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The driver behaviours are one of the crucial determinant for the transportation system functioning, especially within the city. They are shaped mainly by driver’s individual perception of reality. Many examples from literature shows, that the perception is strongly associated with a human perception. The process of analysis and understanding of factors affecting driver perception can help with planning more effective and safer transportation facilities, i.e. road infrastructure. The driver reaction time is a parameter which describes a perception and directly affects the road safety. Thus the ability and required accuracy of its measurement is an important element in traffic modeling. In this work the results of microscopic traffic simulation for selected Cracow artery have been presented, considering the fluctuations of the mentioned above parameter . The aim of the studies was to analyze the impact of driver’s reaction time parameter changes on traffic simulation effectiveness. As a result, the importance of potential measurement error of driver reaction time has been presented. Furthermore the effects of conducted research shows the significance level of impact reaction parameter measurement error on the urban traffic simulation model, which is very often a basis for future planning of transportation system elements. The calculations have been performed for selected traffic parameters in the context of statistic compatibility of the model by the use of Aimsun software.
Keywords: driver’s reaction time, perception, measurement accuracy of driver reaction, traffic micro simulation© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.