Drivers’ response time means that drivers act after a judgment is made when an emergency action signal is needed. Drivers have different feelings while driving, and the response time to sudden situations differs. The main purpose of this study was to verify whether the mean reaction time of professional drivers is at the level of one second, which is the value usually used for practical purposes, and to verify the impact of age on the reaction times of drivers. Two different studies with a total of 120 participants—professional drivers—were conducted on the simulator, with 116 drivers participating in the first experiment and four drivers participating in the second experiment using eye-tracking technology. The determination of the mean reaction time was realized using statistical tests. The evaluation of the impact of age on the reaction time of professional drivers was carried out using statistical testing, a regression model, and clustering. The results of this study can be immediately used in practice for professional drivers, as the mean reaction time is usually used as a benchmark in several calculations in transport, for forensic and educational purposes, and for planning traffic and modelling different traffic situations.
The aim of the work is to analyze violations of social regulation in road freight transport and to propose solutions to prevent these violations. In the first part, we devoted ourselves to the processing of knowledge about road freight transport based on the legislation of the European Union, which is directly oriented to the conditions for the operator of road freight transport with vehicles over 3.5-tons of total weight. Since compliance with the rules also comes with their violations, it is also necessary to consider the traffic accident rate in road freight transport, we specifically identified and compared the traffic accident rate in road freight transport based on traffic accident statistics published on the website of the Ministry of the Interior. In the second part, we gradually processed and evaluated a questionnaire survey, which consisted of questions focused on the violation of social legislation by drivers. In the final part of the work, based on the analysis from the first part of the work and the results from the questionnaire survey in the second part, we proposed solutions to prevent the most frequent violations of social legislation by drivers and carriers.
In our paper, we have analyzed and compared fixed and actuated control at a chosen intersection, where we pointed out the importance of actuated control and its benefits. We have used traffic data from sensors in the roadway. The intersection was modelled in Aimsun, where we performed simulations. The research focused mainly on the impact of actuated control on the basic characteristics of the traffic flow, delay time and emissions. The outputs of simulations showed positive results of actuated control in all compared values. The environmental pollution topic is up-to-date and road transport has a significant impact on it. Furthermore, we want to continue with our research to investigate the impact of speed changes on emission production and the smoothness of the traffic flow under fixed and actuated control.
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