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電動アシスト自転車の
  データ公開を!
           石黒猛雄
            守真弓
           坪井敬子
           佐藤宏之
JCEJ×GLOCOM データジャーナリズム実践 データから社
   会問題を発見する「電動アシスト自転車チーム」
サマリ
• 取材テーマ
  – 電動アシスト自転車急拡大の功罪

• データの扱い→何がニュース?
  – 地域毎の普及状況データ×事故データ=地域の実情にあわせてど
    う事故対策するか?
  – 地域毎の普及状況データ×商業データ=商圏がどう拡大したか?
  – 地域毎の普及状況データ×駐輪場データ=駐輪場の整備は間に
    合っているか?
  – 地域毎の普及状況データ×健康データ=健康増進施策は?

• 実装案
  – …
電動アシスト自転車
• 原付よりも売れている(平成23年 電動アシスト429,569台、バイク
  が405,553台)
• 売り上げ増加率(年増加率約20%)




                        (図の出典)山中明彦「電動アシス
ガソリンを使わずエコ(ただし電気は使う)    ト車の事故分析」
子育て世代、高齢者のニーズに応える       http://www.itarda.or.jp/ws/pdf/h22/13_
                        02dendoasist.pdf
電動アシスト自転車の致死率は高い

• 電動アシスト車は、死傷事故時の致死率
  は自転車の約6倍(原付の約5倍)
• 出会い頭事故が多い(スピードが出るた
  めと思われる)




  (参考・出典)山中明彦「電動アシスト車の事故分析」
  http://www.itarda.or.jp/ws/pdf/h22/13_02dendoasist.pdf
欲しいデータ
• 市町村別、地域毎の保有台数(県警・警
  視庁による防犯登録データ)
 – 登録時に電動アシスト自転車であるという区
   分も明確にして登録できないか?
 – 原付の登録数のデータは市町村毎に保有して
   いるはず

 →自分の住む地域の実態が明確になる
データがあれば分析できることが拡大
• 電動アシスト自転車の普及は、商圏を拡大してい
  るか?
 – 行動範囲が4倍になるとの試算がある

• 高齢者の介護予防につながっているか?

• 普及実態にあった駐輪場の拡充
 – 大きさが普通の自転車と異なるので収容できないと
   ころもある
 – 内閣府「駅周辺における放置自転車等の実態調査の
   集計結果」の詳細情報の公開に期待

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Data journalism 電動アシスト自転車チーム発表スライド