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#Railway #YumeshimaStation #YumeshimaExtension The tunnel that was built for the extension was finally used after 15 years, but for some reason, it became impossible to run trains on it. Reference material "Kinki Quarterly" 12, Kinki Bank Examination Department, 1992. Foundation Works General Civil Engineering Research Institute 2023,7 [Project name] Port Railway Development Project (Hokko Technoport Line) <Reevaluation 3rd time>] Osaka Port Bureau Reiwa 4 Geospatial Information Authority of Japan I will add it later. [Additional note] The Yumesaki Tunnel was originally designed to assume subsidence, and it is specially designed to prevent seawater from flowing into the joints even if subsidence actually occurs. --------------------------------▼Support here "Doneru" https://doneru.jp/yama_train We are grateful for the many support we have received. All of the funds will be used for travel expenses and equipment expenses. We would like to continue to feature the construction of railway tunnels, subways, and underground stations across the country, so please look forward to it. BGM - The Garden of Sacred Tree - Panda in the Panda