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Hoogendoorn, S.P. (author), Immers, L.H. (author), Van Katwijk, R. (author), Knoop, V.L. (author), Schuurman, H. (author), Taale, H. (author), Wilmink, I.R. (author)
report 2014
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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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De Jong, D.M. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
lecture notes 2013
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Knoop, V.L. (author), Hoogendoorn, S.P. (author)
Verkeersmodellen worden gebruikt om de verkeerssituatie te voorspellen. Daarbij zijn twee dimensies van belang: het detailniveau van het model en de beschikbare rekentijd. Dit artikel analyseert de beide dimensies en de argumenten aan om voor een bepaald niveau te kiezen. Het artikel geeft voorbeelden van beschikbare modellen, maar gaat bovenal...
lecture notes 2013
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Goni Ros, B. (author), Knoop, V.L. (author), Van Arem, B. (author), Hoogendoorn, S.P. (author)
Sags are freeway sections along which gradient changes significantly from downwards to upwards. Sags are often bottlenecks in freeway networks. Capacity decreases due to changes in car-following behavior. We present a microscopic traffic flow model that describes driving behavior and traffic flow dynamics at sags. The model includes a new...
lecture notes 2013
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van Erp, P.B.C. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
This article presents a procedure to estimate the macroscopic traffic state in a pre-defined space-time mesh using relative flow data collected by stationary and moving observers. The procedure consist of two consecutive and independent processes: (1) estimate point observations of the cumulative vehicle number in space-time, i.e., N(x, t),...
journal article 2018
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Leclercq, L (author), Knoop, V.L. (author), Marczak, F (author), Hoogendoorn, S.P. (author)
journal article 2016
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Immers, B. (author), Taale, H. (author), Hoogendoorn, S.P. (author), Wilmink, I. (author), Van Katwijk, R. (author), Knoop, V.L. (author), Schuurman, H. (author)
journal article 2014
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Knoop, V.L. (author), van Lint, J.W.C. (author), Hoogendoorn, S.P. (author)
journal article 2015
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van Erp, P.B.C. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
Traffic state estimation is a crucial element in traffic management systems and in providing traffic information to road users. In this article, we evaluate traffic sensing data-based estimation error characteristics in macroscopic traffic state estimation. We consider two types of sensing data, that is, loop-detector data and probe speed...
journal article 2017
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Knoop, V. (author), Van Zuylen, H. (author), Hoogendoorn, S. (author)
Robustness of a network is a main objective for road network managers these days, and has therefore become an important study area for transportation scientists. This article discusses one specific aspect in assessing road network robustness: the consequences of the closure of a link. These spillback effects have been examined in a dedicated...
journal article 2008
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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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Hoogendoorn, S.P. (author), Daamen, W. (author), Knoop, V.L. (author), Steenbakkers, Jeroen (author), Sarvi, Majid (author)
The Macroscopic Fundamental diagram (MFD) has proven to be a powerful concept in understanding and managing vehicular network dynamics, both from a theoretical angle and from a more application-oriented perspective. In this contribution, we explore the existence and the characteristics of the pedestrian Macroscopic Fundamental Diagram (p-MFD)...
journal article 2017
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Knoop, V.L. (author), Hoogendoorn, S.P. (author)
Microscopic and macroscopic dynamic traffic models not fast enough to run in an optimization loop to coordinate traffic measures over areas of twice a trip length (50x50 km). Moreover, in strategic planning there are models with a spatial high level of detail, but lacking the features of traffic dynamics. This paper introduces the Network...
journal article 2015
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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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Knoop, V. (author), Hoogendoorn, S. (author), Adams, K. (author)
Incidents cause a large part of the delays in road networks. This is caused by a decrease of the capacity at the incident site. A detailed knowledge of the queue discharge rate can improve for instance the traffic prediction and thereby improve delay information or routing advice. Therefore, this study determines the queue discharge rate for...
journal article 2009
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Hoogendoorn, S.P. (author), Knoop, V.L. (author)
In deze tutorial bespreken we de nieuwste inzichten op het gebied van netwerkdynamica. En nu eens niet op de traditionele manier, waarbij we proberen om een verkeersnetwerk in al haar detail zo nauwkeurig mogelijk te analyseren, modelleren en simuleren. Nee, in deze bijdrage zullen we juist vanuit vogelperspectief naar de verkeersafwikkeling in...
journal article 2013
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Knoop, V.L. (author), Hoogendoorn, S.P. (author), Van Zuylen, H. (author)
This paper investigates to what extent travellers change their route when faced with unexpected traffic situation. To this end, traffic data from days with serious incidents are analysed in this contribution. The flows retrieved from loop detectors on the routes past the incident and on alternative routes are compared with the same values on...
journal article 2010
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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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