Briefing session on collapse accidents near the construction site of the ring road outside Tokyo
Information session on December 17th and 18th, 3rd year of Reiwa
- Corporate Top
- Notice
- Important notice to customers
- Briefing session on collapse accidents near the construction site of the ring road outside Tokyo Reiwa December 17th and 18th briefing session
February 18, 4th year of Reiwa
East Nippon Expressway Co., Ltd. Kanto Branch Tokyo Gaikan Expressway Office
Central Nippon Expressway Co., Ltd. Tokyo Regional Head Office 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.
Due to the ground surface collapse / cavity accident in the construction of the Tokyo outer ring road (Kan-etsu-Tomei) that occurred in October of the year before last, and the vibration / noise during the tunnel construction, the residents are greatly inconvenienced and anxious. We sincerely apologize for giving it.
We are holding a briefing session for people living in the vicinity of depressions and cavities regarding the status of ground surveys and the status of studies on ground repair.
Briefing session outline
We would like to inform you that we have summarized the main questions and answers we received on the day.
We will continue to focus on monitoring the depressions and cavities and their surroundings, respond appropriately to inquiries from people living in the vicinity, and strive to eliminate anxiety. Thank you for your cooperation.
Information session materials [PDF: 7.5MB]
Summary of questions and answers at the briefing session [PDF: 227KB]
Ground surface displacement measurement result (as of the end of January, 4th year of Reiwa) [PDF: 747KB]
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