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A Model for Traffic Simulation of Flared Rural Road Intersections
Department of Transportation and Logistics (ToL), Stockholm, Sweden.
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, Faculty of Science & Engineering. (Trafiksystem)ORCID iD: 0000-0002-0336-6943
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, Faculty of Science & Engineering. (Trafiksystem)ORCID iD: 0000-0001-9635-5233
2015 (English)In: Transportation Research Procedia, ISSN 2352-1465, Vol. 6, no 2015, 239-258 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents a micro-simulation model that takes flared design of rural intersections into consideration. The intersection model is designed with input parameters that describe the geometric conditions of the flare. The behavior model includes both a traditional gap-acceptance sub-model and a passage model for modelling of vehicles’ possibility to pass other vehicles using the flare. The intersection model developed has been implemented in the traffic micro simulation model RuTSim. The gap-acceptance part of the model has been calibrated using data for stop and yield 3-way intersections. The validation was performed by using video recordings to calculate delay for the yield regulated intersection and time in queue and service time for the stop regulated intersection. The results from the validation simulations correspond well with the empirical validation data. The effect of the flare on delay has been studied by using 3 different intersection lay-outs and different levels of minor and major flow. The result shows that the delay is decreasing with increasing intersection radius.

Place, publisher, year, edition, pages
2015. Vol. 6, no 2015, 239-258 p.
Keyword [en]
micro simulation, intersection, non-discrete, flare, gap-acceptance, rural
National Category
Transport Systems and Logistics
Identifiers
URN: urn:nbn:se:liu:diva-120781DOI: 10.1016/j.trpro.2015.03.019ISI: 000380490100019OAI: oai:DiVA.org:liu-120781DiVA: diva2:848417
Funder
TrenOp, Transport Research Environment with Novel Perspectives
Available from: 2015-08-25 Created: 2015-08-25 Last updated: 2016-09-16

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Olstam, JohanTapani, Andreas
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