The latest regulatory information isDraTraPlease see.

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NEXCO EAST Kazo Management Office (Kazo City, Saitama Prefecture) and Saitama Construction Office (Saitama City, Saitama Prefecture) are located on the C4 Ken-o Expressway (hereinafter referred to as "Ken-O Ken-O Road") at Kuki Shiraoka Junction (hereinafter referred to as "Kuki Shiraoka"). "JCT") ~ Joso Interchange (hereinafter "IC") repair work of road structures and pavement, and lane switching work due to 4 lane expansion between Sakai Koga IC and Bando IC scheduled to open in 2022 Therefore, night traffic closures will be implemented.
In addition, please be careful when driving because the lane you are driving will change after the road closure is lifted. (Refer to Attachment-1 [PDF: 225KB])
In addition, from November onwards, we plan to gradually close traffic at night until the four-lane construction is completed.
We apologize for the inconvenience, but we ask for your understanding and cooperation so that you have plenty of time when you go out.

1. Closed section, date and time

1. Closed section: Ken-O Ken-O Road (inside and outside) Kuki-Shiraoka JCT-Joso IC




• From the Ken-O Ken-O Road (Hachioji area) to the Tohoku Expressway (Utsunomiya area / Tokyo area) and from the Tohoku Expressway (Tokyo area / Utsunomiya area) to the Ken-Ken-O Road (Hachioji area), it is possible to pass.
• It is possible to go straight on the Tohoku Expressway.
• Attached to each line C4 The indications such as indicate the route number (numbering) of Expressway.
2. Closed date and time
   Implementation date:

   September 26th (Monday) -28th (Wednesday), 4th year of Reiwa

   From 20:00 each day to 5:00 the next morning

   Preparation day:

   September 29th (Thursday) to 30th (Friday), October 3rd (Monday), 2022

   From 20:00 each day to 5:00 the next morning

2. Detour

Please refer to Attachment-2 [PDF: 195KB] for the detour.

Detours will increase the time required, so please take time to go out.

3. Regarding transit adjustments due to suspension of traffic

For customers who temporarily flow out of the Expressway due to road closures, detour around the road closure section, re-enter and transfer in the forward direction, we will implement "connection adjustment" to adjust the toll according to the section used. increase. (Refer to Attachment-3 [PDF: 299KB])

Transfer designated IC

• Hasuda Smart IC In-bound line is limited to ETC cars of all models (12m or less), and Out-bound line is limited to ETC cars of ordinary cars or less.

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

Between Ken-O Ken-O Road Kuki-Shiraoka JCT and Joso IC, repair and inspection of road structures, pavement repair work for damaged road surfaces, and work for lane switching accompanying the expansion of Ken-O Ken-O Road to 4 lanes (installation of temporary protective fences) , road marking installation work, etc.).
These construction works cannot be carried out under normal lane regulations, so it is necessary to carry out the work while the road is closed. Therefore, in order to minimize inconvenience to customers, we will close the road at night on weekdays when there is little traffic, and carry out construction work intensively and efficiently.
We ask for your understanding and cooperation as this work is necessary for customers to use the Expressway safely and comfortably.

Five. How to obtain traffic information

(1) Guidance by distribution / posting

• Notice signs, posters and leaflets will be posted at toll booths and rest facilities nearby.
• A banner will be posted on the overpass on the Expressway.

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

• NEXCO東日本お客さまセンター（24時間オペレーターが対応）
  ナビダイヤル：0570-024-024
  または：03-5308-2424
• NEXCO EAST Expressway Traffic Information Site "DraTra"
  
  Real-time information

  [PC] https://www.drivetraffic.jp/

  [Mobile] http://m.drivetraffic.jp/

  Construction regulation information

  [PC] https://www.drivetraffic.jp/construction-regulation
• 日本道路交通情報センター（JARTIC）　道路交通情報
  全国共通ダイヤル　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。
  全国・関東甲信越情報　050-3369-6600
  埼玉情報　050-3369-6611
  茨城情報　050-3369-6608
  【PC】https://www.jartic.or.jp/

(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 VICS-compatible car navigation and other on-board devices.

• Information is also distributed on the official Twitter account.
  " NEXCO EAST (Kanto)" (@e_nexco_kanto) Real-time traffic information
  " NEXCO EAST (Kanto construction regulations)" (@e_nexco_kanto_k) Judgment regarding implementation of construction regulations