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Ken-O Ken-O Road (Okegawa Kitamoto IC-Shiraoka Iris IC) opens on Saturday, October 31, 2015.
Ken-O Road to Shonan on the Ken-O Expressway!
Contribute to 20% increase in tourists

Ken-O Road We will inform you about the stock effect after the opening of the whole line in Saitama prefecture for 3 months*

* Stock effect: An effect that can be continuously obtained in the medium to long term by the functioning of the developed social capital.

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  • Press Release Kanto Regional Head Office
  • Ken-O Road We will inform you about the stock effect after the opening of the whole line in Saitama prefecture for 3 months*
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April 7, 2016
Ministry of Land, Infrastructure and Transport
East Nippon Expressway Co., Ltd.

Main stock effect

  • Increasing tourists to Shonan area (P2~3)
    ・In the Shonan area, we feel that we are seeing an increase in the number of tourists from distant places such as the northern Kanto region.
    ・ Ken-O Road The number of cars visiting the Shonan area increased by about 40%, and the number of tourists increased by about 20% Contribute to
    ・Local efforts have begun toward wide-area tourism exchange
  • Contribute to improved logistics productivity by shortening delivery time (P4)
    ・Large distribution center located near Shiraoka Iris IC, which has excellent accessibility
    ・By opening Ken-O Road, Delivery time reduced by 30 minutes
    ・In the future, we will improve the efficiency of delivery by effectively utilizing trucks and consider further productivity improvement.
  • Improve the safety of community roads (P5)
    ・By opening Ken-O Road, the amount of traffic flowing into residential roads will be reduced to avoid congestion.
    ・Around the Kawagoe Kurihashi Line, Almost half the number of sudden braking occurrences
    The number of accidents decreased by about 21% (Whole prefecture decreased by about 7%)
  • Secure a wide-area detour route when traffic is closed (P6)
    ・Avoid traffic congestion on general roads by using Ken-O Road to make detours even if there is a roadblock at Expressway around Ken-O Road, such as the outer ring road.
In 2016, the Tomei Expressway will connect the East Kanto Expressway with the Ken-O Road Expressway.
Ken-O Road (between Sakai Furukawa IC and Tsukuba Central IC) is scheduled to open

Effect 1 Increase in tourists to Shonan area

  • In the Shonan area, we feel that we are seeing an increase in the number of tourists from distant places such as the northern Kanto region.
  • Cars visiting the Shonan area on the Ken-Ken-O Road increased by about 40%, contributing to about 20% increase in tourists
  • Tourists in Hakone, which were affected by volcanic activity, are also recovering. Expect further visits by the opened Ken-O Road
Image image of increase in tourists to Shonan district

Effect 2 Initiatives for wide-area tourism exchange

  • In the local area, efforts for "local revitalization" to energize the area have begun.
  • In the Shonan area, a "fun guide" was created and distributed mainly at roadside stations in the northern Kanto area.
Image of initiatives for wide-area tourism exchange

Effect 3 Contributing to improving logistics productivity by shortening delivery time

  • PALTAC Co., Ltd., the largest wholesaler of cosmetics, daily necessities, and non-prescription drugs, located the latest large-scale distribution center at Shiraoka Iris IC, which has excellent accessibility, to Large its business in the Kanto area.
  • Ken-O Road the opening of the Ken-O Expressway, it is said that the delivery time between Shiraoka Iris IC and Iruma IC has been shortened from 75 minutes to 45 minutes, 30 minutes (40%).
  • In the future, we are considering further improvement of productivity by promoting delivery efficiency through effective use of trucks.
Image image that contributes to improving logistics productivity by shortening delivery time

Effect 4 Safety of community roads improved

  • With the opening of Ken-O Road, traffic on the Kawagoe Kurihashi Line was converted to Ken-O Road. Avoiding congestion and drastically reducing the amount of traffic flowing into residential roads
  • Near the Kawagoe Kurihashi Line, traffic congestion and sudden braking are almost halved
  • The number of accidents in Saitama prefecture has decreased by about 7%, while the number of accidents around the Kawagoe Kurihashi Line has decreased significantly by about 21% due to the effects of the Ken-O Road
Image image of improved safety of community roads

Effect 5 Secure a wide-area detour route when traffic is closed

  • Even if there is a traffic block at Expressway around Ken-O Road, such as the outer ring road, avoiding traffic congestion on general roads by using Ken-O Road to bypass the road
Image image of wide-area detour route secured when traffic is closed

Reference 1 Traffic condition 3 months after opening [Expressway]

  • The average traffic volume of the newly opened section (Okegawa Kano IC-Shiraoka Iris IC) is 30,400 vehicles/day.
  • Ever opened to have Ken-O Road of Kan-Etsu Expressway ~ between Chuo, increased Chuo-Tomei traffic volume of about 6 to 7% Interstate
  • In the Tomei Expressway, Ken-O Road by bypass function of Ken-O Road traffic volume of the inside is decreased (-9,700 vehicles / day)
  • Outside the ring road running parallel to this opening section, Ken-O Road traffic volume is reduced by conversion to (-8,700 vehicles / day)
Image of traffic condition [Expressway] 3 months after opening

Reference 2 To be able to read the travel time on the roads in the city center

  • Ken-O Road decrease the inside of the through traffic is 90 percent ⇒3 percent, transportation of the conversion has been continued achieved.
  • We are getting the change in travel time from road users.
Image image so that you can read the traveling time of the road in the city center

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 city center 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. On Saturday, October 31, 2015, the extension of about 10.8km between Okegawa Kitamoto IC and Shiraoka Iris IC was opened, and Ken-O Road Saitama section was fully opened. Ken-O Road The Saitama section began in 1985 with the commercialization between the prefectural border and Kan-Etsu Expressway, and it has reached the opening of all lines after about 30 years. With this opening, Ken-O Road has been open for about 241 km so far.
  • 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: 15:00 on Saturday, October 31, 2015
    ○ Extension: 10.8km
    ○Opening IC: Okegawa Kano IC
    ○ Number of lanes: 4 lanes
    ○Opening PA: Iris PA
Image of the four roles of the ring road

Location map of this open section

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