Briefing session on collapse events near the construction site of the ring road outside Tokyo
Summary of holding results
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- Summary of the results of the briefing session on the collapse event near the construction site of the Tokyo outer ring road
November 17, 2020
East Nippon Expressway Co., Ltd. Kanto Regional Head Office Tokyo Outer Ring Construction Office
Central Nippon Expressway Co., Ltd. Tokyo Regional Head Office Tokyo Construction Office
Ministry of Land, Infrastructure, Transport and Tourism Kanto Regional Development Bureau Tokyo Outer Ring National Highway Office
Thank you for your continued understanding and cooperation in the Tokyo Outer Ring Road Project.
Tokyo Outer Ring Road (Kan-Etsu-Tomei) Main Line Tunnel (Southbound) The contents confirmed by the Expert Committee regarding the ground surface collapse event that occurred near the construction site and the underground cavity confirmed by the surrounding ground survey. We held a briefing session for people living in the vicinity of the sinking area regarding the investigation policy for investigating the cause.
Briefing session outline
③ 15: 30-17: 30
47 visitors
We would like to inform you that we have compiled the main questions and answers we received on the day, except for the items that can be confirmed in the materials. Some of the answers have been updated to the current contents.
We will continue to promptly investigate the cause, and we appreciate your understanding and cooperation.
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