Terms of Use

This site is a joint operation between the East Nippon Expressway Company (hereinafter “NEXCO East Japan”) and ZENRIN DataCom Co. (hereinafter “ZDC”).

The real-time information on this site is provided by ZDC. Traffic congestion predictions, worksite restriction schedules, Aqua-Line windspeed information, and live camera data are provided by NEXCO East Japan.

This information is provided free of charge. However, if using the service via mobile phone or similar, the user will be responsible for covering packet transmission costs. Calling charges do apply to inquiries made via the Highway Telephone (road traffic information in audio format), NEXCO East Japan Customer Center (telephone inquiries), and other services.


Depending on your browser and its version, the site and map may not be displayed correctly, and activity/functionality may be restricted.

・Tested browsers

Internet Explorer: 11

Chrome: Latest version

Edge: 15

・Browser settings

Ensure that JavaScript is activated. If JavaScript is not activated, the site may not function correctly.


This site provides road traffic information on highways managed by NEXCO East Japan, NEXCO Central Japan, or NEXCO West Japan (excluding the Hachioji Bypass, Shin-shonan Bypass, Abo-Toge Road, Shiida Road, and Yagiyama Bypass) as well as the Honshu-Shikoku Bridge Expressway.

Road traffic information provided on this site is generally updated every five minutes using data provided by the Japan Road Traffic Information Center (hereinafter “JARTIC”).

As a result, actual road/traffic status and restrictions may differ in the following ways:

1. There is an approx. 10- to 15-minute time lag until actual road/traffic status and restrictions are shown on this site.

2. Due to changing traffic and road conditions, the road/traffic status and restrictions currently shown may not align with the current conditions on the road.

3. If the Tokyo Wan Aqua-Line is forecasted to experience wind speeds of 10 m/s or more in the next approx. 24-hour period, an icon will be displayed on the Aqua-Line.

4. In consultation with the traffic administrators, the Tokyo Wan Aqua-Line may be closed to traffic in some circumstances.


Highway tolls and route searches, traffic congestion forecast information, and service area / parking area information provided by this site are provided in collaboration with NEXCO East Japan’s “Dora Pura E-NEXCO Drive Plaza” service.

Although we always pay close attention to provide information, we make absolutely no guarantees regarding the accuracy of posted information, the adequacy of update timings, or the usefulness of information to users.

We accept absolutely no responsibility for any erroneous information on this site or any problems arising from the use of this site.

We also accept no responsibility for any damages incurred as a result of changes to information or site service interruptions / removal, in any circumstances.

The information on this site may change or be deleted without warning.

The services offered by this site may be temporarily delayed or suspended without notification due to issues with transmission facilities, system problems, maintenance, natural disasters, or other unavoidable causes.

We accept absolutely no responsibility for any damages suffered by customers or third parties as a result of delays or suspensions of this service.

If a user does not configure traffic congestion / restriction information email settings, or if emails cannot be delivered due to an email address change and the user has not logged in to the site for a three-month period, that user’s registered email address, saved routes, search history, and other data will be deleted without notice.

We also accept absolutely no responsibility for any damages suffered by users or other third parties in the event that we implement the measures above.


Users shall adhere to the following rules:

・Except where explicit authorization is given, users may not copy (or print out), transcribe, extract, process, change, adapt, send or otherwise use the data on this site in full or in part, in any form or by any means.

・Third parties shall not be allowed to use the data on this site (including copies, output, extracts, or other renderings of the data in whole or in part) in any form or by any means, such as via transfer, usage authorization, or sending, whether paid or unpaid.

・Users shall not use copies of the data on this site to compile books, booklets, filings, or any other compilation or pasted-together combinations of copies.

・Printed maps shall be no larger in size than A3.


In general, users may link to this website freely. However, links to this site shall be represented and displayed as such. Moreover, links from the following types of sites are not permitted.

・Sites with content that run counter to public morals.

・Sites that violate or may violate the copyrights or other intellectual property of NEXCO East Japan, ZDC, or a third party.

・Sites that libel or abuse (or may libel or abuse) NEXCO East, ZDC, or a third party.

・Sites that violate or may violate the law or other regulations.

NEXCO East Japan and ZDC accept absolutely no responsibility for any damages suffered by the user due to content or the use of content on sites linking to this site.


Japan Digital Road Map Association © 2017 Japan Digital Road Map Association

The maps on this site were created using the DRM Database, published by the Japan Digital Road Map Association. (12-2010 Results usage approval based on Survey Act, Art. 44).

The maps on this site were created, with the authorization of the Director General of the Geospatial Information Authority of Japan (GSI), using the GSI’s 500,000:1 regional maps, 25,000:1 topographical maps, and Denshi Chikei-zu 25000. (2017 Authorization number Joshi #444-B21).