[E4] Tohoku Tohoku Expressway Out-bound) Iwatsuki IC ⇒ Kuki Shiraoka JCT
Nighttime road closures due to accident re-inspection

The latest regulatory information isDraTraPlease see.

PDF version 【PDF: 784KB】

　The Saitama Prefectural Police will be conducting a re-inspection of the accident on Out-bound lane of the E4 Tohoku Expressway (hereinafter referred to as "Tohoku Expressway") between Iwatsuki Interchange (hereinafter referred to as "IC") and Kuki Shiraoka Junction (hereinafter referred to as "JCT"), and will be closing the road (for approximately two hours) as detailed below.
We apologize for any inconvenience this may cause, and we ask for your understanding and cooperation in advance and to allow extra time.

1. Closed section and date and time

1. section
   E4 Tohoku Expressway Out-bound Line Iwatsuki IC ⇒ Kuki Shiraoka JCT
2. Date and Time
   Sunday, January 25, 2026, 1:00 AM to 3:00 AM (approximately 2 hours)
   • The end time will be around depending on the progress of the accident investigation.
   • In the event of bad weather, the event may be postponed to a later date. We will notify you of the new date.

• Attached to each line E4 The indications such as indicate the route number (numbering) of Expressway.

2. Detour

　Please refer to Appendix 1 [PDF: 466KB].

3. Transfer adjustments due to road closures

For customers who temporarily flow out of 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-2 [PDF: 131KB])

Transfer IC

Outflow designation IC	Re-inflow IC
E4 Tohoku Expressway Out-bound Line Urawa IC, Iwatsuki IC	E4 Tohoku Expressway Out-bound Line Kuki IC, Kazo IC, Hanyu IC C4 Ken-O Road (Inner loop) Okegawa Kitamoto IC, Okegawa Kano IC, Shiraoka Shobu IC (Outer loop) Satte IC, Goka IC, Sakai-Furukawa IC

How to use transit adjustment

ETC customers

• For customers using ETC, please drive wirelessly at designated outflow ICs, and also wirelessly drive at re-inflow ICs. (Transfer certificates are not 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 such as cash

• Customers paying with cash, etc. should receive a "transfer certificate" at the outflow designated IC, then take a "transit ticket" at the re-inflow IC, and then take the "transition certificate" at the toll booth where they pay the toll for the first time. Please hand over your ``book'' and ``traffic ticket.''

Common to ETC and cash customers

• 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. Contact

　交通事故捜査・通行止めに関すること
　埼玉県警察本部高速道路交通警察隊　岩槻分駐隊
　電話番号　048-757-4610

Five. How to get traffic information

(1) Road traffic information available 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/

(2) Road traffic information that can be obtained while using the Expressway

• Road information board
• Highway radio (AM1620kHz)
  The highway radio section is indicated by signs on the Expressway.
• 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