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National Route 468 Ken-o Expressway (Ken-O Road)
March 29, 2008 Opening of Tsurugashima JCT-Kawashima IC

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  • National highway No. 468 Ken-o Expressway (Ken-O Road) March 29, 2008 Opening of Tsurugashima JCT-Kawashima IC
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February 27, 2008
Ministry of Land, Infrastructure, Transport and Tourism Kanto Regional Development Bureau
NEXCO EAST Kanto Regional Head Office

Ministry of Land, Infrastructure and Transport and NEXCO EAST is we have promoted the development Ken-O Road of 7.7km from Tsurugashima Junction (JCT) to Kawashima Interchange (IC) section is now possible to open.

  • Opening date: Saturday, March 29, 2008, 15:00
  • Opening section: 7.7km from Tsurugashima JCT (Kan-Etsu Expressway) to Kawashima IC (National Route 254)

Expected effect

  • Improved access from western Saitama to Yamanashi and Tokyo
    • Ken-O Road travel time about 55 minutes shortened from Kawashima IC to the Chuo Expressway Hachioji JCT
    • Ken-O Road from Kawashima IC Kan-Etsu Expressway travel time about 25 minutes shortening of up to Oizumi JCT
  • Opening of the Ken-O Road Expressway eases traffic congestion on parallel roads
  • New companies expand around Kawashima IC, increasing local employment
    • After the opening of all lines in Saitama Prefecture, as an economic ripple effect of the industrial base building, an initial investment effect of about 120 billion yen and a recurring effect of about 600 billion yen per year
      (Economic effects of the Basic Policy of the Denent Urban Industrial Zone (Saitama Prefecture))
  • Increased local employment due to the entry of large shopping malls
With the understanding and cooperation of everyone in the region, we will continue to promote the Ken-O Road O Expressway project and aim to open 5.7 km from Kawashima IC to Okegawa JCT (tentative name) in 2009, two years later.

"Commemorating the opening of the Ken-O Road! Comfortable feeling! Implementation of "Trial Campaign"

  • ETC mileage points will be given to customers who use the newly opened IC (Sakado IC, Kawashima IC) as an entrance (or exit) at ETC and travel up to the designated IC To do.

Click here for more details

Ken-O Road is a ring-shaped motorway with an extension of about 300 km, which is planned to be located at a radius of 40 to 60 km from the center of the city. Until now, it is about 60.7 km (40.1 km between Hachioji JCT and Tsurugashima JCT, Tsukuba JCT). -Amihigashi IC 13.5km, Kisarazu East IC-Kisarazu JCT 7.1km) is open (overall progress rate about 20%).

Of this, the Saitama section has a planned extension of about 58.4 km, with 19.8 km open (Saitama prefecture progress rate of about 34%).

This opening will connect the section from Tsurugashima Junction to Route 254.

Image image of the opening of the 7.7km section from Tsurugashima JCT to Kawashima IC
  • Route name
    National Route 468 Ken-o Expressway (Ken-O Road)
  • Open section
    From Tsurugashima JCT to Kawashima IC
    Length 7.7km
  • Opening IC
    Tsurugashima JCT (Tsurugashima City Fujikin)
    Sakado IC (Onuma, Sakado City)
    Kawashima IC (Hiranuma, Kawashima Town)
  • Number of lanes
    4 lanes
    Design speed 80km/h
  • History of the section
    Commercialization in 1989, site acquisition in 1992, construction in 1999
  • expense
    About 110 billion yen
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