About the depression of the ground surface near the construction site of the Tokyo outer ring road (Kan-etsu-Tomei) [11th report]

  • Corporate Top
  • Press Room
  • Press Release Kanto Regional Head Office
  • About the depression of the ground surface near the construction site of the Tokyo outer ring road (Kan-etsu-Tomei) [11th report]

November 27, 2020
East Nippon Expressway Co., Ltd. Kanto Regional Head Office

Tokyo Outer Ring Road (Kan-Etsu-Tomei) Main Line Tunnel (Southbound) Regarding the new underground cavity confirmed by the ground survey around the ground surface depression that occurred near the construction site, "Examination of Tokyo outer ring tunnel construction, etc." "Committee of Experts Committee" was held.
Please see here for an overview of the results.

Related Sites and Content

Driver's site (DraPla)

If you are looking for information on fares, routes, service areas and parking areas, please click here.

Drive Traffic (DraTra)

If you are looking for real-time traffic congestion and restriction information, click here.

NEXCO EAST (Road Disaster Prevention Information) Official X

Click here if you are looking for road information such as road closures during disasters.