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Analysis of Rumble Strips and Driver Fatigue Using Traffic Simulation
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
2008 (English)In: Advances in Transportation Studies, ISSN 1824-5463, Vol. 14, 69-80 p.Article in journal (Refereed) Published
Abstract [en]

The interest in in-vehicle Advanced Driver Assistance Systems (ADAS) is increasing. New systems such as Adaptive Cruise Controls and Collision Avoidance Systems are currently introduced at a rapid pace. ADAS can both substitute and complement traditional infrastructure based safety improving counter measures. To exploit the full potential of these systems, it is necessary to estimate the systems future impact already at early development stages. This paper presents a traffic simulation framework for analysis of the aggregation of individual driver/vehicle behaviour due to ADAS to effects on the traffic system. Application of the simulation framework is exemplified by a study of centre line rumblestrips on rural roads. The effects of physical milled rumble strips are compared to the effects of “virtual” in-vehicle rumblestrips for both alert and sleep deprived drivers. The use of traffic simulation made it possible to study the combined impact of changes in drivers’ free driving speed, reaction time and overtaking behaviour. Indications that the different rumble strips have an impact on average journey speeds were found amongst the simulation results. Changes in safety indicators that can be related to changes in overtaking behaviour were also observed.

Place, publisher, year, edition, pages
2008. Vol. 14, 69-80 p.
Keyword [en]
Advanced driver assistance system, Simulation, Rumble strip, Attention, Speed, Reaction time, Overtaking
National Category
Engineering and Technology
Research subject
20 Road: Traffic engineering, 23 Road: ITS och traffic
Identifiers
URN: urn:nbn:se:vti:diva-6556OAI: oai:DiVA.org:vti-6556DiVA: diva2:676084
Available from: 2008-09-04 Created: 2013-12-05 Last updated: 2016-01-07Bibliographically 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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