[E18] Joshin-Etsu Expressway Sakaki IC - Koshoku JCT (upper and lower lines) and
Matsuida Myogi IC ⇒ Usui Karuizawa IC (Out-bound line)
Notice of all-day lane restrictions due to renovation work

The latest regulatory information isDraTraPlease see.

PDF version [PDF: 786KB]

NEXCO EAST Nagano Construction Office (Nagano City, Nagano Prefecture) is located in Nagano Prefecture by E18 Joshin-Etsu ExpresswayThe Out-bound between the Sakaki Interchange (hereinafter referred to as "IC") in "Joshinetsu Expressway") to the upper and lower lines of Sarahani Junction (hereinafter referred to as "JCT") and from Matsuida Myogi IC to Usui Karuizawa ICLane restrictions will be implemented all day due to renewal work on the line. We apologize for any inconvenience this may cause, but we ask that you comply with the speed limit within the restricted area and cooperate in driving safely.
In addition, traffic congestion is expected to occur due to lane restrictions throughout the day. Customers who plan to use the applicable sectors are requested to change the usage time zone and allow plenty of time. We apologize for any inconvenience this may cause, but this is necessary for the safe and comfortable use of the Expressway, so we ask for your understanding and cooperation in the construction.

1. 1. Overview of lane regulations

【supplement】

• The traffic regulation period may change depending on the progress of construction.
• Please check the latest traffic information before departure, as actual traffic conditions may differ from forecasts due to accidents, weather, etc.

2. Construction details

The content of the construction regulations in number ① is to replace concrete floor slabs that have been damaged due to aging and the increase in large vehicles, etc., with new, more durable prestressed concrete slabs.

Floor slab replacement work image photo

• The photo is an example of floor slab replacement work in Nagano Expressway.

The content of the construction regulations in the number ② section is to reinforce the road surface upheaval and damage due to the expansion of the ground in the tunnel. In order to create a stronger ring-shaped structure for the tunnel, which is subject to excessive force from the ground, an invert is installed to improve stability.

Image photo of tunnel reinforcement work

3. Requests when using

1. The construction section will have lane restrictions throughout the day. In some sections, traffic congestion is predicted starting at the construction site, so please leave with plenty of time to spare.
2. Since the lanes and road shoulders are narrow, please observe the speed limit when driving, secure a distance between vehicles, and be careful of rear-end collisions. In addition, lanes will change significantly before and after the restricted section, so please follow the local guidance signs.
3. Vehicles for construction work may enter and leave the area around the construction site, so please be careful when traveling ahead.
4. During the construction period, we will provide traffic congestion information using LED information boards, provide construction regulation information using road information boards and road signs, and call attention to driving safely. Please check this information before driving and drive safely.

Image of information provision image around the construction site

Four. Requests when passing special vehicles

​Special vehicles exceeding 3.0 m in width cannot pass through the section where the all-day lane regulation is applied. Customers using the service, please take a detour to the surrounding roads.
Also, please note that if you have obtained a special vehicle traffic permit ^(*) only for Expressway routes, you will also need to obtain a permit for general roads.

1. What is special vehicle passage permission?
   Based on the Road Law and the Vehicle Restriction Ordinance, this is a permit required for special vehicles that exceed general restrictions (length, weight, vehicle width, etc.) to pass on public roads.

Five. How to get traffic information

• "DraPla", a site full of useful information on Expressway nationwide
  https://www.driveplaza.com/
• Expressway traffic information service "Drive Traffic (DraTra)"
  
  Real-time information

  https://www.drivetraffic.jp/

  Construction regulation information

  https://www.drivetraffic.jp/construction-regulation
• NEXCO東日本お客さまセンター
  24時間365日オペレーターが応対いたします。
  0570-024-024（ナビダイヤル）　または　03-5308-2424
• Japan Road Traffic Information Center (JARTIC)
  https://www.jartic.or.jp/
  
  National common dial

  050-3369-6666
  （携帯電話短縮ダイヤル　#8011）
  ※全国どこからでも最寄りの情報センターに接続します。

  Nationwide/Kanto Koshinetsu information

  050-3369-6600

  Nagano Information

  050-3369-6620
• LINE Official Account
  
  • NEXCO EAST (@e-nexco)
    We inform you about the traffic closure situation in NEXCO EAST jurisdiction.

  

  • Joshinetsu Expressway Sakaki IC - Koshoku JCT Traffic information (@e_nexco_kanto_jo)
    You can check the latest traffic information and transit time from Sakaki IC to Koshoku JCT.
    * This is a limited-time account only during the construction period.

  
• Twitter official account
  "NEXCO EAST (Kanto)" (@e_nexco_kanto) also distributes traffic information.
• Highway radio
  Highway radio (AM1620kHz)
  Broadcasting sections are indicated by signs on the Expressway
• Highway Information Terminal
  Wide-area road traffic information is notified on the monitor screen installed in SA / PA.