Regarding the temporary suspension of access to the Tokyo Outer Ring Road Project website (Second Report)

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Regarding the "Temporary Suspension of Access to the Tokyo Outer Ring Project Website" announced on September 4, 2026, we are continuing our investigation into the cause, and we would like to inform you that it has now been newly confirmed that approximately 700 email addresses of registered users who have requested to receive emails from the website may have been viewed by a third party.
We sincerely apologize to all registered users and related parties for the worry and inconvenience caused.

1. 1. Overview

It is suspected that a third party has illegally accessed the Tokyo Outer Ring Project website, which is operated by our company, and that registered email addresses may have been viewed.

2. Information that may have been viewed

Approximately 700 email addresses of registered users who have requested to receive emails from this website.

3. 3. Our response

We have shut down the website in question and taken measures to prevent external access. We will continue to investigate the cause and will work with relevant organizations to address the issue.

4. Request

If you happen to receive a suspicious email that you do not recognize at the email address you registered, please be extremely careful not to open the email, access any URLs in the email body, or open any attachments.

5. Contact Information

　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