Optimal Road Network

by George H. Sotiropoulos, Civ. Engr., Scientific Collaborator-Lect.; Lab. of Struct. Analysis, School of Tech., Aristotle Univ., Theessaloniki, Greece,

Serial Information: Transportation Engineering Journal of ASCE, 1978, Vol. 104, Issue 5, Pg. 745-755

Document Type: Journal Paper


Minimization of the total transportation cost within a network, connecting a given point constellation with known transportation demands by determination of the optimal network configuration and type of construction of individual links is the objective of this paper. The method proposed has been developed to help preliminary analysis and provide effective guidelines to the very complex problem of planning a transportation network. The economical factors taken into account herein are land values, road construction and maintenance cost, vehicle operation, and travel time costs. The problem leads to a system of nonlinear simultaneous equations that are solved by iteration procedure by means of a computer program. Finally, a numerical example from road network practice is presented in detail.

Subject Headings: Construction costs | Highways and roads | Economic factors | Travel time | Infrastructure construction | Network analysis | Transportation studies | Land use

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