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Alternative marginal-cost pricing for road networks 总被引:1,自引:1,他引:0
In the literature, several studies have algebraically characterized the set of toll vectors or patterns that, when added to
a user equilibrium problem, its solution would be system optimal. Toll vectors in this set are termed “valid.” While the toll
vector commonly advocated in the literature, i.e., one that equates the toll on each link to its marginal external cost, is
always valid, other valid toll vectors generally exist and many leave some utilized links in the network untolled. On the
surface, this may appear unreasonable and seems to violate the principle of marginal-cost pricing. This note shows that, when
travel demands are elastic, all valid toll vectors satisfy this principle, in that the total tolls for each path equals the
congestion externality an additional traveler on the path imposes on others. 相似文献
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Ziqi Song Yafeng Yin Siriphong Lawphongpanich 《International Journal of Sustainable Transportation》2015,9(6):431-441
Falling budget, political, and environmental constraints force decision makers and transportation authorities to develop innovative ways to better manage existing facilities. Managed lanes, more specifically, high-occupancy vehicle (HOV) and high-occupancy toll (HOT) lanes, have been recognized as viable options to improve vehicle trips without constructing additional capacity. This paper investigates how to deploy managed lanes in general networks. A mathematical program with complementarity constraints is formulated to simultaneously determine the locations of managed lanes and the toll rates on HOT lanes to maximize the social benefit. Numerical examples based on the networks in the literature are presented to verify the model. 相似文献
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