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Versatile Model for Simulation of Rural Road Traffic
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology. (Trafiksystem)ORCID iD: 0000-0001-9635-5233
2005 (English)In: Transportation Research Record, ISSN 0361-1981, no 1934, 169-178 p.Article in journal (Refereed) Published
Abstract [en]

In many countries the road mileage is dominated by rural highways.For that reason it is important to have access to efficienttools for evaluation of the performance of such roads. For otherroad types, e. g., freeways and urban street networks, a wealth ofmicro-simulation models is available. However, only a few modelsdedicated to rural roads have been developed. None of thesemodels handles traffic flows interrupted by intersections or roundabouts,nor are the models capable of describing the traffic flow onrural roads with a cable barrier between oncoming lanes. Theseare major drawbacks when Swedish roads, on which cable barriersand roundabouts are becoming increasingly important, aremodeled. Moreover, as new areas of application for rural roadsimulation arise, a flexible and detailed model is needed. Suchapplications include, among other things, simulation of driver assistancesystems and estimation of pollutant emissions. This paperintroduces a versatile traffic micro-simulation model for the ruralroads of today and of the future. The model system presented,the Rural Traffic Simulator (RuTSim), is capable of handling allcommon types of rural roads, including the effects of roundaboutsand intersections on the traffic on the main road. The purpose ofthe paper is to describe the simulation approach and the trafficmodeling used in RuTSim. A verification of the RuTSim model isalso included. RuTSim is found to produce outputs representativeof all common types of rural roads in Sweden.

Place, publisher, year, edition, pages
2005. no 1934, 169-178 p.
Keyword [en]
Intersections; Microsimulation; Roundabouts; Rural highways; Traffic flow; Traffic models; Traffic simulation; Sweden; Cable barriers
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-12420DOI: 10.3141/1934-18OAI: diva2:51
Available from: 2008-09-04 Created: 2008-09-04 Last updated: 2014-11-28Bibliographically 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.
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 1211
Microscopic traffic simulation, Rural Traffic Simulator(RuTSim)
National Category
Engineering and Technology
urn:nbn:se:liu:diva-12428 (URN)978-91-7393-806-8 (ISBN)
Public defence
2008-10-03, TP1, Täppan, Campus Norrköping, Linköpings universitet, Norrköping, 13:15 (English)
Available from: 2008-09-25 Created: 2008-09-04 Last updated: 2014-11-28Bibliographically approved

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Tapani, Andreas
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