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[C4] Between Matsuo Yokoshiba IC and Sanmu-Naruto IC on the Ken-O Ken-o Expressway
Choshi Access Road Between Matsuo Yokoshiba IC and Yokoshiba Hikari IC
Notice of emergency night closure

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December 4, 2020
East Nippon Expressway Co., Ltd.
Ichihara Management Office

The latest regulatory information isDraTraPlease see.

PDF version [PDF: 865KB]

NEXCO EAST in Ichihara management office (Ichihara City, Chiba Prefecture), C4 Ken-o Expressway (hereinafter referred to as "Ken-O Road Naruto Yamatake from") Yokoshiba Matsuo (Matsuo Yokoshiba) Interchange (hereinafter referred to as "IC") (Yamatake Naruto) We will close the road at night due to the accident recovery work between the ICs.
In addition, Ken-O Road regard to Choshi access road is directly connected with the (Chiba road Corporation management), for customers that has flowed from Hikari Yokoshiba IC can not flow out to the general road from Yokoshiba Matsuo IC, it will be 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. Closing date/section

(1) Date and time:
December 4, 2020
21:00 to 24:00 (3 hours)
(2) Section:
C4 Ken-O Road O Expressway (inside and outside)
Between Matsuo Yokoshiba IC and Sanmu-Naruto IC
Choshi access road (upper and lower lines)
Between Matsuo Yokoshiba IC and Yokoshiba Hikari IC

201204_ closed section.png

* Attached to each line C4 The indications such as indicate the route number (numbering) of Expressway.

2. Detour

For detours, please use the parallel Route 126.
If you detour between Sanmu-Naruto IC and Yokoshiba Hikari IC as shown in the figure below, it will take about 30 minutes (usually about 15 minutes).
The detour will take longer, so please allow yourself plenty of time to go out.

201204_ Detour diagram.png

3. How to get traffic information

(1) Road traffic information available before going out
(2) Road traffic information that can be obtained 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 a VICS-compatible car navigation system.

* Official Twitter account "NEXCO EAST (Kanto)" (@e_nexco_kanto) Also distributes information.

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