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An Economic Appraisal Of The Impact Of Traffic Diversion - The N1 Toll Road And Its Alternative


  • N.g. Meyer
  • M. Breitenbach
  • R.d. Kekana


This paper investigates two alternative roads running parallel to one another; one being a double-carriageway national road that was tolled 4 years ago and the other being an inter-city single-carriageway road. The purpose of the paper is to test the application of the World Bank-developed Road Economic Decision (RED) model for assessing the economic impact of traffic diversion between two existing alternative roads. In order to do so, the RED model is first used to conduct a cost-benefit analysis of each road in isolation. Thereafter, the model is used to do a scenario analysis followed by a sensitivity analysis. The results show that the RED model is a useful tool for evaluating the impact on society of diverted traffic between alternative roads elsewhere in South Africa. Copyright (c) 2008 The Authors. Journal compilation (c) 2008 Economic Society of South Africa.

Suggested Citation

  • N.g. Meyer & M. Breitenbach & R.d. Kekana, 2008. "An Economic Appraisal Of The Impact Of Traffic Diversion - The N1 Toll Road And Its Alternative," South African Journal of Economics, Economic Society of South Africa, vol. 76(4), pages 652-666, December.
  • Handle: RePEc:bla:sajeco:v:76:y:2008:i:4:p:652-666

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    References listed on IDEAS

    1. Rodrigo Archondo-Callao, 2004. "Economically Justified Levels of Road Works Expenditures on Unpaved Roads," World Bank Other Operational Studies 11808, The World Bank.
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