[C4] Between the Ken-o Expressway Matsuo Yokoshiba IC and Ichihara Tsurumai IC, and
Choshi connecting road between Matsuo Yokoshiba IC and Yokoshiba Hikari IC Notice of night traffic

From May 20 (Mon) to May 28 (Tue) (excluding Saturdays and Sundays) From 21:00 pm on each day to 5:00 pm the next morning
-Perform pavement repair work, smart interchange construction work, etc.-

  • Corporate Top
  • Press Room
  • Press Release Kanto Regional Head Office
  • [C4] Ken-o Expressway Matsuo Yokoshiba IC-Ichihara Tsurumai IC and Choshi connecting road Matsuo Yokoshiba IC-Yokoshiba Hikari IC Night closure notice

The latest regulatory information isDraTraPlease see.

PDF version [PDF: 741KB]

May 8, 2019
East Nippon Expressway Co., Ltd.
Ichihara Management Office
Tokyo Wan Aqua-Line Expressway Management Office
Kisarazu Construction Office

NEXCO EAST Ichihara Management Office (Ichihara City, Chiba Prefecture), Tokyo Wan Aqua-Line Expressway Management Office and Kisarazu Construction Office (Kisarazu City, Chiba Prefecture) are located on the C4 Ken-O Ken-o Expressway (hereinafter referred to as "Ken-O Road Expressway") Matsuo Yokoshiba. We will close the road at night to repair the pavement between the interchange (hereinafter "IC") and Ichihara Tsurumai IC, repair and inspect road structures, and construct the Mobara Nagasara Smart Interchange (hereinafter "SIC").
In addition, Ken-O Road for about even between Choshi Contact road Matsuo Yokoshiba IC ~ Hikari Yokoshiba IC to be connected with the (Chiba road Corporation management), customers that has flowed from Hikari Yokoshiba IC can not flow out to the general road from Yokoshiba Matsuo IC, closed to traffic (Inflow prohibited).
We apologize for the inconvenience caused to our customers, but we ask for your understanding and cooperation so that you will have time to spare when you go out.

1 closed section and date and time

(1) Closed section

Section I
Ken-O Road
Inside and outside of Matsuo Yokoshiba IC-Mobara Chonan IC
Choshi connecting road
Matsuo Yokoshiba IC-Yokoshiba Hikari IC vertical lines
Section II
Ken-O Road
Mobara Chonan IC-Ichihara Tsurumai IC inside and outside
Image image of closed section

(2) Date and time

Section I
Implementation date: 2019 28th (Tuesday) (excluding Saturdays and Sundays)
From 21:00 pm each day to 5:00 pm the next morning
Preliminary day: 2019 6th (Thursday) (excluding Saturdays and Sundays)
From 21:00 pm each day to 5:00 pm the next morning
Section II
Implementation date: May 20th (Monday) to May 22nd (Wednesday), 1st 2019
From 21:00 pm each day to 5:00 pm the next morning
Preliminary day: 2019 27 (Monday) (excluding Saturdays and Sundays)
From 21:00 pm each day to 5:00 pm the next morning
Image of implementation day / preliminary day

2 Detour

When detouring, Attachment-1 [PDF: 160KB] as well as Attachment-2 [PDF: 172KB] Please refer to.
Detours will increase the time required, so please take time to go out.

3 Construction overview

Ken-O Road in Matsuo Yokoshiba IC ~ Ichihara Tsurumai IC, repair work of the damaged pavement, repair and inspection of road structures, will be carried out Nagara SIC construction Mobara. This section is a two-lane section (one lane on each side), and it is difficult to secure a vehicle lane for the construction work. Therefore, to prevent customers from being inconvenienced as a result, traffic is closed on weekday nights when traffic is light. We will carry out construction work intensively and efficiently. Since this work is necessary to use the Expressway safely and comfortably, we ask for your understanding and cooperation.

Image image of pavement repair work
Pavement repair work
Image image of inspection of road structures
Inspection of road structures
Image image of SIC construction work
SIC construction work

4 How to obtain traffic information

(1) Guidance by distribution / posting

  • Notice signs, posters and leaflets will be posted at toll booths and rest facilities nearby.
  • A banner will be posted on the overpass on the Expressway.

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

  • NEXCO EAST Customer Center (corresponding to 24 hour operator)
    ナビダイヤル:0570-024-024
    または TEL:03-5338-7524
  • NEXCO EAST Road Traffic Information Site "DraTra "
    [PC]
    [Mobile] http://m.drivetraffic.jp/
  • For the latest regulatory information, see DraTra "Please refer to the.
  • Japan Road Traffic Information Center (JARTIC) Road Traffic Information
    全国共通ダイヤル 050-3369-6666(携帯短縮ダイヤル #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
    千葉情報 050-3369-6612
    【PC】
  • Highway telephone (Provides the latest information updated every 5 minutes for 24 hours)
    千葉局 043-257-1620(携帯電話・PHS短縮ダイヤル #8162

(3) Road traffic information available while using the Expressway

  • Road information board
  • Highway radio (AM1620kHz)
    The highway radio section is indicated by signs on the Expressway.
  • Highway Information Terminal
    We will inform you of road information in an easy-to-understand manner by the monitor screens installed in SA / PA.
  • VICS
    You can get road traffic information with VICS-compatible car navigation and other on-board devices.
* Twitter's official account "NEXCO EAST (Kanto)" (@e_nexco_kanto ) Also distributes information.
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