Improving transportation networks

Improving transportation networks: Effects of population structure and decision making policies

Web Annex of the original paper published in Scientific Reports 

Federico Pablo Martí (1),*, Angel Sánchez (2), (3)

(1) Grupo de Sistemas Complejos en Ciencias Sociales (SCCS), Departamento de Economíıa, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
(2) Grupo Interdisciplinar de Sistemas Complejos (GISC), Departamento de Matemáaticas, and Institute UC3M-BS of Financial Big Data, Universidad Carlos III de Madrid, Leganés, Madrid, Spain
(3) Instituto de Biocomputación y Física de Sistemas Complejos (BIFI), Universidad de Zaragoza, Zaragoza, Aragón, Spain * federico.pablo@uah.es

Representative examples of the different geographical distributions considered

A: Circunference setup. B: Circunference and central point setup. C: Double circunference and central point setup. D: Random setup.

Complete Networks vs. networks of Delaunay. Efficiency analysis

Comparison of the total cost of transport before improvements in the Delaunay and complete networks.

 

 

Variations in decision-making processes. Number of nodes constant

Variations in number of nodes. Decision-making processes constant

 

Comparison of the evolution of total cost of transport after improvements in the Delaunay and complete networks.

 


Ratio of total transport costs with Delaunay networks to complete networks.

 


Comparison of the average size of the improved sections in Delaunay and complete networks.

 


 

Comparison of section improvements effects on the total transport costs of Delaunay and complete networks.

 


The impact of the decision-making process on the networks

Variations in decision-making processes. Number of nodes constant

Variations in number of nodes. Decision-making processes constant

 

 

Example videos showing the sequential process of network enhancement.

 


 

 

Effect of the section improvements on the Gini indices of the degree centrality .

 


Effect of the section improvements on the Gini indices of the betweenness centrality.

 

Evolution of the difference between the Gini indices of betweenness centrality and those of degree centrality.

 



 

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