Complementary Relationship of High Speed Transportation in the Great East Japan Earthquake and Trends in the Reconstruction Period

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  • 東日本大震災での高速交通機関の補完関係と復興期における動向
  • ヒガシニホン ダイシンサイ デ ノ コウソク コウツウ キカン ノ ホカン カンケイ ト フッコウキ ニ オケル ドウコウ

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Abstract

<p>　The purpose of this paper is to clarify the “complementary relationship” between the Shinkansen and expressways at the time of the Great East Japan Earthquake, and to examine the trends of the restored Shinkansen and expressways during the recovery period.　In the Great East Japan Earthquake, a very large area was affected compared to the Great Hanshin-Awaji Earthquake and the Chuetsu Earthquake.　Although the Tohoku Shinkansen was restored quickly for the scale of the disaster, it took 49 days to resume full operation and six months to restore the normal schedule.　On the other hand, immediately after the earthquake, the expressway played a role as a “road of life” and the north-south axis was restored one day after the disaster by the “tooth of the comb” strategy.　For about a week after the earthquake, the highway buses and airplanes collaborated with each other to replace the Shinkansen.　In the reconstruction period, the number of passengers on the Tohoku Shinkansen increased.　In addition, the construction of expressways was accelerated nationwide after the earthquake.　The Shinkansen and expressways in the affected areas were regarded as “symbols of reconstruction”.　However, the detailed process of how the Shinkansen and expressways contributed to the reconstruction of the disaster area needs to be studied in the future.</p>

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