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{{short description|National highway in Japan}}
{{Use dmy dates|date=February 2020}}
{{Infobox road
{{Infobox road
|country=JPN
|country=JPN
|type=National
|type=National
|route=18
|route=18
|alternate_name={{nihongo|国道18号|Kokudō jūhachi-gō}}
|alternate_name=
|maint=
|maint=
|map={{Maplink2|frame=yes|plain=yes|frame-align=center|frame-height=300|type=line|stroke-width=2}}
|map=Japan National Route 18 Map.png
|map_custom=yes
|length_km=193.9
|length_km=193.9
|length_round=
|length_round=
|length_ref=<ref>{{cite web|title=一般国道の路線別、都道府県別道路現況|trans-title=Road statistics by General National Highway route and prefecture|url=http://www.mlit.go.jp/road/ir/ir-data/tokei-nen/2016/pdf/d_genkyou26.pdf|language=ja|publisher=Ministry of Land, Infrastructure, Transport and Tourism|access-date=19 February 2020}}</ref>
|length_ref=
|established=
|established=4 December 1952
|direction_a=
|direction_a=North
|terminus_a={{jct|country=JPN|Route|8|Route|350}} in [[Jōetsu, Niigata|Jōetsu]]
|terminus_a=
|junction=
|junction=
|direction_b=
|direction_b= South
|terminus_b=
|terminus_b={{jct|country=JPN|Route|17}} in [[Takasaki]]
|previous_type=Route
|previous_type=Route
|previous_route=17
|previous_route=17
Line 22: Line 25:
}}
}}


'''National Route 18''' is a [[National highways of Japan|national highway]] connecting [[Takasaki, Gunma]] and [[Jōetsu, Niigata|Joetsu, Niigata]] in [[Japan]].<ref>{{cite web
{{nihongo|'''National Route 18'''|国道18号|Kokudō jūhachi-gō}} is a [[National highways of Japan|national highway]] connecting [[Takasaki]] and [[Jōetsu, Niigata|Joetsu, Niigata]] in [[Japan]].<ref>{{cite web
|script-title=ja:一般国道１８号
|script-title=ja:一般国道１８号
|url=http://www.ktr.mlit.go.jp/honkyoku/road/jikoku/station/r018.html
|url=http://www.ktr.mlit.go.jp/honkyoku/road/jikoku/station/r018.html
|publisher=Ministry of Land, Infrastructure, Transport and Tourism. Kanto Regional Development Bureau.
|publisher=Ministry of Land, Infrastructure, Transport and Tourism. Kanto Regional Development Bureau.
|access-date=29 November 2010
|accessdate=2010-11-29
|language=ja
|language=ja
|deadurl=yes
|url-status=dead
|archiveurl=https://web.archive.org/web/20110928103702/http://www.ktr.mlit.go.jp/honkyoku/road/jikoku/station/r018.html
|archive-url=https://web.archive.org/web/20110928103702/http://www.ktr.mlit.go.jp/honkyoku/road/jikoku/station/r018.html
|archive-date=28 September 2011
|archivedate=2011-09-28
}}</ref> A section of the highway is designated as a part of the [[Japan Romantic Road]].<ref name="guide">{{cite web|title=Japan Romantic Road|url=https://www.japan-guide.com/e/e7450.html#section_main_content|publisher=japan-guide.com|date=13 May 2020|accessdate=18 February 2021}}</ref>
|df=

}}</ref>
==Route Data==
==Route data==
*Length: 193.9&nbsp;km (120.5&nbsp;mi)
*Length: 193.9&nbsp;km (120.5&nbsp;mi)
*Origin: [[Takasaki, Gunma|Takasaki City]] (originates at junction with [[Route 17 (Japan)|Route 17]])
*Origin: [[Takasaki]] (originates at junction with [[Japan National Route 17|National Route 17]])
*Terminus: [[Joetsu, Niigata|Joetsu City]] (ends at Junction with [[Route 8 (Japan)|Route 8]])
*Terminus: [[Jōetsu, Niigata]] (ends at Junction with [[Japan National Route 8|National Route 8]] and [[Japan National Route 350|National Route 350]])
*Major cities: [[Komoro, Nagano|Komoro]], [[Ueda, Nagano|Ueda]], [[Chikuma, Nagano|Chikuma]], [[Nagano, Nagano|Nagano]]
*Major cities: [[Komoro, Nagano|Komoro]], [[Ueda, Nagano|Ueda]], [[Chikuma, Nagano|Chikuma]], [[Nagano (city)|Nagano]]


==History==
==History==
*1952-12-04 - First Class National Highway 18 (from [[Takasaki, Gunma|Takasaki]] to [[Joetsu, Niigata|Joetsu]])
*4 December 1952 - First Class National Highway 18 (from [[Takasaki]] to [[Joetsu, Niigata|Joetsu]])
*1965-04-01 - General National Highway 18 (from [[Takasaki, Gunma|Takasaki]] to [[Joetsu, Niigata|Joetsu]])
*1 April 1965 - General National Highway 18 (from [[Takasaki]] to [[Joetsu, Niigata|Joetsu]])


==Municipalities passed through==
==Municipalities passed through==
*[[Gunma Prefecture]]
*[[Gunma Prefecture]]
**[[Takasaki, Gunma|Takasaki]] - [[Annaka, Gunma|Annaka]]
**[[Takasaki]] - [[Annaka, Gunma|Annaka]]
*[[Nagano Prefecture]]
*[[Nagano Prefecture]]
**[[Karuizawa, Nagano|Karuizawa]] - [[Miyota, Nagano|Miyota]] - [[Komoro, Nagano|Komoro]] - [[Tomi, Nagano|Tomi]] - [[Ueda, Nagano|Ueda]] - [[Sakaki, Nagano|Sakaki]] - [[Chikuma, Nagano|Chikuma]] - [[Nagano, Nagano|Nagano]] - [[Obuse, Nagano|Obuse]] - Nagano - [[Iizuna, Nagano|Iizuna]] - [[Shinano, Nagano|Shinano]]
**[[Karuizawa, Nagano|Karuizawa]] - [[Miyota, Nagano|Miyota]] - [[Komoro, Nagano|Komoro]] - [[Tomi, Nagano|Tomi]] - [[Ueda, Nagano|Ueda]] - [[Sakaki, Nagano|Sakaki]] - [[Chikuma, Nagano|Chikuma]] - [[Nagano, Nagano|Nagano]] - [[Obuse, Nagano|Obuse]] - Nagano - [[Iizuna, Nagano|Iizuna]] - [[Shinano, Nagano|Shinano]]
Line 52: Line 55:


==Intersects with==
==Intersects with==
{{RJL|date=November 2021}}
*[[Gunma Prefecture]]
*[[Gunma Prefecture]]
**Routes [[Route 17 (Japan)|17]], [[Route 354 (Japan)|354]] and [[Route 406 (Japan)|406]]; at Takasaki City
**Routes [[Japan National Route 17|17]], [[Japan National Route 354|354]] and [[Japan National Route 406|406]]; at Takasaki City
*[[Nagano Prefecture]]
*[[Nagano Prefecture]]
**[[Route 146 (Japan)|Route 146]]; at Karuizawa Town
**[[Japan National Route 146|Route 146]]; at Karuizawa Town
**[[Route 141 (Japan)|Route 141]]; at Komoro City - Ueda City
**[[Japan National Route 141|Route 141]]; at Komoro City - Ueda City
**Routes [[Route 143 (Japan)|143]], [[Route 144 (Japan)|144]] and [[Route 152 (Japan)|152]]; at Ueda City
**Routes [[Japan National Route 143|143]], [[Japan National Route 144|144]] and [[Japan National Route 152|152]]; at Ueda City
** [[Route 403 (Japan)|Route 403]]; at Chikuma City
** [[Japan National Route 403|Route 403]]; at Chikuma City
** Routes [[Route 19 (Japan)|19]], [[Route 117 (Japan)|117]] and 406; at Nagano City
** Routes [[Japan National Route 19|19]], [[Japan National Route 117|117]] and 406; at Nagano City
* [[Niigata Prefecture]]
* [[Niigata Prefecture]]
** [[Route 292 (Japan)|Route 292]]; at Myoko City
** [[Japan National Route 292|Route 292]]; at Myoko City
** [[Route 405 (Japan)|Route 405]]; at Joetsu City
** [[Japan National Route 405|Route 405]]; at Joetsu City
** Routes [[Route 8 (Japan)|8]] and [[Route 350 (Japan)|350]]; at the terminus in Joetsu City
** Routes [[Japan National Route 8|8]] and [[Japan National Route 350|350]]; at the terminus in Joetsu City


== Bypasses ==
==Bypasses==
Among other sections already finished, a bypass running on the west side of the [[Chikuma River]] from the extreme southern part of [[Nagano City]] to [[Ueda, Nagano|Ueda]] is currently under construction. As of 2008, only a small amount of sections of this bypass has been completed. The completed sections are in [[Ueda, Nagano|Ueda]], just west of the [[Chikuma River]], and in [[Chikuma, Nagano|Chikuma]] from Inariyama to just south of Yawata.
Among other sections already finished, a bypass running on the west side of the [[Chikuma River]] from the extreme southern part of [[Nagano City]] to [[Ueda, Nagano|Ueda]] is currently under construction. As of 2008, only a small amount of sections of this bypass has been completed. The completed sections are in [[Ueda, Nagano|Ueda]], just west of the [[Chikuma River]], and in [[Chikuma, Nagano|Chikuma]] from Inariyama to just south of Yawata.


== References ==
==References==
{{Reflist}}
{{Reflist}}


{{commonscat|Route 18 (Japan)}}
{{Commons category|Route 18 (Japan)}}


⚫
[[Category:National highways in Japan|018]]
{{National Routes of Japan|18}}
{{National Routes of Japan|18}}

⚫
[[Category:National highways of Japan|018]]
[[Category:Roads in Gunma Prefecture]]
[[Category:Roads in Nagano Prefecture]]
[[Category:Roads in Niigata Prefecture]]
[[Category:1952 establishments in Japan]]



{{Japan-road-stub}}
{{Japan-road-stub}}

Latest revision as of 23:47, 24 November 2024

National Route 18 shield
National Route 18
国道18号
Map
Route information
Length193.9 km[1] (120.5 mi)
Existed4 December 1952–present
Major junctions
North end National Route 8 / National Route 350 in Jōetsu
South end National Route 17 in Takasaki
Location
CountryJapan
Highway system
← National Route 17→ National Route 19

National Route 18 (国道18号, Kokudō jūhachi-gō) is a national highway connecting Takasaki and Joetsu, Niigata in Japan.[2] A section of the highway is designated as a part of the Japan Romantic Road.[3]

Route data

[edit]

History

[edit]
  • 4 December 1952 - First Class National Highway 18 (from Takasaki to Joetsu)
  • 1 April 1965 - General National Highway 18 (from Takasaki to Joetsu)

Municipalities passed through

[edit]

Intersects with

[edit]

Bypasses

[edit]

Among other sections already finished, a bypass running on the west side of the Chikuma River from the extreme southern part of Nagano City to Ueda is currently under construction. As of 2008, only a small amount of sections of this bypass has been completed. The completed sections are in Ueda, just west of the Chikuma River, and in Chikuma from Inariyama to just south of Yawata.

References

[edit]
  1. ^ "一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture] (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 19 February 2020.
  2. ^ 一般国道１８号 (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Kanto Regional Development Bureau. Archived from the original on 28 September 2011. Retrieved 29 November 2010.
  3. ^ "Japan Romantic Road". japan-guide.com. 13 May 2020. Retrieved 18 February 2021.
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