A QUANTITATIVE STUDY ON REVITALIZATION OF INTERREGIONAL EXCHANGE ON TRUNK RAILWAY NETWORK BY MODIFYING OF IMPROVEMENT SCHEME

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  • 整備スキーム改善による幹線鉄道網における地域間交流活性化に関する定量的研究

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More than forty years have passed after establishment of Nationwide Shinkansen Railway Development Act and some parts of the first plan have gradually been getting under construction. But Japan's recent improvement scheme of trunk railway is different from European countries. Japan's framework contains only construction of brand-new high-speed line. There exists exceptional method as widening of truck gauge, high-speed line with narrow gauge, or truck upgrading of conventional line, however, it is not clear that to what extent combination of these methods can improve the network.<br>In this study, trunk railway network was optimized by genetic algorithm on the premise of population distribution in 2040 and passenger flow OD in 2010. As a result, modifying of improvement scheme can revitalize interregional exchange on trunk railway network and augment its diversity.

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