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On the Application of Traffic Micro-Simulation To Road Environments in Different Regions
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
Transport and Planning, Civil Engineering and Geosciences, Delft University of Technology.
Transport and Planning, Civil Engineering and Geosciences, Delft University of Technology.
2008 (English)In: Proceedings of the 87th Annual Meeting of the Transportation Research Board, Washington D.C.: Transportation Research Board , 2008Conference paper, (Refereed)
Abstract [en]

New areas of application of traffic micro-simulation models are currently being explored. Examples include analysis of Intelligent Transportation Systems, safety assessments and vehicle emissions studies. Many of these new applications depend on reliable and representative simulated vehicle trajectories. The traffic simulation models used for these applications must therefore model driver/vehicle behavior with greater detail than what is necessary for traditional traffic engineering applications. In this paper, we argue that this increased model complexity may reduce the applicability of the models to other situations with different driver/vehicle behavior. Such situations include simulation of traffici n different countries or regions as well as simulation of road environments with different properties. The objective of the paper is to bring focus to modeling considerations that are important for today’s increasingly detailed traffic micro-simulation applications. Model application to traffic in different regions is exemplified by a case study in which the Rural Traffic Simulator developed in Sweden is applied to simulation of traffic on a Dutch two-lane highway. Simulation of traffic in different regions and new model applications is to a certain extent facilitated by the model calibration and validation. The high level of detail of micro-simulation models may however require use of different modeling assumptions for different applications. Advances in vehicle trajectory measurement techniques will allow developments of more detailed traffic microsimulation models. It is therefore increasingly important that the models are estimated and cross-validated using data sets that are collected in the regions and traffic conditions that the models are developed for.

Place, publisher, year, edition, pages
Washington D.C.: Transportation Research Board , 2008.
Keyword [en]
Micro, Simulation
National Category
Engineering and Technology
Research subject
Road: Traffic engineering, Road: Traffic theory
Identifiers
URN: urn:nbn:se:vti:diva-6551OAI: oai:DiVA.org:vti-6551DiVA: diva2:676091
Conference
87th Annual Meeting of the Transportation Research Board
Available from: 2008-09-04 Created: 2013-12-05 Last updated: 2014-08-28Bibliographically 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.
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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