Ken-O Road Okegawa Kitamoto IC to Shiraoka Iris IC open on Saturday, October 31st

Ken-O Road by the opening of, from Tomei Tohoku Expressway until the connection, the stock effect is expected to support the business activities and tourism activation

  • Corporate Top
  • Press Room
  • Press Release Kanto Regional Head Office
  • Ken-O Road Okegawa Kitamoto IC to Shiraoka Iris IC open on Saturday, October 31st
* Stock effect: An effect that can be continuously obtained in the medium and long term by the improvement of social capital.

September 29, 2015
Ministry of Land, Infrastructure and Transport
East Nippon Expressway Co., Ltd.

 Main stock effect of opening

Effect 1 Japan's aorta is directly connected to support the Japanese economy

  • The Tomei Expressway, Chuo Expressway, Kan-Etsu Expressway and Tohoku Expressway Expressway, which are the main arteries that form the basis of Japan's economic activities, are directly connected to form a new network and support the circulation of the Japanese economy.
  • For transportation between the Kansai/Chubu area and the Tohoku area, it is possible to select a route via Ken-O Road without passing through the crowded Tokyo area, and it is expected that the transportation time will be shortened.

 効果2 企業立地を促進し、雇用や投資が増加

  • In Saitama Prefecture, there are 462 new locations along the Ken-O Road 10 years, and new employment has increased, leading to an Large of private demand and a virtuous cycle of the regional economy.
  • This opening will contribute to the vitalization of companies such as streamlining the delivery system.

Effect 3 A new wide-area network is formed, and tourism exchange is expected to be activated

  • Access to sightseeing spots has improved, and the area around Shonan and Kamakura will be closer.
  • Ken-O Road the opening of the Ken-O Expressway, the time required from Kuki Shiraoka JCT to the Chigasaki Coast will be shortened from approximately 140 minutes to approximately 85 minutes. (Approximately 55 minutes) You can avoid traffic jams in the city center and improve punctuality.

Overview of the Ken-O Road Expressway section

  • Ken-o Expressway (Ken-O Road) is a total area planned to be located within a radius of 40-60km from the center of Tokyo for the purpose of facilitating road traffic in the metropolitan area and strengthening communication between cities along the line. It is a ring-shaped motorway with a length of about 300 km. About 230 km have been opened to date.
  • Outline of the section opened this time
    Route name: National Route 468 Ken-o Expressway (Ken-O Road)
    ○Opening section: Okegawa Kitamoto IC (Kawataya, Okegawa City, Saitama Prefecture)-Shiraoka Iris IC (Kamiosaki, Iris-cho, Kuki City, Saitama Prefecture)
    ○Opening date: Saturday, October 31, 2015
    ○ Extension: 10.8km
    ○ Number of lanes: 4 lanes
    ○Opening IC: Okegawa Kano IC
    ○Access Road: (Main) Kawagoe Kurihashi Line
    ○Opening PA: Iris PA

Location map of this open section

Image image of the location map of the opening section this time

Standard cross section of the section opened this time

Image of Standard cross-section of the opening section

Status of the section opened this time

Image image of the situation of the section opened this time

Reference material


*The opening time and the outline of the opening ceremony will be announced later.

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