Ken-o Expressway (Ken-O Road of) "Okegawa Kitamoto IC ~
Resumption of construction work on some sections between the Shiraoka Iris IC and
We will inform you about the prospect of opening.

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  • Press Release Kanto Regional Head Office
  • Ken-o Expressway (Ken-O Road) of the resumption of construction in the "Okegawa Kitamoto IC ~ Shiraoka iris IC" some sections of between and, let you know about the prospects of opening.

July 9, 2015
Ministry of Land, Infrastructure, Transport and Tourism Kanto Regional Development Bureau
Omiya National Highway Office
East Japan Expressway Co., Ltd. Kanto Regional Head Office
Saitama Construction Office

Ministry of Land, Infrastructure and Transport Kanto Regional Development Bureau and the East Nippon Expressway Co., Ltd. is Route 468 and proceed with business in collaboration Ken-o Expressway (Ken-O Road for between Okegawa Kitamoto IC ~ Shiraoka iris IC of), 2015 We are currently in the process of opening up the road.

Along the Ken-O Road line in Saitama Prefecture, it is confirmed that the goshawks that are designated as domestic rare wild animals and plants based on the "Act on the Conservation of Species of Endangered Wild Animals and Plants" live in the area. We are proceeding with our business while seeking guidance and advice from specialists.

Due to the behavior along the line between Okegawa Kitamoto IC and Shiraoka Iris IC that indicates the breeding of goshawks, construction of some sections has been temporarily suspended from March 9. We would like to inform you that the construction will be restarted from Friday, July 10th while considering the environment, based on the guidance and advice from the experts, since the sensitive period affecting breeding has passed.

We are currently in the process of scrutinizing the construction process due to the resumption of this construction, but we are pleased to announce that it is expected to be open by the end of November 2015.

We will continue to do our utmost to open the service as soon as possible, and we ask for your understanding and cooperation.

Route overview

Ken-O Road (Ken-o Expressway) is a high-standard highway with a length of about 300km planned to be located in a radius of 40km to 60km from the city center. It is Yokohama, Atsugi, Hachioji, Kawagoe, Tsukuba, Narita, It is located on the outermost side of the 3 ring roads in the metropolitan area, which connects with cities such as Kisarazu and forms a wide-area trunk road network in the metropolitan area together with Tokyo Wan Aqua-Line Expressway, Tokyo Outer Ring Road, etc. It is a ring road.

It plays many roles such as facilitating road traffic in the Tokyo metropolitan area, strengthening communication between cities along the route, supporting regional development, and functioning as an alternative road in the event of a disaster.

Section overview

Line name:
National Route 468 Ken-o Expressway (Ken-O Road)
Section extension:
10.8km (between Okegawa Kitamoto IC and Shiraoka Iris IC)
Number of lanes:
4 lanes
Facilities to contact:
Okegawa Kitamoto IC Route 17 (Ageo Road)
Okegawa Kano IC (Main) Kawagoe Kurihashi Line
Shiraoka Iris IC Route 122 Bypass

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