Societal context-dependent multi-modal transportation network augmentation in Johannesburg, South Africa

Thembani Moyo, Alain Y Kibangou and Walter Musakwa

PLOS ONE, 2021, vol. 16, issue 4, 1-25

Abstract: In most developing countries, formal and informal transportation schemes coexist without effective and smart integration. In this paper, the authors show how to leverage opportunities offered by formal and informal transportation schemes to build an integrated multi-modal network. Precisely, the authors consider integration of rickshaws to a bus-train network, by taking into account accessibility and societal constraints. By modelling the respective networks with weighted graphs, a graph augmentation problem is solved with respect to a composite cost taking into account constraints on the use of rickshaws. The solution, is based on finding a minimum cost spanning tree of a merged graph. The method is applied in the South African context, in the city of Johannesburg where rickshaws are not yet a significant part of the transportation system. The implications of the study reveal that using non-motorised transportation services is a viable option of improving mobility in the city. The composite cost introduced herein could be used for new routing algorithm including societal, environmental, architectural contexts and commuter experiences through rating.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0249014

DOI: 10.1371/journal.pone.0249014

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