Joshin-Etsu Expressway Saku IC to Usui Karuizawa IC (In-bound line)
About disaster suspension

NEXCO EAST Kanto Regional Head Office (Taito-ku, Tokyo) closes the Joshin-Joshin-Etsu Expressway between Saku IC and Usui Karuizawa IC (In-bound line).

This closure is due to the fact that the embankment slope near the entrance of the Happuyama Tunnel on the Nagano side has been confirmed and is still in progress.It does not immediately affect the Expressway main line, but customers The highest priority is to ensure the safety of traffic, and we will continue to suspend traffic for the time being.

We apologize for the inconvenience, and we appreciate your understanding and cooperation.

1 Traffic regulation status

2 Summary of currently confirmed changes

Deformation site: Joshinetsu Expressway Saku IC-Usui Karuizawa IC (In-bound line) around 62.4KP (Kosaka, Saku City, Nagano Prefecture)
Deformation situation: There is a crack (maximum width of 80 cm at the block stacking place) on the embankment slope and the control passage, and the progress continues.

3 Guidance on closed sections and detours

As for the detour of the section, please use general national highway No. 18 between Saku IC and Matsuida Myogi IC, and general national highway No. 254 between Saku IC and Shimonita IC.

In addition, when using general national highway No. 18, the detour takes about 60 minutes, which is about 35 minutes longer than when using the Expressway. In addition, if you use general national highway 254, it will take about 65 minutes to detour, and it will take about 30 minutes longer than when using the Expressway, so please take time to go.

Regarding connection fare adjustment due to suspension of traffic Attachment [PDF: 47KB] Please refer to the.