2015 June 7 (Sunday) to Ken-O Road opening (Kanzaki IC ~ Daiei JCT) is
Ken-O Road Expressway connects the Joban Expressway to the East Kanto Expressway

We will inform you about the stock effect of Ken-O Road

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

  • Corporate Top
  • Press Room
  • Press Release Kanto Regional Head Office
  • We will inform you about the stock effect of Ken-O Road

February 22, 2016
Ministry of Land, Infrastructure and Transport
East Nippon Expressway Co., Ltd.

1 Main stock effect

  • Boost inbound tourism

    • Ken-O Road opening Ibaraki Prefecture publicizes improvement of access from Narita Airport
    • More bus tours from Narita Airport via Mito [2/year to 40/year] There is also a travel agency that increases the number of tours around the prefecture [2.8 times the previous year*] * In 2015, 9 months from April to December
    • The number of foreigners staying in Japan was 34th last year, but now 30th*
      In the prefecture, looking at all the Ken-O Road in the prefecture, Considering measures to further promote inbound tourism
      *January to November preliminary figures
  • Safe and comfortable roads

    • The traffic was switched to Ken-O Road, which made the general road smoother and the rate of sudden braking decreased.
    • The number of traffic accidents* on ordinary roads under the jurisdiction of the Narita Police Department (Narita City)* is year-on-year About 4% decrease
      *Approximate number of property damage accidents and personal injury accidents
  • Contribute to improving productivity of companies and improving working environment of drivers

    • 1台のトラックが1日のうちに複数箇所への輸送が可能になるなど、トラックの稼働率が向上し、企業の生産性向上に寄与
    • It is expected that the driver's restraint time will decrease, Expected to improve working environment
  • To be capable of bypassing the time of emergency and disaster "Ken-O Road- via Higashi Kanto road"

    • Demonstrate the detour function between Tsukuba and Hakozaki on Ken-O Road /Higashi Kanto Expressway when Joban Expressway is closed.
    • By detour Traffic on the Ken-O Road increased by approximately 80%
    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 Boost inbound tourism

  • Ken-O Road opening Ibaraki Prefecture publicizes improvement of access from Narita Airport
  • More bus tours from Narita Airport via Mito [2/year to 40/year] There is also a travel agency that increases the number of tours around the prefecture [2.8 times the previous year*]
    *FY2015 is 9 months from April to December
  • The number of foreigners staying in Japan was 34th last year, but now 30th*
    In the prefecture, looking at all the Ken-O Road in the prefecture, Considering measures to further promote inbound tourism
    *January to November preliminary figures
Image image of an increase in bus tours for foreign travelers from Narita Airport via Ibaraki Prefecture

Effect 2 Safe and comfortable roads

  • The traffic was switched to Ken-O Road, which made the general road smoother and the rate of sudden braking decreased.
    Traffic on National Route 408 (Tsuchiya intersection): 41,400 vehicles/day → 38,100 vehicles/day [8% reduction]
    Traffic volume on National Route 408 (Nagaro East Intersection): 11,700 vehicles/day → 10,100 vehicles/day [14% reduction]
  • The number of traffic accidents* on ordinary roads under the jurisdiction of the Narita Police Department (Narita City)* is year-on-year About 4% decrease
    *Approximate number of property damage accidents and personal injury accidents
Transportation is switched from general road to Ken-O Road Expressway. Image image of improved safety on surrounding general roads

Effect 3 Contributing to improved productivity of companies and improved working environment for drivers

  • 1台のトラックが1日のうちに複数箇所への輸送が可能になるなど、トラックの稼働率が向上し、企業の生産性向上に寄与
  • It is expected that the driver's restraint time will decrease, Expected to improve working environment
Image of improved truck utilization due to reduced transportation time to Narita Airport

Effect 4 Enables detours in case of emergency/disaster "Ken-O Road Expressway-via East Kanto Expressway"

  • Joban Expressway at the time of passage stop of, the bypass function between Tsukuba - Hakozaki Ken-O Road demonstrate in East Kanto road.
    By detour Traffic on the Ken-O Road increased by approximately 80%
Image of securing redundancy through multiple routes

Reference 1 Traffic situation after opening

  • Ken-O Road average daily traffic volume after the opening of the Ken-O Expressway is 9,300 vehicles/day.
    Ken-O Road (between Kanzaki IC and Shimosa IC): 9,300 vehicles/day
    Ken-O Road O Expressway (between Shimosa IC and Daiei JCT): 9,300 vehicles/day
  • The traffic volume between Tsukuba JCT and Kanzaki IC, which had been open until now, has increased compared to the same month the previous year. Traffic volume on Joban Expressway and Higashi Kanto Expressway increased year-on-year
    Ken-O Road (between Inashiki IC ~ Inashiki east IC): 4,100 vehicles / day → 10,900 vehicles / day [166% increase]
    Joban Expressway (between Sakura Tsuchiura IC and Tsukuba JCT): 64,600 units/day → 68,000 units/day [5% increase]
    East Kanto Expressway (Daiei JCT-Narita IC/JCT): 24,400 units/day → 30,800 units/day [26% increase]
Image of traffic situation after opening

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. To date, approximately 241 km have been opened.
  • Outline of the section opened this time
    Route name: General National Route 468 Ken-o Expressway (Ken-O Road)
    ○Opening section: Kanzaki IC (Matsuzaki, Kanzaki-cho, Katori-gun, Chiba)-Daiei JCT (Yoshioka, Narita, Chiba)
    ○Opening date: Sunday, June 7, 2015, 17:00
    ○ Extension: 9.7km
    ○ Number of lanes: Provisional 2 lanes
    ○Opening IC (access road): Shimosa IC ((main) Narita Shimosou line)

Location map of this open section

Image image of the location map of the opening section this time
Image image of image link (external link) to download page of Adobe Acrobat Reader

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