National Highway 468 No. Ken-o Expressway (Ken-O Road (Ken Odo))
The section from "Tsukuba Chuo IC (Interchange)" to "Tsukuba JCT (Junction)" will open on April 24th.

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  • Press Release Kanto Regional Head Office
  • Ken-O Road between the Tsukuba Chuo IC and the Tsukuba JCT will be opened on April 24th.

February 15, 2010
Ministry of Land, Infrastructure, Transport and Tourism Kanto Regional Development Bureau Joso National Highway Office
East Japan 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 4.3km from Tsukuba center IC of up to Tsukuba JCT is now to be opened.

Opening date and time

Saturday, April 24, 2010, 15:00

Open section

4.3km from Tsukuba Chuo IC (interchange) to Tsukuba JCT (junction)

  • The opening ceremony is scheduled from 10 o'clock on the day.
    The details of the ceremony will be announced later.

【Expected effect】

Improved accessibility in the horizontal direction in the prefecture's southern region

  • The time required from the new Tsukuba City Government Office to Inashiki City Hall will be reduced by about 10 minutes (about 40 minutes to about 30 minutes).

Improving accessibility to Expressway ICs from the western part of the prefecture

  • Expressway IC 30 minutes Use area population will increase by about 26 thousand.

1) Overview of the section opened this time

Route name

National Route 468 Ken-o Expressway (Ken-O Road)

Open section

4.3km from Tsukuba Chuo IC (interchange) to Tsukuba JCT (junction)

Opening IC

Tsukuba Chuo IC (Interchange) (Tsukuba City Arai)

Connecting road

Main local road Toride Tsukuba Line (Science Boulevard)

Location map

Image of position map

2) Maintenance effect

Improved accessibility in the horizontal direction in the prefecture's southern region

  • The time required from the new government office of Tsukuba City Hall, which opens in May this year, to Inashiki City Hall is reduced by about 10 minutes compared to the present time (40 minutes using Tsukuba Ushiku IC-Inashiki IC ⇒ 30 minutes using Tsukuba Central IC-Inashiki IC) ) Will be done.

Time-saving effect in the southern area of the prefecture

Tsukuba City New Government Building → Tsukuba Ushiku IC → Inashiki IC → Tsuchiura Inashiki Line → Inashiki City Hall was 40 minutes, but Tsukuba City New Government Office → Tsukuba Central IC → Inashiki IC → Tsuchiura Inashiki Line → Inashiki City Hall is 30 minutes, the maximum Image image of about 10 minutes shortened

  • The new Tsukuba City Hall Government Office opened in May 2010.
  • 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 (70km/h) and extension of the provisional model.

Improving accessibility to Expressway ICs from the western part of the prefecture

  • Expressway IC 30 minutes Use area population will increase by about 26 thousand in the western part of the prefecture.

Of Kensei regional Expressway IC30 minutes use sphere Large

Expressway IC 30 minutes Use area population will increase by about 26,000, and convenience of "prefectural west-Expressway IC" will be improved. Image image of

  • The service area is calculated from the 2005 road traffic census.
  • Use area population is calculated from the 2005 Census.

Outlet mall (name: Ami Premium Outlets) opened around Amihigashi IC on July 9, 2009. (reference)

An outlet mall with a site area of 16.5ha opens on July 9, 2009 at the commercial and business facility site in the "Ami Yoshiwara East Land Readjustment Project" area adjacent to the Ami East IC.

Ami since east IC opening, in the Ibaraki Prefecture, etc. Ken-O Road are being promoted efforts to local activation, such as to inform the tour route guidance of the wayside region utilizing.

Image of the outlet mall opened on July 9
  • Changes in the traffic volume of the Ken-O Road 2009

Since the opening of the outlet mall, the traffic volume on the Ken-O Road has also increased.

Traffic to and from Amihigashi IC and traffic between Ushiku Ami IC and Amihigashi IC

Image image of traffic volume in and out of Ami East IC and traffic volume between Ushiku Ami IC and Ami East IC

3) Current status of the section opened this time

Tsukuba JCT

Taken on January 27, 2010

Image of Tsukuba JCT photo

Tsukuba Central IC

Taken on February 8, 2010

Image image of photo of Tsukuba Central IC

  • Photo data will be provided.

4) Price list of the newly opened section [PDF: 22KB]

Ken-o Expressway "Tsukuba Chuo IC-Tsukuba JCT" opening commemoration
Comfortable feeling! Trial campaign

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