Cordon pricing consistent with the physics of overcrowding
This paper describes the modeling of recurring congestion in a network. It is shown that the standard economic models of marginal cost cannot describe precisely traffic congestion in networks during time-dependent conditions. Following a macroscopic traffic approach, we describe the equilibrium solution for a congested network in the no-toll case. A dynamic model of cordon-based congestion pricing (such as for the morning commute) for networks is developed consistent with the physics of traffic.Ê The paper combines VickreyÕs theory with a macroscopic traffic model, which is readily observable with existing monitoring technologies. The paper also examines some policy implications of the cordon-based pricing to treat equity and reliability issues, i.e. in what mobility level a city should choose to operate. An application of the model in a downtown area shows that these schemes can improve mobility and relieve congestion in cities.
|Date of creation:||2008|
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- David Levinson & Ramachandra Karamalaputi, 2003. "Induced Supply: A Model of Highway Network Expansion at the Microscopic Level," Working Papers 200304, University of Minnesota: Nexus Research Group.
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200301, University of Minnesota: Nexus Research Group.
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- David Levinson & Andrew Odlyzko, 2007. "Too Expensive to Meter: The influence of transaction costs in transportation and communication," Working Papers 200802, University of Minnesota: Nexus Research Group, revised Feb 2007.
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