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EFFECT OF THE HOKKAIDO NANSEI-OKI EARTHQUAKE ON VARIATION OF TRAVEL DEMAND

  • Choe Jaeyoung
    社団法人 土木学会 筑波大学 社会工学研究科 大学院
  • Kawashima Kazuhiko
    社団法人 土木学会 東京工業大学 工学部 土木工学科

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Other Title
  • 北海道南西沖地震が交通需要の変動に与える影響
  • ホッカイドウ ナンセイオキ ジシン ガ コウツウ ジュヨウ ノ ヘンドウ ニ

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Abstract

This paper describes the impact of the 1993 Hokkaido Nansei-oki Earthquake on the travel demand in the region affected by the earthquake. Such data is essential for post-earthquake road planning. Questionnaire survey was made to residents who suffered damage at Hiyama district. It was found from the analyses that travel volume for evacuation one hour after the earthquake reached 45.5% of the averaged daily travel volume, and that about 56% of that volume used automobiles. It was also found that travel volume for school and work deceased, while that for business and shopping increased after the earthquake. Multiple classification analyses showed that type of job and age are major factor for causing the variation of travel demand. In particular, variation of travel demand reached more than 80% of the average value in sales, transportation, educational business, and in the ages of 20's and 30's.

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