The latest regulatory information isDraTraPlease see.

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NEXCO EAST Misato Management Office (Misato City, Saitama Prefecture) will be closing the ramps at the interchange (hereinafter referred to as "IC") on the C3 Gaikan Expressway (hereinafter referred to as "Outer Ring Expressway") to carry out pavement repairs and soundproof wall replacement work.
We apologize for any inconvenience this may cause, and we ask for your understanding and cooperation in allowing yourself plenty of time when heading out.

1. Lamp closure location and date and time

• Attached to each line C3 The indications such as indicate the route number (numbering) of Expressway.

2. Construction overview

Work will be carried out on the Outer Ring Road due to damage to the road surface at Wako Kita IC and damage to the soundproof wall at Soka IC.
Since construction work cannot be carried out under normal lane restrictions, it is necessary to close the ramps to carry out the work. Therefore, in order to minimize inconvenience to customers, we will close the ramps at night on weekdays when traffic volume is low, and carry out the work in a concentrated and efficient manner. This work is necessary to ensure that customers can use Expressway safely and comfortably, 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.

(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) Judgment on implementation of construction regulations
  [LINE]
  “NEXCO EAST” (@e-nexco) Weather information and road closures