The latest regulatory information isDraTraPlease see.

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NEXCO EAST Kazo Management Office (Kazo City, Saitama Prefecture) has closed the lights at night at Kazo IC on the E4 Tohoku Expressway (hereinafter referred to as "Tohoku Expressway") to carry out pavement repair work and tree felling work. To do.
We apologize for any inconvenience this may cause to our customers, but we ask for your understanding and cooperation so that you have plenty of time to spare when you go out.

1. Closed location and date and time

• Ramp closure schedule

• Lamp closing position diagram

2. Construction overview

At the Kazo IC entrance ramp Tohoku Expressway, there is a difference in level between the pavement and the after-cast material of the expansion device installed at the joint between two bridges, so we will carry out pavement repair work to eliminate the difference in road surface level.
Similarly, at the Kazo IC exit ramp, trees are becoming taller, so we will carry out cutting work.
As the work cannot be carried out under normal lane restrictions, the ramp must be closed before work can be carried out. Therefore, in order to minimize the inconvenience to customers, the ramp will be closed on weekday nights when traffic is light, and construction will be carried out intensively and efficiently. This work is necessary to ensure safe and comfortable use Expressway, so we ask for your understanding and cooperation.

3. 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
  【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 official X (formerly Twitter) and LINE accounts.
  [X (old Twitter)]
  "NEXCO EAST (Kanto)" (@e_nexco_kanto) Real-time traffic information
  “NEXCO EAST (Kanto Construction Regulations)” (@e_nexco_kanto_k) Decision to implement construction regulations
  [LINE]
  "NEXCO EAST" (@e-nexco) Road closures and weather information