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Overtaking assistant assessment using traffic simulation
DHV BV Mobility Department.
Swedish National Road and Transport Research Institute, Society, environment and transport, Traffic analysis and logistics. Linköpings universitet, Kommunikations- och transportsystem.ORCID iD: 0000-0001-9635-5233
Delft University of Technology.
2009 (English)In: Transportation Research Part C: Emerging Technologies, ISSN 0968-090X, Vol. 17, no 6, 617-630 p.Article in journal (Refereed) Published
Abstract [en]

This contribution presents the results of a microscopic traffic simulation study of the potential effects of an overtaking assistant for two-lane rural roads. The overtaking assistant is developed to support drivers in judging whether or not an overtaking opportunity can be accepted based on the distance to the next oncoming vehicle. Drivers have been found to consider this to be a difficult part of an overtaking manoeuvre. The assistants effects on traffic efficiency, driver comfort and road safety have been investigated using traffic simulation. The results indicate that this type of overtaking assistant can provide safety benefits in terms of increased average time-to-collision to the next oncoming vehicle during overtaking manoeuvres. This safety benefit can be achieved without negative consequences for traffic efficiency and driver comfort. A driver assistance system that supports the distance judging part of overtaking manoeuvres can therefore contribute to improved traffic conditions on the two-lane rural roads of the future.

Place, publisher, year, edition, pages
2009. Vol. 17, no 6, 617-630 p.
Keyword [en]
Driver assistance system, Overtaking, Evaluation (assessment), Micro, Simulation, Safety
National Category
Engineering and Technology
Research subject
Road: Traffic engineering, Road: Traffic theory
Identifiers
URN: urn:nbn:se:vti:diva-6578DOI: 10.1016/j.trc.2009.04.010ISI: 000270610700006OAI: oai:DiVA.org:vti-6578DiVA: diva2:676059
Available from: 2013-12-05 Created: 2013-12-05 Last updated: 2014-06-18Bibliographically approved
In thesis
1. Traffic Simulation Modelling of Rural Roads and Driver Assistance Systems
Open this publication in new window or tab >>Traffic Simulation Modelling of Rural Roads and Driver Assistance Systems
2008 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Microscopic traffic simulation has proven to be a useful tool for analysis of varioustraffic systems. This thesis consider microscopic traffic simulation of rural roads andthe use of traffic simulation for evaluation of driver assistance systems.

A traffic simulation modelling framework for rural roads, the Rural Traffic Simulator(RuTSim), is developed. RuTSim is designed for simulation of traffic on singlecarriageway two-lane rural roads and on rural roads with separated oncoming trafficlanes. The simulated traffic may be interrupted by vehicles entering and leaving themodelled road at intersections or roundabouts.

The RuTSim model is applied for analysis of rural road design alternatives.Quality-of-service effects of three alternatives for oncoming lane separation of anexisting Swedish two-lane road are analysed. In another model application, RuTSimis used to simulate traffic on a Dutch two-lane rural road. This application illustratesthat the high level of model detail of traffic micro-simulation may call for use of differentmodelling assumptions regarding driver behaviour for different applications,e. g. for simulation of traffic in different cultural regions.

The use of traffic simulation for studies of driver assistance systems facilitateimpact analyses already at early stages of the system development. New and additionalrequirements are however then placed on the traffic simulation model. It isnecessary to model both the system functionality of the considered driver assistancesystem and the driver behaviour in system equipped vehicles. Such requirements canbe analysed using RuTSim.

In this thesis, requirements on a traffic simulation model to be used for analysisof road safety effects of driver assistance systems are formulated and investigatedusing RuTSim. RuTSim is also applied for analyses of centre line rumble stripson two-lane roads, of an overtaking assistant and of adaptive cruise control. Thesestudies establish that the assumptions made regarding driver behaviour are crucialfor traffic simulation based analyses of driver assistance systems.

Place, publisher, year, edition, pages
Norrköping: Linköping University Electronic Press, 2008. 33 p.
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 1211
Keyword
Traffic, Micro, Simulation, Model, Car following, Rural road, Driver, Fatigue, Rumble strip, Adaptive cruise control, Active safety system, Safety, Evaluation, Overtaking, Traffic lane, Mathematical model, Thesis
National Category
Engineering and Technology
Research subject
Road: Traffic engineering, Road: Traffic theory
Identifiers
urn:nbn:se:vti:diva-6549 (URN)978-91-7393-806-8 (ISBN)
Public defence
2008-10-03, TP1, Täppan, Campus Norrköping, 13:15 (English)
Opponent
Supervisors
Available from: 2014-01-14 Created: 2013-12-05 Last updated: 2014-06-18Bibliographically approved

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