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National Highway 468 No. Ken-o Expressway (Ken-O Road (Ken Odo))

From "Amihigashi IC" to "Inashiki IC" will be opened on March 21st.

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  • Press Release Kanto Regional Head Office
  • The "Ami East IC" to "Inashiki IC" will open on March 21st.
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February 6, 2009
Ministry of Land, Infrastructure, Transport and Tourism Kanto Regional Development Bureau Joso National Highway Office
East Nippon Expressway Co., Ltd. Kanto Regional Head Office Mito construction office

Ministry of Land, Infrastructure and Transport Kanto Regional Development Bureau and the East Expressway Co., Ltd. Kanto Regional Head Office has been promoting the business jointly Ken-O Road 6km from the Ami east IC of Inashiki until the IC is now to be opened.

Opening date and time

Saturday, March 21, 2009 15:00

Open section

6km extension from Amihigashi IC to Inashiki IC

  • The opening ceremony will be held at Inashiki IC from 10:00 on the day.
    The details of the ceremony will be announced later.

　With this opening, Ken-O Road (Ibaraki Prefecture section) will be opened is 19.5km from "Tsukuba JCT" to "Inashiki IC".

Expected to reduce time required and improve accessibility to Narita

  • Comparing the time required from Tsukuba City Hall to Narita Airport with using Route 408, About 20 minutes (It will be shortened from about 100 minutes to about 80 minutes).

1) Overview of the section opened this time

・Route name
National Route 468 Ken-o Expressway (Ken-O Road)
・Open section
6km extension from Amihigashi IC to Inashiki IC
・Opening IC
[Connecting road]
Inashiki IC (Numata, Inashiki City)
[Major local road Edozaki Shintone Line Bypass]
  • Amihigashi IC was opened to the Tsukuba JCT area in March 2007, but with the opening this time, you can also use the Inashiki IC area.
Image of position map

2) Maintenance effect

Expected to reduce accessibility time and improve accessibility to Narita Airport

When you open the Ken-O Road Inashiki IC, the time required from Tsukuba City Hall to Narita Airport is compared to using Route 408. About 20 minutes (100 minutes using National Highway No. 408 → 80 minutes using Ken-O Road), which is expected to improve convenience between Tsukuba and Narita.

Map: The time required from Tsukuba City Hall to Narita Airport is reduced by about 20 minutes compared to using Route 408 (100 minutes using Route 408 ⇒ 80 minutes using Ken-Ken-O Road). Image image of
Information on each route: 1. Tsukuba City Hall → National Route 408 → Narita Airport (100 minutes), 2. Tsukuba City Hall → Joban Expressway Yatabe IC → Amihigashi IC → National Route 408 → Narita Airport (90 minutes), Tsukuba City Hall → Joban Expressway Yatabe IC → Inashiki IC → National Highway 408 No. → Narita Airport (80 minutes), Tsukuba City Hall → (tentative name) image of Tsukuba IC → Higashi Kanto road → Narita Airport (50 minutes)
  • The time required for general roads is estimated from the 2005 road traffic census general traffic volume survey travel speed during congestion.
  • The time required for the Ken-O Road Expressway is calculated based on the running speed and extension of the provisional form.

Comfortable trial campaign!
ETC mileage point additional gift

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