The third mail survey, conducted before and after the extension of the Hokuriku Shinkansen to Tsuruga, was carried out in September 2025—one and a half years after the extension—targeting 1,200 residents. The response rate reached 30.8%, the highest among the three surveys, compared with 20.0% in the first survey (September 2023) and 26.1% in the second survey (September 2024).Overall trends did not differ substantially from those observed in the second survey. More than 80% of respondents expressed a favorable attitude toward the Shinkansen extension, indicating a sustained high level of positive evaluation. At the same time, approximately half of the respondents reported that they rarely use the Hokuriku Shinkansen, and many did not necessarily evaluate the changes brought to their own daily lives by the extension in a positive manner. Nevertheless, respondents tended to evaluate positively the impacts of the extension on Tsuruga City and on Fukui Prefecture as a whole. An important task for future research is to examine how such resident perceptions are formed, how they are connected to residents’ behavior, and how they may shape the future vision of the region. In particular, this line of inquiry has the potential to provide new criteria for decision-making regarding the Hokuriku Shinkansen section between Tsuruga and Shin-Osaka, where route re-examination is currently under way.
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