“…Firstly, older road users tend to make failure more in comparison with younger age groups, especially where the traffic condition is complicated 45), 84) such as at intersection 69), 73) . Secondly, regarding the situation of the failure, older people are more frequently involved in failure while making a turn 77), 78) , yielding 69), 74) , stopping 69), 73) , crossing 82) and in comparison with younger ones, elderly are tend to overrepresented in crashes under the "safe" conditions such as at low speed limits, in daylight, when traffic is low, good weather, and when the road is dry 81) . Thirdly, failures of elderly travelers made are frequent due to neurological and physical declines such as vision impairments 69), 82) , physical strength declines 41), 70) , physiological changes 60) , etc.…”