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document
Reddy, N. (author), Hoogendoorn, S.P. (author), Farah, H. (author)
Future traffic will be composed of both human-driven vehicles (HDVs) and automated vehicles (AVs). To accurately predict the performance of mixed traffic, an important aspect is describing HDV behavior when interacting with AVs. A few exploratory studies show that HDVs change their behavior when interacting with AVs, being influenced by...
journal article 2022
document
Razmi Rad, S. (author), Farah, H. (author), Taale, Henk (author), van Arem, B. (author), Hoogendoorn, S.P. (author)
Connected and automated vehicles (CAVs) are expected to enhance traffic efficiency by driving at shorter time headways, and traffic safety by shorter reaction times. However, one of the main concerns regarding their deployment is the mixed traffic situation, in which CAVs and manually driven vehicles (MVs) share the same road. This study...
journal article 2021
document
Razmi Rad, S. (author), Farah, H. (author), Taale, Henk (author), van Arem, B. (author), Hoogendoorn, S.P. (author)
Dedicated Lanes (DLs) have been proposed as a potential scenario for the deployment of Automated and/or Connected Vehicles (C/AVs) on the road network. However, evidence-based knowledge regarding the impacts of different design configurations, utilization policies, and the design of their access/egress on traffic safety and efficiency is...
journal article 2020
document
Varotto, S.F. (author), Farah, H. (author), Bogenberger, Klaus (author), van Arem, B. (author), Hoogendoorn, S.P. (author)
Adaptive Cruise Control (ACC) can reduce traffic congestion and accidents. In dense traffic flow conditions and when changing lanes, drivers prefer to deactivate the ACC. These control transitions between automation and manual driving could impact driver behaviour characteristics. However, few studies have analysed the magnitude and duration of...
journal article 2020
document
Farah, H. (author), Daamen, W. (author), Hoogendoorn, S.P. (author)
On interchanges there are higher probabilities of risky situations compared to uninterrupted motorway sections due to increased speed variability and higher frequency of lane-changes. In this study, we focus on understanding and modelling drivers’ longitudinal speed behavior when negotiating horizontal ramp curves in interchanges in the...
journal article 2019
document
van Beinum, A.S. (author), Farah, H. (author), Wegman, F.C.M. (author), Hoogendoorn, S.P. (author)
In the vicinity of ramps, drivers make route choices, change lanes and in most cases also adjust their speeds. This can trigger anticipatory behaviour by the surrounding vehicles, which are also reflected in lane changes and/or changes in speed. This phenomenon is called turbulence and is widely recognised by the scientific literature and...
journal article 2018
document
Oude Vrielink, Ilse (author), Broeren, Patrick (author), Farah, H. (author), Hoogendoorn, S.P. (author)
Dutch road designers and safety experts are searching for more quantitative methods to evaluate the safety of a (proposed) weaving section than the traditional methods of expert judgement and use of accident records. An alternative would be to determine safety using VISSIM micro-simulation models in combination with the Surrogate Safety...
conference paper 2018
document
Varotto, S.F. (author), Farah, H. (author), Toledo, Tomer (author), van Arem, B. (author), Hoogendoorn, S.P. (author)
Driving assistance systems such as Adaptive Cruise Control (ACC) and automated vehicles can contribute to mitigate traffic congestion, accidents, and levels of emissions. Automated vehicles may increase roadway capacity, improve traffic flow stability, and speed up the outflow from a queue (1). The functionalities of automated systems have been...
conference paper 2018
document
Varotto, S.F. (author), Farah, H. (author), Toledo, Tomer (author), van Arem, B. (author), Hoogendoorn, S.P. (author)
Adaptive Cruise Control (ACC) and automated vehicles can contribute to reduce traffic congestion and accidents. Recently, an on-road study has shown that drivers may prefer to deactivate full-range ACC when closing in on a slower leader and to overrule it by pressing the gas pedal a few seconds after the activation of the system. Notwithstanding...
journal article 2018
document
Varotto, S.F. (author), Farah, H. (author), Toledo, T (author), van Arem, B. (author), Hoogendoorn, S.P. (author)
Automated vehicles and driving assistance systems such as Adaptive Cruise Control (ACC) are expected to reduce traffic congestion, accidents and levels of emissions. Field Operational Tests have found that drivers may prefer to deactivate ACC in dense traffic flow conditions and before changing lanes. Despite the potential effects of these...
conference paper 2017
document
Varotto, S.F. (author), Farah, H. (author), Toledo, Tomer (author), van Arem, B. (author), Hoogendoorn, S.P. (author)
Automated vehicles and driving assistance systems such as adaptive cruise control (ACC) are expected to reduce traffic congestion, accidents, and levels of emissions. Field operational tests have found that drivers may prefer to deactivate ACC in dense traffic flow conditions and before changing lanes. Despite the potential effects of these...
journal article 2017
document
Oude Vrielink, Ilse (author), Broeren, Patrick (author), Farah, H. (author), Hoogendoorn, S.P. (author)
Nederlandse wegontwerpers en veiligheidsexperts zoeken naar meer kwantitatieve methodes om de veiligheid van een (voorgenomen) weefvak te bepalen dan de traditionele methodes die gebruik maken van expert judgement en ongevalsregistraties. Een alternatieve methode is om de veiligheid te bepalen met behulp van VISSIM micro-simulatiemodellen in...
conference paper 2017
document
van Beinum, A.S. (author), Farah, H. (author), Wegman, F.C.M. (author), Hoogendoorn, S.P. (author)
Turbulence in traffic is a commonly known phenomenon, but the exact characteristics of this phenomenon are not yet clear. It reflects individual changes in speed, headways, and lanes in the traffic stream. The currently used freeway design guidelines prescribe different measures for handling turbulence, such as sufficient ramp spacing, and...
conference paper 2016
document
Iliadi, A. (author), Farah, H. (author), Schepers, P. (author), Hoogendoorn, S.P. (author)
Weaving is defined as the crossing of two streams travelling in the same direction along a significant section of the road without the assistance of traffic control devices. Merging and diverging vehicles need to make one or more lane-changes in a limited space and time, determined by the weaving section length. This situation creates intensive...
conference paper 2016
document
van Beinum, A.S. (author), Farah, H. (author), Wegman, F.C.M. (author), Hoogendoorn, S.P. (author)
Turbulence in traffic is a commonly known phenomenon, but the exact characteristics of this phenomenon are not yet clear. Turbulence reflects individual changes in speed, headways, and lanes in the traffic stream. The current freeway design guidelines prescribe measures for handling turbulence, such as sufficient ramp spacing and spacing...
journal article 2016
document
Varotto, S.F. (author), Farah, H. (author), Hoogendoorn, R.G. (author), Van Arem, B. (author), Hoogendoorn, S.P. (author), De Winter, J.C.F. (author)
conference paper 2015
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