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Evaluation of French motorway network in relation to slime mould transport networks

Adamatzky, Andrew; Allard, Olivier; Jones, Jeff; Armstrong, Rachel

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Authors

Olivier Allard

Rachel Armstrong



Abstract

© The Author(s) 2016. France has developed a high quality motorway system that has been rapidly rationalised and matured in the late 20th century yet has been founded on ancient, Roman infrastructures. The development of the motorway system is thus an iterative method associated with hierarchical ‘top-down’ processes taking into consideration factors such as population density, network demand, location of natural resources, civil engineering challenges and population growth. At the opposite extreme to this approach is the development of transport networks within simple biological systems which are typically decentralised, dynamic and emerge from simple, local and ‘bottom-up’ interactions. We examine the notion, and to what extent, that the structure of a complex motorway network could be predicted by the transport network of the single-celled slime mould Physarum polycephalum. This comparison is explored through its ability to ‘deduce’ the French motorway network in a series of analogue and digital experiments. We compare Physarum network and motorway network topology in relation to proximity graphs and assess the trade-off between connectivity and minimal network length with a bottom-up model of a virtual plasmodium. We demonstrate that despite the apparent complexity of the challenge Physarum can successfully apply its embodied intelligence to rationalise the motorway topology. We also demonstrate that such calculations prove challenging in the face of significant obstacles such as, mountainous terrain and may account for the missing route between Nice, Grenoble Avignon and Lyon. Finally, we discuss the topological findings with respect to circle and spoke city planning infrastructures and certain species of web-building spiders.

Citation

Adamatzky, A., Allard, O., Jones, J., & Armstrong, R. (2017). Evaluation of French motorway network in relation to slime mould transport networks. Environment and Planning B: Urban Analytics and City Science, 44(2), 364-383. https://doi.org/10.1177/0265813515626924

Journal Article Type Article
Acceptance Date Dec 1, 2015
Online Publication Date Jan 28, 2016
Publication Date Jan 1, 2017
Deposit Date Apr 21, 2017
Publicly Available Date Mar 29, 2024
Journal Environment and Planning B: Urban Analytics and City Science
Print ISSN 2399-8083
Electronic ISSN 2399-8091
Publisher SAGE Publications
Peer Reviewed Peer Reviewed
Volume 44
Issue 2
Pages 364-383
DOI https://doi.org/10.1177/0265813515626924
Keywords Agent-based modelling (ABM), planning theory, self-organisation
Public URL https://uwe-repository.worktribe.com/output/897427
Publisher URL https://doi.org/10.1177/0265813515626924
Additional Information Additional Information : Adamatzky, A., Allard, O., Jones, J. and Armstrong, R. (2017) . The definitive, peer-reviewed and edited version of this article is published in Environment and Planning B, volume 44, issue 2, pages 364-383, 2017, doi: 10.1177/0265813515626924.

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