Keiyo Road (Ichikawa IC ~ Shinozaki: In-bound Line) About changing lanes to detour roads

~Congestion is expected due to lane regulation work~

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  • Keiyo Road (Ichikawa IC ~ Shinozaki: In-bound Line) About changing lanes to detour roads

November 5, 2009
East Nippon Expressway Co., Ltd.
Kanto Regional Head Office

NEXCO EAST Kanto Regional Head Office (Taito-ku, Tokyo, Regional Head Office length: Shinichi Ishikawa), the Gaikan Expressway and Keiyo Road due to the construction of Keiyo junction and is connected (JCT) (tentative name), Keiyo Road established a bypass road in We are working to change lanes in order to do so.

With this construction, we will inform you that the lane will be changed to the detour road to be installed about the In-bound line between the Keiyo Road Ichikawa Interchange (IC) and the Shinozaki gateway.

When changing lanes, traffic restrictions may reduce the number of lanes, so there are times when traffic congestion is expected.Therefore, when you go out, be sure to have time to spare and to the parallel Higashi-Kanto Expressway. Please detour (see Attachment 1 [PDF: 30KB]) and use public transportation.

We apologize for the inconvenience, and we appreciate your understanding and cooperation.

1 In-bound lane overview of the changes to the line bypass road

  1. November 15 (Sunday) to November 23 (Mon) (including preliminary date) to carry out day and night continuous regulation, In-bound to change the lane line to the bypass road.
    Monday, November 16th, around 4am: We will change lanes to the bypass road.
  2. From November 24th (Tuesday) to December 4th (Friday) (including preliminary days), construction will be performed at the Ichikawa IC's Tokyo area entrance ramp.
    Please note that the width of the lane may be reduced during the construction period. Especially for large vehicles, please drive at a slow enough speed.

2 Traffic regulation due to lane change to detour road

During the following periods, the number of lanes you can drive will decrease to 2 lanes during the day and 1 lane at night.

  • Daytime: 5:00~22:00, Nighttime: 22:00~5:00
    Period: Sunday, November 15, 2009-Monday, November 23, 2009 (including preliminary days)

Along with this, traffic congestion is expected.

The time zones and the length of traffic jams that are expected to occur on each day are as follows.

Image of traffic congestion forecast for Keiyo Road switching work

☆: Scheduled time to change lane to detour road

  • In case of stormy weather, postponement and work will be carried out on a spare day
  • We anticipate a long traffic jam, taking into consideration the detours to the parallel East Kanto route.

3 How to obtain road traffic information

(1) Information on day-night continuous control work

  • We will post and distribute posters, notice signs and leaflets in the service area (SA), parking area (PA), etc.
  • We will inform you through newspaper advertisements and radio commercials.
  • A banner will be posted on Expressway and overpasses such as national roads.
  • This press release material will be posted on our website.
  • NEXCO EAST Customer Center is also available.
    ナビダイヤル 0570-024-024(24時間対応)
    (PHS、IP電話のお客さま 03-5338-7524

(2) Road traffic information that can be obtained before going out

(3) Road traffic information available while using the Expressway

  • Road information version
  • Highway radio (AM1620kHz)

    The section on the highway radio is indicated by the signs on the Expressway.

  • VICS (You can get road traffic information with VICS-compatible car navigation systems.)
  • Highway Information Terminal (Status information will be announced on the TV screen in an easy-to-understand manner.)

    Makuhari PA (above), Shisui PA (above), Ichihara SA (above), Wangan Makuhari PA (above)

4 Work details during the detour period

After changing the lane of Keiyo Road to a detour, construct a structure where the Gaikan Expressway and Keiyo Road cross over. For details, please refer to Attachment 3 [PDF:238KB].

Image image of image link (external link) to download page of Adobe Acrobat Reader

To view the PDF file, you need the Adobe Systems plug-in software "Acrobat Reader (Japanese version)". If you do not have​​​ Download from here (free)Please use it.