An accessibility-maximization approach to road network planning

António Antunes, Álvaro Seco, Nuno Pinto

Research output: Contribution to journalArticlepeer-review

Abstract

Accessibility is a key factor in defining the quality of life and potential for development of both cities and regions. This article presents a new accessibility-maximization approach to inter-urban road network long-term planning. The approach is based on a non-linear combinatorial optimization model. Two heuristics have been developed for solving the model, based on local search and simulated annealing principles, respectively. The efficiency of the heuristics was evaluated on a sample of test problems involving 10-, 20-, and 40-node networks. In the analysis both solution quality and computing effort were taken into account. The approach was used to analyze the ongoing transformation of the Portuguese main road network. The results obtained so far indicate that the model is a valuable decision-aid tool for inter-urban road network long-term planning.
Original languageEnglish
Pages (from-to)224-240
Number of pages16
JournalComputer-Aided Civil and Infrastructure Engineering
Volume18
Issue number3
DOIs
Publication statusPublished - May 2003

Keywords

  • design
  • optimization
  • algorithms
  • models
  • equity

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