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Kōchi-Tōbu Expressway

Kōchi-Tōbu Expressway sign
Kōchi-Tōbu Expressway
E55 高知東部自動車道
Route information
Maintained by Ministry of Land, Infrastructure, Transport and Tourism
Length36.0 km (22.4 mi)
Existed2011–present
Component
highways		 National Route 55
Location
CountryJapan
Highway system

The Kōchi-Tōbu Expressway (高知東部自動車道, Kōchi-Tōbu Jidōsha-dō) is an incomplete two-lane national expressway in Kōchi Prefecture. It is owned and operated by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT). The route is signed as an auxiliary route of National Route 55 as well E55 under MLIT's "2016 Proposal for Realization of Expressway Numbering."[1]

Route description

The speed limit is 80 km/h for the entire route. There is only one lane traveling in each direction along the entirety of the expressway.

History

The existing portions (as of February 2019) of the expressway opened in five phases between March 2011 and April 2016.[2]

Future

The remainder of the route is planned to be opened to traffic in phases between 2021. It is unknown when the section between Kochi Ryoma Airport Interchange and Konan-Noichi Interchange will be completed.[3]

Junction list

The entire expressway is in Kōchi Prefecture.

LocationkmmiExitNameDestinationsNotes
Kōchi00.0-KōchiE37  Kōchi ExpresswayWestern terminus of the expressway
2.81.71Kōchi-chūōKōchi Route 374
6.23.92Kōchi-minamiKōchi Route 376
Nankoku10.96.83NankokuKōchi Route 375
15.09.34Kōchi Ryoma Airport Kōchi Route 13 – Kōchi Airport
3.5 km gap in the expressway, connection is made by Kōchi Route 13 and National Route 55
Kōnan18.511.55Kōnan-Noichi National Route 55
20.712.96Kōnan-KagamiKōchi Route 227
23.614.77Kōnan-YasuKōchi Route 51
Geisei27.517.18Geisei-nishi National Route 55Eastern terminus of the expressway (as of February 2019)
30.519.09Geisei-higashi National Route 55
Aki36.022.410Aki-nishi National Route 55Planned eastern terminus of the expressway
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Unopened

See also

References

  1. ^ "Japan's Expressway Numbering System". www.mlit.go.jp.
  2. ^ "記者発表資料" (PDF) (in Japanese). Retrieved 2 February 2019.
  3. ^ "高知東部自動車道 国道55号 高知南国道路 全線開通 高知自動車道〜高知南IC間が令和3年2月27日（土曜日）に開通します" [Kōchi-Tōbu Expressway National Route 55 Kōchi Nankoku Road opening, the section between Kōchi Expressway and Kōchi-minami IC will open on Saturday, February 27, 2021] (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. 7 January 2021. Retrieved 23 January 2021.
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