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Immers, L.H. (author), Schuurman, H. (author), Taale, H. (author), Wilmink, I.R. (author), van Katwijk, R. (author), Hoogendoorn, S.P. (author), Yuan, Y. (author)
report 2015
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Immers, L.H. (author), Schuurman, H. (author), Taale, H. (author), Wilmink, I.R. (author), van Katwijk, R. (author), Hoogendoorn, S.P. (author), Yuan, Y. (author)
2013 was nog het jaar van minder files en minder reistijdverlies, wat weer ten dele samenhing met ‘minder economie’. Maar voor 2014 was een kleine kentering voorzien: er werd weer meer verkeer en ook meer congestie opde Nederlandse wegen verwacht. In hoeverre is die voorspelling uitgekomen? En hoe staat het eigenlijk met de verkeersveiligheid en...
report 2015
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Yuan, K. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
It has been empirically observed for years that the queue<br/>discharge rate is lower than the pre-queue capacity. This is<br/>called the capacity drop. The magnitude of capacity drop varies over a wide range depending on the local traffic conditions. However, up to now it is unknown what determines the capacity drop value. In fact, there is...
poster 2015
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Yuan, K. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
lecture notes 2014
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Yuan, Y. (author), Pel, A.J. (author), Hoogendoorn, S.P. (author)
lecture notes 2014
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Yuan, Y. (author), Daamen, W. (author), Goni Ros, B. (author), Hoogendoorn, S.P. (author)
Nowadays, there is a need for tools to support city planners in assessing the performance of cycling infrastructure and managing bicycles and mixed flows. Microscopic and macroscopic bicycle traffic models can be used to fulfill this need. However, fundamental knowledge on individual cyclist interaction behavior (which should underpin these...
journal article 2018
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Goni Ros, B. (author), Yuan, Y. (author), Daamen, W. (author), Hoogendoorn, S.P. (author)
Signalized intersections are one of the most common types of bottleneck in urban cycling networks. Gaining knowledge on the macroscopic characteristics of bicycle flow during the queue discharge process is crucial for developing ways to reduce the delay experienced by cyclists at intersections. This paper aims to determine these...
journal article 2018
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Yuan, K. (author), Lavala, Jorge (author), Knoop, V.L. (author), Jiang, Rui (author), Hoogendoorn, S.P. (author)
Traffic flow downstream of the congestion is generally lower than the pre-queue capacity. This phenomenon is called the capacity drop. Recent empirical observations show a positive relationship between the speed in congestion and the queue discharge rate. Literature indicates that variations in driver behaviors can account for the capacity drop....
journal article 2018
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Yuan, K. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
The capacity drop indicates that the queue discharge rate is lower than the free-flow capacity. Studies show that queue discharge rates vary under different traffic conditions. Empirical data show that the queue discharge rate increases as the speed in congestion increases. Insights into the underlying behavioral mechanisms that result in such...
journal article 2016
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Han, Y. (author), Hegyi, A. (author), Yuan, Y. (author), Roncoli, Claudio (author), Hoogendoorn, S.P. (author)
This paper extends an existing linear quadratic model predictive control (LQMPC) approach to multi-destination traffic networks, where the correct origin-destination (OD) relations are preserved. In the literature, the LQMPC approach has been presented for efficient routing and intersection signal control. The optimization problem in the...
journal article 2018
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Yuan, K. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
On freeways, congestion always leads to capacity drop. This means the queue discharge rate is lower than the pre-queue capacity. Our recent research findings indicate that the queue discharge rate increases with the speed in congestion, that is the capacity drop is strongly correlated with the congestion state. Incorporating this varying...
journal article 2017
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Yuan, K. (author), Knoop, V.L. (author), Leclercq, Ludovic (author), Hoogendoorn, S.P. (author)
journal article 2017
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Han, Y. (author), Hegyi, A. (author), Yuan, Y. (author), Hoogendoorn, S.P. (author), Papageorgiou, Markos (author), Roncoli, Claudio (author)
In this paper we develop a fast model predictive control (MPC) approach for variable speed limit coordination to resolve freeway jam waves. Existing MPC approaches that are based on the second-order traffic flow models suffer from high computation load due to the non-linear and non-convex optimization formulation. In recent years, simplified...
journal article 2017
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Han, Y. (author), Yuan, Y. (author), Hegyi, A. (author), Hoogendoorn, S.P. (author)
This paper proposes an extension of the discrete Lighthill–Whitham–Richards model of the cell transmission model type to reproduce capacity drop and the propagation of jam waves. Recent studies have tried to incorporate the capacity drop into discrete first-order traffic flow models for traffic optimization purposes. It was found that the inflow...
journal article 2016
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Yuan, Y. (author), Hoogendoorn, S.P. (author)
In big cities, the proportion of slow-mode (such as pedestrian) flows in total trip demand is steadily growing every year. Along with this trend, many concerns arise about accessibility and safety. The monitoring and the management of pedestrians serve as a potential solution to maintain the resilience of the transport network. Monitoring and...
journal article 2016
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Gavriilidou, A. (author), Daamen, W. (author), Yuan, Y. (author), Hoogendoorn, S.P. (author)
Operational cycling behaviour is greatly understudied, even lacking a definition of what this behavioural level actually entails in terms of decision making. In this paper, we define the cyclist operational level and argue that it consists of two intertwined processes, a mental and a physical process. The mental process refers to path choices...
journal article 2019
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Yuan, K. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
The capacity drop indicates that the queue discharge rate is lower than the free-flow capacity. Studies show that the queue discharge rate varies under different traffic conditions. Empirical data show that the queue discharge rate increases as the speed in congestion increases. Insights into the underlying behavioral mechanisms that cause...
journal article 2017
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Yuan, K. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
Scarce urban space makes urban streets have to be partly shared by cars and cyclists. Traffic flow can be considerably influenced by cyclists, which are comparatively slower than cars. The fundamental diagram (FD) can change greatly, correlating to bike lane length and the cyclist flow. Models for the traffic dynamics on the space-shared streets...
journal article 2019
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Yuan, Y. (author), Goni Ros, B. (author), Poppe, Mees (author), Daamen, W. (author), Hoogendoorn, S.P. (author)
Predicting the bicycle flow capacity at signalized intersections of various characteristics is crucial for urban infrastructure design and traffic management. However, it is also a difficult task because of the large heterogeneity in cycling behavior and several limitations of traditional capacity estimation methods. This paper proposes several...
journal article 2019
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Gavriilidou, A. (author), Wierbos, M.J. (author), Daamen, W. (author), Yuan, Y. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
Cycling research at the operational behavioral level is limited, mainly because of the lack of empirical data. To overcome this data shortage, we performed a controlled, large-scale cycling experiment in the Netherlands. In this paper we describe the methodology for setting up and implementing such an experiment, from the motivation of its...
journal article 2019
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