Effect of the Hokkaido Nansei-oki Earthquake on variation of travel demand.

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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.
公益社団法人土木学会の論文