Journal
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION
Volume 4, Issue 1, Pages 124-149Publisher
MDPI
DOI: 10.3390/ijgi4010124
Keywords
network analysis; accessibility; spatial planning; infrastructure investment
Funding
- Engineering & Physical Sciences Research Council ARCADIA: ARCADIA: Adaptation and Resilience in Cities: Analysis and Decision making using Integrated Assessment project [EP/G061254/1]
- European Community [308497]
- EPSRC [EP/H003630/1]
- Engineering and Physical Sciences Research Council [EP/G061254/1, EP/K012398/1, EP/H003630/1] Funding Source: researchfish
- EPSRC [EP/H003630/1, EP/K012398/1, EP/G061254/1] Funding Source: UKRI
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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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