Kōchi-Tōbu Expressway

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]

Kōchi-Tōbu Expressway
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
Highway system
National highways of Japan
Expressways of Japan

Route description

The speed limit is 80 km/h for the entire route. There is only one lane travelling 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 2020 and 2020. It is unknown when the section between Kochi Ryoma Airport Interchange and Konan-Noichi Interchange.

Junction list

The entire expressway is in Kōchi Prefecture.

LocationkmmiExitNameDestinationsNotes
Kōchi00.0-Kōchi Kōchi ExpresswayPlanned western terminus of the expressway, planned opening in 2020.
2.81.7-Kōchi-chūōKōchi Route 374
6.23.9-Kōchi-minamiKōchi Route 376
Nankoku10.96.8-NankokuKōchi Route 375
15.09.3-Kōchi 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
Kōnan18.511.5-Kōnan-Noichi National Route 55
20.712.9-Kōnan-KagamiKōchi Route 227
23.614.7-Kōnan-YasuKōchi Route 51
Geisei27.517.1-Geisei-nishi National Route 55Eastern terminus of the expressway (as of February 2019)
30.519.0-Geisei-higashi National Route 55
Aki36.022.4-Aki-nishi National Route 55Planned eastern terminus of the expressway
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Unopened
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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.

See also

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