Study of Reflective Materials to Prevent Traffic Accidents by Elderly Drivers

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  • 高齢ドライバーによる交通事故防止のための反射材の検討
  • コウレイ ドライバー ニ ヨル コウツウ ジコ ボウシ ノ タメ ノ ハンシャザイ ノ ケントウ

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Abstract

<p>For the purpose of preventing traffic accidents for elderly drivers at night, the authors conducted an evaluation experiment on the visibility of reflective materials worn on humans versus the visibility of the humans themselves on 20 female college students who were wearing elderly person simulation glasses. Reflective materials were used in the form of wristbands in five colors: pink, orange, yellow, green, and blue. These materials were attached to the wrist, ankle, and wrist + ankle. The experiment used 150 image samples taken at 10-meter intervals from a distance of 10 to 100 meters on a sidewalk at night. Results showed that the visibility of the reflective material for all of the colors except blue was significantly higher than the visibility of the humans themselves. Evaluating the material by where it is worn on the body, “ankle” and "wrist + ankle" were significantly higher than "wrist", and "wrist + ankle" was significantly higher than "ankle". Results suggest that the visibility effect of reflective materials can be improved not only by considering the color but also by the position in which they are worn.</p>

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