About the holding of "Tokyo Gaikan Tunnel Construction Review Committee Expert Committee" (October 19, 2020

The 1st Tokyo Gaikan Tunnel Construction Review Committee Held the Expert Committee

October 26, 2020
East Nippon Expressway Co., Ltd.

The first meeting of the "Tokyo Outer Ring Tunnel Construction Review Committee, Expert Committee (Chair: Atsushi Koizumi, Professor Emeritus, Waseda University)" was held as follows.

1 date and time

2020 (Monday) 15: 00-16: 50

2 places

NEXCO EAST Kanto Regional Head Office Tokyo Outer Ring Construction Office Meeting Room

3 Outline of deliberation

  1. About the collapse event that occurred near the Tomei side main line shield (southbound) construction site
    We confirmed the basic concept of the investigation for investigating the cause of this depression event.
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