2015, 2015
DOI: 10.3390/ijgi4010124
Licence: Other

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