We construct Africa’s urban network obtained from OpenStreetMap road data. City centrality is measured using two indices: by the degree of cities, so the number of roads that connect it, and by the intermediacy, or the number of intracity journeys …
Constructing a simplified interurban road network based on crowdsourced geodata
We present a method to construct a simplified and connected urban network. Some network nodes are cities, and others are “transport nodes” representing road crossings or other types of infrastructure.