The latest regulatory information isDraTraPlease see.

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Due to a re-investigation of the traffic accident by the Niigata Prefectural Police on Wednesday, September 30th, the E17 Kan-Etsu Expressway (In-bound) from Uonuma Interchange (hereinafter referred to as "IC") to Muikamachi IC will be closed to traffic as follows.
We sincerely apologize for any inconvenience this may cause our customers, and we appreciate your understanding and cooperation.

1. Closed section and date and time

1. section:
   Kan-Etsu Expressway (In-bound) Uonuma IC → Muikamachi IC
2. Date and time:
   Wednesday, September 30, 2026, 12:00 PM - 2:00 PM (tentative)

• 交通事故実況再見分の進捗状況により終了時刻は前後します。
• In case of inclement weather, it may be postponed to a later date. We will notify you of the postponed schedule.

2. Detour

Please use the detour via National Route 291 → National Route 17 → National Route 253.

• The exit at Uonuma Interchange may be congested, so please drive carefully.

3. Regarding transit adjustments due to suspension of traffic

For passengers who temporarily flow out of the Expressway due to suspension of traffic, bypass the suspension of traffic, re-enter, and transfer in the forward direction, we carry out "transit adjustment" to adjust the toll according to the segment used. I will.

Transfer adjustment IC

Closed section	Up and down	Outflow IC	Re-inflow IC
Uonuma IC to Muikamachi IC	In-bound line (Tokyo direction)	Uonuma IC, Horinouchi IC	Muikamachi IC, Shiozawa Ishiuchi IC, Yuzawa IC

How to use transit adjustment

ETC customers

• Customers using ETC are requested to use ETC wireless communication at both the exit and re-enter interchanges. (ETC vehicles will not be issued a "Transfer Certificate.")
• 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 who pay by cash, etc. should receive the "passenger certificate" at the outflow IC and then collect the "passport" at the re-inflow IC. Please give "and" a pass ticket.

Common to ETC and cash customers

• If the road closure is lifted after exiting at the exit IC, the toll will be adjusted even if you re-enter from an IC in the closed section in the forward direction (including the exit IC).

Four. Information such as road traffic information

• Expressway traffic information service "Drive Traffic (DraTra)"
  [Real-time information address]
  https://www.drivetraffic.jp/
• " DraPla" is a site packed with useful information on Expressway across the country.
  [Address] https://www.driveplaza.com/
• NEXCO EAST Customer Center

  The operator will be available 24 hours a day, 365 days a year.

  【電話番号】
  0570-024-024　または　 03-5308-2424
• Japan Road Traffic Information Center (JARTIC)
  【address】

  http://www.jartic.or.jp/

  【phone number】

  全国共通ダイヤル　050-3369-6666
  （携帯短縮ダイヤル　#8011）
  • You can connect to the nearest information center from anywhere in Japan.
• Expressway Impact Information Website

  If you would like to check the information gathered from the websites of each company, including NEXCO CENTRAL, NEXCO WEST, and Metropolitan Expressway, please click here.

  [Address] https://ex-ssw.com/
• NEXCO東日本新潟支社X（旧Twitter）ID：@e_nexco_niigata

  We send information on traffic jams, road closures, and driving / travel information in Niigata Prefecture.

• LINE official account “NEXCO EAST”

  We inform you about the traffic closure situation in the NEXCO EAST jurisdiction.

  [Search] Search by "NEXCO EAST"
  [ID] @e-nexco

  

• Highway radio

  Highway radio (AM1620kHz)
  The section that is broadcasting is announced by the signs on the Expressway.

• Road information board

  We provide road traffic information such as road conditions and weather conditions.

Five. Inquiries regarding road closures

　新潟県警察　高速道路交通警察隊
　【電話番号】025-287-4433