Publikacje

Abstract:

This article presents research results from the OKTAL driving simulator on drivers’ reaction time in emergency braking situations. The study included 41 drivers aged 21 to 67. In the analysed situation, the driver’s task was to react when a pedestrian entered the crosswalk from the right side behind parked vehicles, further limiting visibility. Acceleration pedal reaction times ranged from 0.15 to 0.6 seconds, brake pedal reaction time from 0.35 to 1.2 seconds, and psychomotor reaction time was between 0.25 and 0.75 seconds. The results were analysed considering the period of drivers’ possession of driving licenses and their declared monthly mileage. Due to the duration of license possession, the highest median reaction time, both on the acceleration pedal (0.45 s) and psychomotor reaction (0.5 s), were noted in the group of drivers with more than 10 years of driving experience. In the case of brake pedal reaction, the median for individuals with licenses below 5 years and over 10 years was higher than for those with 6-10 years of experience, reaching 0.85 seconds. Regarding the declared monthly mileage, the median for both acceleration pedal reaction time (0.42 s) and brake pedal reaction time (0.85 s) was higher for individuals who drove an average of up to 1000 km per month, while the median for psychomotor reaction time was higher for those driving more than 1000 km per month (0.45 s). The analysis also considered the participants’ speed at the moment when the pedestrian entered their field of vision.

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Analysis of drivers' reactions at pedestrian crossings – vehicle simulator studies