About conduct of suspension of traffic due to earth and sand disaster (the second report)

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  • About conduct of suspension of traffic due to earth and sand disaster (the second report)

August 15, 2008
As of 16:30
East Nippon Expressway Co., Ltd.
Tohoku Regional Head Office

NEXCO EAST Tohoku Regional Head Office (Aoba-ku, Sendai-shi, Regional Head Office president: Mikio Kashima), the Yamagata Expressway Shonai Airport IC-Sakata IC (upper and lower lines) were closed from 1:35 due to the sediment disaster caused by rain. We are.

In addition, due to the occurrence of disasters, the “Tohoku Regional Head Office Disaster Countermeasures Headquarters” is still being implemented.

1 Closing due to landslides

section
Yamagata Expressway Shonai Airport IC-Sakata IC (upper and lower lines)
Address: Hamanaka, Sakata City, Yamagata Prefecture

Image of Yamagata Expressway Shonai Airport IC-Sakata IC (upper and lower lines)

2 Outline of sediment disaster

(1) Location of disaster
Between Shonai Airport IC and Sakata IC (Out-bound line) Cut slope of cut slope 139.6kp

  • There are no injuries or traffic accidents associated with this disaster.

(2) Disaster situation
Although it is just a visual confirmation, the sediment that has run out from the cut soil is accumulated over the upper and lower lines (two lanes).

  • Approximately 50m to 100m for extended deposition
  • The thickness of the accumulated sediment is about 2 to 3 m

Image image of sediment flowing out from the cut section seen from above

Image image of sediment flowing out from the cut section seen from the side

(3) Work status
We are currently working on the removal of sediment.

Image of work to remove sediment

(4) Scheduled to be lifted
There is no prospect of cancellation of suspension of traffic in this section.

[Previous press release materials]

First report (announced at 3:45 am on August 15)