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2. 内閣府:「令和2年度版交通安全白書」(2020)
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4. イタルダ・インフォメーション:「高齢者の四輪運転中の事故」, 交通事故総合分析センター, Vol. 68 (2007)
5. (3) K. Kuwata : “Study on Analytical Method of Older Driver’s Occur Frequently Accident Types”, Journal of Society of Automotive Engineers of Japan, Vol. 69, No. 1, pp. 90-95 (2015) (in Japanese)