Study on the number and location of measurement points for an MFD perimeter control scheme: a case study of Zurich

Ortigosa, Javier; Menéndez, Mónica; Tapia, Héctor Juan Carlos López

doi:10.1007/s13676-013-0034-0

Cited by 68 publications

(36 citation statements)

References 22 publications

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“…The MFD can be obtained via analytical approximations with variational theory (such as proposed in Geroliminis and Boyacı (2012), Leclercq and Geroliminis (2013), or observed with real data from multiple sensors Leclercq et al (2014), Ortigosa et al (2014), Ji et al (2015) and others). If network density is regularly measured, the critical density K cr beyond which oversaturation accumulates in the network and congestion grows, can be identified.…”

Section: Mfd-based Pricing Scheme With User Adaptationmentioning

confidence: 99%

Time-dependent area-based pricing for multimodal systems with heterogeneous users in an agent-based environment

Zheng

Rérat

Geroliminis

2016

Transportation Research Part C: Emerging Technologies

118

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a b s t r a c tIn this paper, we investigate an area-based pricing scheme for congested multimodal urban networks with the consideration of user heterogeneity. We propose a time-dependent pricing scheme where the tolls are iteratively adjusted through a Proportional-Integral type feedback controller, based on the level of vehicular traffic congestion and traveler's behavioral adaptation to the cost of pricing. The level of congestion is described at the network level by a Macroscopic Fundamental Diagram, which has been recently applied to develop network-level traffic management strategies. Within this dynamic congestion pricing scheme, we differentiate two groups of users with respect to their value-of-time (which related to income levels). We then integrate incentives, such as improving public transport services or return part of the toll to some users, to motivate mode shift and increase the efficiency of pricing and to attain equitable savings for all users. A case study of a medium size network is carried out using an agent-based simulator. The developed pricing scheme demonstrates high efficiency in congestion reduction. Comparing to pricing schemes that utilize similar control mechanisms in literature which do not treat the adaptivity of users, the proposed pricing scheme shows higher flexibility in toll adjustment and a smooth behavioral stabilization in long-term operation. Significant differences in behavioral responses are found between the two user groups, highlighting the importance of equity treatment in the design of congestion pricing schemes. By integrating incentive programs for public transport using the collected toll revenue, more efficient pricing strategies can be developed where savings in travel time outweigh the cost of pricing, achieving substantial welfare gain.

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Section: Mfd-based Pricing Scheme With User Adaptationmentioning

confidence: 99%

Time-dependent area-based pricing for multimodal systems with heterogeneous users in an agent-based environment

Zheng

Rérat

Geroliminis

2016

Transportation Research Part C: Emerging Technologies

118

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“…Many research papers adopted microsimulation that used fixed routing scheme obtained by the static traffic assignment (STA) method [35] to obtain MFD. For example, CORSIM was used in San Francisco, California [14], and VISSIM was used in Orlando, Florida [36], and in Zurich, Switzerland [37]. Recent studies have adopted the dynamic traffic assignment (DTA) modules in VISSIM to obtain the MFD [38].…”

Section: Mfd For Simulation Networkmentioning

confidence: 99%

“…Moreover, DTA method is more computationally demanding due to a few iterative processes and more unstable as convergence is not always guaranteed. As the research question is to investigate the applicability of dynamic toll at the large network level using the MFD rather than link-based flowdensity function, the research simply adopts the STA method with capacity restraint to obtain the fixed routes with the initial traffic demand pattern and then keeps the same OD pattern and multiplies the factors to scale the OD demand for achieving an integrated MFD [37,40]. The resulting time along each layer is related to the travel distance and network density within the simulation experiment.…”

Section: Mfd For Simulation Networkmentioning

confidence: 99%

A Two-Layer Network Dynamic Congestion Pricing Based on Macroscopic Fundamental Diagram

Wei

Sun

2018

Journal of Advanced Transportation

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Dynamic congestion pricing has attracted increasing attentions during the recent years. Nevertheless, limited research has been conducted to address the dynamic tolling scheme at the network level, such as to cooperatively manage two alternative networks with heterogeneous properties, e.g., the two-layer network consisting of both expressway and arterial network in the urban areas. Recently, the macroscopic fundamental diagram (MFD) developed by both field experiments and simulation tests illustrates a unimodal low-scatter relationship between the mean flow and density network widely, providing the network traffic state is roughly homogeneous. It reveals traffic flow properties at an aggregated level and sheds light on dynamic traffic management of a large network. This paper proposes a bilevel programming toll model, incorporating MFD to solve the unbalanced flow distribution problem within the two-layer transportation networks. The upper level model aims at minimizing the total travel time, while the lower level focuses on the MFD-based traffic assignment, which extends the link-based traffic assignment to network wide level. Genetic algorithm (GA) and the method of successive average were adopted for solving the proposed model, on which an online experimental platform was established using VISSIM, MATLAB, and Visual Studio software packages. The results of numerical studies demonstrate that the total travel time is decreased by imposing the dynamic toll, while the total travel time savings significantly outweigh the toll paid. Consequently, the proposed dynamic toll scheme is believed to be effective from both traffic and economic points of view.

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“…This can be derived from macroscopic fundamental diagrams [27] or also known as perimeter control which is an active area of research A modern congestion pricing policy for urban traffic: subsidy plus toll 143 [74,75]. 8 In our study, the location and target traffic values of the toll/subsidy are known and are exogenously given.…”

Section: Winnipeg Case Studymentioning

confidence: 99%

A modern congestion pricing policy for urban traffic: subsidy plus toll

Bagloee

Sarvi

2017

J. Mod. Transport.

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Congestion pricing is seen as an effective policy to address traffic congestion. In such policies where money, people and authorities are involved, the success generally hinges upon two factors: equity (being fair) and acceptability (to both people and authorities). The primary concern is the equity, for which ''tradable credit scheme (TCS)'' has been introduced and extensively studied in the literature. Nevertheless, due to the complexity of the trading schemes, the TCS has yet to find any foot in the real world. To this end, a novel idea of rewarding has substituted the trading component to be known as toll-and-subsidy scheme (TSS). The idea is to charge the drivers on some roads (toll) while rewarding them to use other alternative-and perhaps underutilizedroads (subsidy). The research of the TSS is in its infancy stage. The problem to be tackled in this study is as follows: Given a set of roads constituting a cordon line around the central business district (CBD) or across a screen line, how much toll or subsidy should be assigned to each road? The problem is first transformed into a capacitated traffic assignment problem. We employ a solution method based on augmenting the travel time of roads up to the level at which the traffic volumes do not exceed some target rates. A real dataset from the city of Winnipeg, Canada, is used as a pilot study. We then discuss policy-related applications of the TSS. It is proved in the literature that one can obtain optimal TSSs for various objectives and considerations. To this end, the non-negativity of the toll values is relaxed which results in a valid toll set. Nevertheless, the computational time is found to be of highest significance. Our method differs in the fact that the traffic volumes are bounded from the above and it is quite affordable. The main contribution is first to highlight the concept of subsidy along with traditional thought of merely toll. Second is to interpret the Lagrangian values of the capacity constraints as the values of the toll/subsidy.

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Study on the number and location of measurement points for an MFD perimeter control scheme: a case study of Zurich

Cited by 68 publications

References 22 publications

Time-dependent area-based pricing for multimodal systems with heterogeneous users in an agent-based environment

Time-dependent area-based pricing for multimodal systems with heterogeneous users in an agent-based environment

A Two-Layer Network Dynamic Congestion Pricing Based on Macroscopic Fundamental Diagram

A modern congestion pricing policy for urban traffic: subsidy plus toll

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