Modeling of Congestion: A Tool for Urban Traffic Management in Developing Countries

B. Maitra, P.K. Sikdar and S.L. Dhingra

European Transport \ Trasporti Europei, 2004, issue 27, 45-56

Abstract: In order to formulate rational traffic management measures for urban roads, it is essential to understand the effect of different types of vehicle on congestion. The effect of different types of vehicle on congestion has been captured on the basis of marginal congestion. Using congestion models, the marginal congestions have been estimated for different road widths, traffic compositions and on-street parking levels. The peak hour vehicular composition and volume level vary for different roads in an urban area. Therefore, for assessing the operating conditions for different roads based on a comparable quantitative measure, the marginal congestion caused per Passenger Car Unit (PCU) of mixed traffic stream has been estimated and denominated Marginal Congestion Index (MCI). The use of MCI for prioritization of management actions for different urban roads is discussed. It is shown that a congestion model explicitly accounts for the effects of traffic composition and volume level. Therefore, the effect of different types of vehicles on congestion at all traffic volumes could be estimated using congestion models. Altogether, modeling of congestion is established as a tool for formulating rational traffic management measures for urban roads in developing countries.

Keywords: Congestion; Urban transport; Traffic management; Developing countries (search for similar items in EconPapers)
Date: 2004
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Citations: View citations in EconPapers (1)

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