A STUDY ON DRIVING ABILITY OF ELDERLY DRIVERS AND THEIR EVALUATION OF TRAFFIC ENVIRONMENT

In recent years, traffic accidents that elderly drivers could not adapt the rapid change of the traffic environment are rapidly increasing. The purpose of this study is to make clear problems of driving circumstance for elderly drivers by means of AHP (Analytic Hierarchy Process). Values of the weight for safety facility, vehicle and road factors which consists of driving circumstance are calculated. However driving ability is extremely different among elderly drivers. This study also aims to make clear the relationship between the amount of information through eyesight and driving attitude or driving ability of the elderly. The analysis was conducted into distribution of eyemarks and kinds and time of attended sight. Also the driving aptitude test “CRT-test” was conducted. Some relationships were obtained on elderly and non-elderly drivers.