Kōchi-Tōbu Expressway
{{Short description|Expressway in Kochi Prefecture, Japan}}
{{Infobox road
|country=JPN
|type=Expressway
|maint=Ministry of Land, Infrastructure, Transport and Tourism
|route=Kōchi-Tōbu
|alternate_name=File:JP Expressway E55.svg {{Nihongo2|高知東部自動車道}}
|map =
| length_mi =
| length_km =36.0
| length_round =
| length_ref =
| established =2011
| allocation ={{jct|country=JPN|Route|55}}
| direction_a=West
| terminus_a=
| junction =
| direction_b=East
| terminus_b=
}}
The {{nihongo|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."{{cite web|url=http://www.mlit.go.jp/road/sign/numbering/en/list/index.html|title=Japan's Expressway Numbering System|website=www.mlit.go.jp}}
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.{{cite web|title=記者発表資料|url=http://www.skr.mlit.go.jp/tosakoku/pres/150109kouchinankokudourokaitsuu.pdf|language=ja|access-date=2 February 2019}}
Kōchi Ryoma Airport-Kōnan Noichi section was opened on March 15th, 2025.{{Cite press release |url=https://www.skr.mlit.go.jp/tosakoku/pres/2024/241213.pdf |format=PDF |title=E55高知東部自動車道 南国安芸道路 高知龍馬空港IC〜香南のいちIC間が令和7年3月15日（土曜日）に開通します。 〜高知JCT〜芸西西ICが高規格道路で繋がります〜 |publisher=国土交通省四国地方整備局 土佐国道事務所 |date=2024-12-13 |accessdate=2024-12-13 }}
Junction list
The entire expressway is in Kōchi Prefecture.
{{JPNinttop|exit|name|nopref=yes}}
{{JPNint|exit|name
|location_special=Kōchi
|lspan=3
|km=0
|exit=-
|name=Kōchi
|road=File:JP Expressway E32.svg{{hairspace}}{{jct|country=JPN|Exp|E56}}
|notes=Western terminus of the expressway
}}
{{JPNint|exit|name
|km=2.8
|exit=1
|name=Kōchi-chūō
|road=Kōchi Route 374
}}
{{JPNint|exit|name
|km=6.2
|exit=2
|name=Kōchi-minami
|road=Kōchi Route 376
}}
{{JPNint|exit|name
|location_special=Nankoku
|lspan=2
|km=10.9
|exit=3
|name=Nankoku
|road=Kōchi Route 375
}}
{{JPNint|exit|name
|km=15.0
|exit=4
|name=Kōchi Ryoma Airport
|road={{jct|country=MEX|extra=airport}} Kōchi Route 13 – Kōchi Airport
}}
{{JPNint|exit|name
|location_special=Kōnan
|lspan=3
|km=18.5
|exit=5
|name=Kōnan-Noichi
|road={{jct|country=JPN|Route|55}}
|notes=
}}
{{JPNint|exit|name
|km=20.7
|exit=6
|name=Kōnan-Kagami
|road=Kōchi Route 227
}}
{{JPNint|exit|name
|km=23.6
|exit=7
|name=Kōnan-Yasu
|road=Kōchi Route 51
|notes=
}}
{{JPNint|exit|name
|location_special=Geisei
|lspan=2
|km=27.5
|exit=8
|name=Geisei-nishi
|road={{jct|country=JPN|Route|55}}
|notes=Eastern terminus of the expressway (as of February 2019)
}}
{{JPNint|exit|name
|km=30.5
|exit=9
|name=Geisei-higashi
|type=unbuilt
|road={{jct|country=JPN|Route|55}}
|notes=
}}
{{JPNint|exit|name
|location_special=Aki
|km=36.0
|exit=10
|name=Aki-nishi
|type=unbuilt
|road={{jct|country=JPN|Route|55}}
|notes=Planned eastern terminus of the expressway
}}
{{Jctbtm|exit|keys=unbuilt|col=8}}
See also
{{Portal|Roads|Japan}}
References
{{reflist}}
External links
{{Attached KML|display=title,inline}}
- {{in lang|ja}} [http://www.skr.mlit.go.jp/ Ministry of Land, Infrastructure and Transport: Shikoku Development Bureau]
{{Expressways of Japan}}