[E18] Joshin-Etsu Expressway Koshoku JCT Emergency Night Closure Notice

令和3年7月16日
東日本高速道路株式会社
長野管理事務所

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NEXCO EAST At the Nagano Management Office (Nagano City, Nagano Prefecture), at E18 Joshin-Etsu Expressway (hereinafter "Joshin-etsu Expressway") Koshoku Junction (hereinafter "JCT"), the damaged road surface An emergency night closure will be carried out for pavement repair work.
We apologize for the inconvenience caused to our customers, but we ask for your understanding and cooperation so that you will have time to spare when you go out.

1. Closed place and date

(1) Closed place

E18 Joshinetsu Expressway Out-bound Line Koshoku JCT (Ramp from Takasaki to Joetsu)

Location map (Koshoku JCT) .jpg

* Attached to each line E18 The indications such as indicate the route number (numbering) of Expressway.

(2) Date and time

令和3年7月16日(金) 夜22時~翌朝5時

2. Detour

As shown in the figure below detour when flows out the Sakaki IC, via the National Highway 18 Nagano Expressway Out-bound Please use the line Koshoku IC.
It is expected that it will take about 30 minutes (usually about 20 minutes) from Sakaki IC to Nagano IC.
The detour will take longer, so please leave plenty of time.

Detour map (Koshoku JCT) .jpg

3.Transfer adjustment due to closure

For customers who temporarily flow out of the Expressway due to night closure, bypass the closed section, re-inflow and transfer in the forward direction, we will implement "transfer adjustment" to adjust the toll according to the section used To do. (Refer to the attached sheet [PDF: 300KB])

Transfer designated IC
Closed point Outflow designation IC Re-inflow designated IC

[Joshinetsu Expressway] (Out-bound line)
Koshoku JCT (Takasaki area ⇒ Joetsu area)

【上信越道】(下り線)
坂城IC、上田菅平IC

[Nagano Expressway] (Out-bound line)
Koshoku IC

[Joshinetsu Expressway] (Out-bound line)
Nagano IC, Suzaka Nagano Higashi IC, Obuse SIC *, Shinshu Nakano IC

* ・ ・ ・ Smart interchange (limited to ETC vehicles)

How to use transit adjustment

    << ETC customers >>
  • Customers using ETC are requested to run the outflow designated IC wirelessly and the re-inflow designated IC wirelessly. (No transit certificate will be issued for ETC vehicles)
  • ETC time zone discount will be applied, considering the transited journey as one.
    Toll charges are adjusted at the time of billing, so they may differ from those displayed at the toll gate.
  • Insert the same ETC card for all journeys and pass through the ETC lane at the tollgate.
    << Customers for cash, etc. >>
  • Customers who pay by cash, etc. should receive the "passage certificate" at the outflow designated IC, and then get the "passport" at the re-inflow designated IC, and then make the "transfer" at the toll booth that pays the fare first. Please give us your "certificate" and "passport".
      《Common to customers such as ETC and cash》
    • If the suspension of traffic is released after the outflow designated IC is released, the fare will be adjusted even if it is re-introduced from the IC (including the outflow designated IC) in the closed road section in the forward direction.

Four. Construction overview

Due to damage to the road surface at the ramp of Joshinetsu Expressway Koshoku JCT, pavement repair work will be carried out urgently. The section where this work is to be carried out is one lane, and it is not possible to carry out the work under normal lane regulations, so it is necessary to close the lamp and carry out the work.
Therefore, in order not to cause any inconvenience to customers, we will close the lamps on weekday nights when there is little traffic, and carry out the construction intensively and efficiently. This work is necessary to use Expressway safely and comfortably, so we ask for your understanding and cooperation.

補修損傷状況
補修損傷状況
Image after construction
Image after construction

Five. How to obtain traffic information

(1) Guidance by distribution / posting

  • A notice sign will be posted on the Expressway.

(2) Road traffic information that can be obtained before going out

(3) Road traffic information available while using the Expressway

  • Road information board
  • Highway radio (AM1620kHz)
    The highway radio section is indicated by signs on the Expressway.
  • Highway information terminal
    We will inform you of road information in an easy-to-understand manner by the monitor screens installed in SA/PA.
  • VICS
    You can get road traffic information with a VICS-compatible car navigation system.

* Official Twitter account "NEXCO EAST (Kanto)" (@e_nexco_kanto) Also distributes information.

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