{"id":15523,"date":"2026-06-02T00:55:29","date_gmt":"2026-06-02T00:55:29","guid":{"rendered":"https:\/\/okuhida.or.jp\/?post_type=topics&#038;p=15523"},"modified":"2026-06-02T00:55:29","modified_gmt":"2026-06-02T00:55:29","slug":"%e5%9b%bd%e9%81%93158%e5%8f%b7-%e5%a5%88%e5%b7%9d%e6%b8%a1%e6%94%b9%e8%89%af-%e6%96%b0%e5%85%a5%e5%b1%b1%e3%83%88%e3%83%b3%e3%83%8d%e3%83%ab%e5%b7%a5%e4%ba%8b%e3%81%a0%e3%82%88%e3%82%8a%ef%bc%88","status":"publish","type":"topics","link":"https:\/\/okuhida.or.jp\/en\/p\/topics\/%e5%9b%bd%e9%81%93158%e5%8f%b7-%e5%a5%88%e5%b7%9d%e6%b8%a1%e6%94%b9%e8%89%af-%e6%96%b0%e5%85%a5%e5%b1%b1%e3%83%88%e3%83%b3%e3%83%8d%e3%83%ab%e5%b7%a5%e4%ba%8b%e3%81%a0%e3%82%88%e3%82%8a%ef%bc%88\/","title":{"rendered":"National Route 158 Nagawado Improvement Project Shin-Iriyama Tunnel Construction Report (Issue No. 16, June 2026)"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u56fd\u9053158\u53f7 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