On a paradox of traffic planning

On a paradox of traffic planning

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Article ID: iaor20063527
Country: United States
Volume: 39
Issue: 4
Start Page Number: 446
End Page Number: 450
Publication Date: Nov 2005
Journal: Transportation Science
Authors: , ,
Keywords: networks: flow, graphs
Abstract:

For each point of a road network, let there be given the number of cars starting from it, and the destination of the cars. Under these conditions one wishes to estimate the distribution of traffic flow. Whether one street is preferable to another depends not only on the quality of the road, but also on the density of the flow. If every driver takes the path that looks most favorable to him, the resultant running times need not be minimal. Furthermore, it is indicated by an example that an extension of the road network may cause a redistribution of the traffic that results in longer individual running times.

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