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Japan National Route 42

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Road in Japan
National Route 42 shield National Route 42
国道42号
Route information
Length504.6 km (313.5 mi)
Existed1 April 1959–present
Major junctions
East end National Route 1 in Hamamatsu
West end National Route 24 in Wakayama
Location
CountryJapan
Highway system
← National Route 41→ National Route 43

National Route 42 (国道42号, Kokudō yonjūni-gō), also called Kumano Kaidō or Tropical Route is a national highway connecting Hamamatsu, Shizuoka and Wakayama, Wakayama in Japan. Part of the route requires crossing Ise Bay on the Ise-wan Ferry. It is the 8th longest national highway in Japan.

Route data

The total length on the main road is 487.2km(307.2 miles). However, by factoring in the overlapped section (33.4km/20.8 miles) and the sea crossing(19.8km/12.3 miles)the total distance becomes 540.3km(335.7miles). At the origin Hamamatsu, the route starts overlapped with Route 1 and, is a junction to route 257 and 300. The route passes though the cities of Tahara, Toba, Ise, Matsusaka, Owase, Kumano, Shingū, Tanabe, and Gobō. At the terminus Wakayama, there is a junction with national route 24 and 26.

Overlapping sections

  • From the origin to Kosai: Route 1
  • From Tahara to Toba (Ferry crossing section): Route 259
  • From Toba to Ise: Route 167
  • From Ise to Matsusaka : Route 23
  • From Tanabe to Minabe: Route 424

History

Route 42 was originally designated in January 1945 as a section of Route 41 (the Kumano Highway), which ran to Tokyo. This ran concurrent with Route 1 (now Route 1/Route 23). On 18 May 1953 Route 41 was classified as a Class 2 highway and redesignated as Route 170, which was later redesignated as Route 42 when the route was promoted to a Class 1 highway. On 1 April 1965, the classification of Class 1 and Class 2 was discontinued, redesignating it as General National Route 42.

On 1 April 1993, the highway was changed by removing the section of Tsu-Matsusaka and adding the Hamamatsu - Matsusaka. This was part of the plan to connect the Atsumi Peninsula, though the Kii Peninsula, Shikoku, Kyushu and terminating at Okinawa. This plan is called the Japan Sea National Land Axis Plan.

Passes through

Shizuoka Prefecture
  • Hamana Bypass (浜名バイパス)
    • Hamamatsu - Kosai
Aichi Prefecture
  • Sanen Ise Access Road (三遠伊勢連絡道路) - Planning Stage
    • Hamamatsu - Ise (Mie Prefecture)
Mie Prefecture
  • Matsusaka - Taki Bypass (松阪多気バイパス)
    • Matsusaka - Taki
  • Kumano - Owase Road (熊野尾鷲道路)
    • Owase - Kumano
  • Odomari Bypass (大泊バイパス)
    • Kumano
  • Kumano Road (熊野道路)
    • Kumanoo
  • Kiho Bypass (紀宝バイパス)
    • Kiho - Shingu
  • Shingu - Kiho Road (新宮紀宝道路)
    • Kiho - Shingu
Wakayama Prefecture
  • Nachikatsuura - Shingu Road (那智勝浦新宮道路)
    • Shingu - Nachikatsuura
  • Kushimoto - Taiji Road (串本太地道路)
    • Taiji - Kushimoto
  • Susami - Kushimoto Road (すさみ串本道路)
    • Kushimoto - Susami
  • Yuasa - Gobo Road (湯浅御坊道路) - Toll Road
    • Gobo - Yuasa
  • Hiki River Road (日置川道路)
    • Sasumi - Shirahama
  • Tanabe Bypass (田辺バイパス)
    • Kamitonda - Tanabe
  • West Tanabe Bypass (田辺西バイパス)
    • Tanabe
  • Yura Bypass (由良バイパス)
    • Yura - Hirogawa
  • Arida Bypass (有田バイパス)
    • Arida
  • Shimizu Widening (冷水拡幅) - Partially Under Construction
    • Kainan
  • Arita - Kainan Road (有田海南道路) - Partially Under Construction
    • Arida - Kainan
  • Kainan Bypass (海南バイパス)
    • Kainan

Intersects with

This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table. Please consult this guideline for information on how to create one. Please improve this article if you can. (November 2021)
PrefectureLocationkmmiDestinationsNotes
ShizuokaHamamatsu National Route 257 / National Route 301 – Takayama, Toyota
National Route 1 – Osaka, Tokyo		Overlapping section of National Route 1
Kosai National Route 257 / National Route 301 – Takayama, Toyota
National Route 1 – Osaka, Tokyo		End of overlapping section of National Route 1
AichiTaharaAichi Prefectural Route 28 – Takahara
Aichi Prefectural Route 2 – Toyohashi
National Route 259 – Toba,ToyohashiOverlapping section with National Route 259
Ise WanTahara - TobaIse Wan Ferry
MieToba National Route 167 – Shima,IseOverlapping section with National Route 167
National Route 167 – Shima,IseEnd of overlapping section for National Route 167
IseIse-Futami-toba Line - Ise
National Route 23 – Toyohashi,Ise
MeiwaMie Prefectural Route 60 – Ise, Matsusaka
MatsusakaMie Prefectural Route 59 – Matsusaka
National Route 23 – Ise, ToyohashiEnd of overlapping section with National Route 23
Mie Prefectural Route 60 – Ise, MatsusakaOn the Matsusaka - Taki Bypass
Mie Prefectural Route 37 – Toba, MatsusakaOn the Matsusaka - Taki Bypass
Mie Prefectural Route 59 – MatsusakaOn the Matsusaka - Taki Bypass
Mie Prefectural Route 59 – MatsusakaOn the Matsusaka - Taki Bypass
Mie Prefectural Route 59 – Matsusaka
Mie Prefectural Route 59 – Matsusaka
TakiMie Prefectural Route 13 – Ise,Taki
Ise Expressway - Ise,Tsu
Kisei Expressway - Taki,Owase		Seiwa-Taki Interchange
National Route 368 – Iga, Taki
OdaiMie Prefectural Route 46 – Minamiise,Odai
Mie Prefectural Route 31 – Odai
Kisei Expressway - Taki,OwaseOmiya - Odai Interchange
TaikiMie Prefectural Route 38 – Taiki,Ise
Mie Prefectural Route 33 – Taiki,Ise
Mie Prefectural Route 68– TaikiConnecting to Kisei Expressway - Taki,Owase
Kihoku National Route 260 – Kihoku, Shima
National Route 422 – Otsu, Kihoku
National Route 422 – Otsu, Kihoku
Kisei Expressway - Taki,OwaseMiyama Interchange
Owase National Route 425 – Owase, Gobo
National Route 311 – Owase, Kamitonda
Mie Prefectural Route 70 – Owase
Mie Prefectural Route 70 – OwaseOn the Kumano Owase Road (Bypass)
Kumano National Route 309 – Osaka, Kumano
National Route 311 – Owase, KamitondaOverlapping section with National Route 311
Mie Prefectural Route 34 – Kumano
National Route 311 – Owase, KamitondaEnd of overlapping section of National Route 311
MihamaMie, Wakayama Prefectural Route 52 – Mihama,Kitayama
Mie Prefectural Route 62 – Mihama,Kumano
KihoMie Prefectural Route 35 – KIho,MihamaOn Kiho Bypass
WakayamaShinguWakayama Prefectural Route 42 – Shingu
National Route 168 – Shingu, Hirakata
NachikatsuuraWakayama Prefectural Route 43 – Nachikatsuura,Kozagawa
Wakayama Prefectural Route 46 – NachikatsuuraEntrance of Bypass road
Wakayama Prefectural Route 46 – Nachikatsuura
Wakayama Prefectural Route 46 – Nachikatsuura
Wakayama Prefectural Route 45 – Nachikatsuura,Tanabe
KushimotoWakayama Prefectural Route 38 – Kushimoto,Susami
Wakayama Prefectural Route 41 – Kushimoto
Wakayama Prefectural Route 41 – Kushimoto
National Route 371 – Kushimoto, Kawachinagano
Wakayama Prefectural Route 39 – Kushimoto,Kozagawa
SusamiWakayama Prefectural Route 36 – Susami,Kamitonda
Wakayama Prefectural Route 38 – Kushimoto,Susami
ShirahamaWakayama Prefectural Route 37 – Shirahama,Tanabe
Wakayama Prefectural Route 34 – Shirahama
KamitondaWakayama Prefectural Route 31 – Shirahama,Tanabe
National Route 311 – Owase, Kamitonda
TanabeWakayama Prefectural Route 33 – Tanabe
Wakayama Prefectural Route 31 – Shirahama,Tanabe		To Nanki-Shirahama Airport
Wakayama Prefectural Route 29 – Tanabe
Wakayama Prefectural Route 208 – Tanabe
Hanwa Expressway
Kisei Expressway		Nanki Tanabe Interchange
National Route 424 – Tanabe, KinokawaOverlapping section with National Route 424
Minabe National Route 424 – Tanabe, KinokawaEnd of overlapping section with National Route 424
InamiWakayama Prefectural Route 28 – Inami
Gobo National Route 425 – Owase, Gobo
Wakayama Prefectural Route 25 – Gobo,Hidakagawa
Wakayama Prefectural Route 26 – Gobo,Hidakagawa
Wakayama Prefectural Route 24 – Gobo,Hidakagawa
HidakaWakayama Prefectural Route 27 – Hidaka,Inami
Wakayama Prefectural Route 23 – Hidaka,Yuasa
YuraWakayama Prefectural Route 23 – Hidaka,Yuasa
Wakayama Prefectural Route 23 – Hidaka,Yuasa
HirogawaWakayama Prefectural Route 27 – Hidaka,Inami
Hanwa ExpresswayHirokawa Interchange
YuasaWakayama Prefectural Route 23 – Hidaka,Yuasa
Aridagawa Hanwa ExpresswayArida Interchange
Wakayama Prefectural Route 22 – Aridagawa
AridaWakayama Prefectural Route 20 – Arida,Yuasa
Wakayama Prefectural Route 20 – Arida,Yuasa
National Route 480 – Arida, Izumiotsu
Kainan Hanwa ExpresswayKainan Interchange
National Route 370 – Kainan, Nara
Wakayama Prefectural Route 9 – Kainan,Iwade
WakayamaWakayama Prefectural Route 13 – Wakayama,Hashimoto
National Route 26 – Wakayama, Osaka
National Route 24 – Wakayama, Kyoto
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  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４２号 (in Japanese). Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 29 November 2010.
  3. 一般国道42 号 (in Japanese). Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 29 November 2010.
  4. 国土交通省道路局. "道路統計年報2023".
  5. "三重県｜地方分権：国土の中央部の優位性". www.pref.mie.lg.jp (in Japanese). Retrieved 2024-10-17.
  6. "Sea of Japan National Land Axis Concept | International Highway Foundation promoting the Japan-Korea Tunnel Project". ihf.jp. Retrieved 2024-10-17.
  7. "浜名バイパス｜国道1号｜道路事業｜国土交通省 中部地方整備局 浜松河川国道事務所". www.cbr.mlit.go.jp. Retrieved 2024-10-17.
  8. "三重県｜交通総合：伊勢湾口道路". www.pref.mie.lg.jp (in Japanese). Retrieved 2024-10-17.
  9. "国道42号松阪多気バイパス | 事業の紹介 | 国土交通省中部地方整備局 紀勢国道事務所". 国土交通省中部地方整備局 紀勢国道事務所 (in Japanese). Retrieved 2024-10-17.
  10. "国道42号 熊野尾鷲道路 | 事業の紹介 | 国土交通省中部地方整備局 紀勢国道事務所". 国土交通省中部地方整備局 紀勢国道事務所 (in Japanese). Retrieved 2024-10-17.
  11. "No10：平成11年（1999年）～平成15年（2003年）｜旧熊野市の歩み｜熊野市". www.city.kumano.lg.jp (in Japanese). 2023-03-17. Retrieved 2024-10-17.
  12. "国道42号 熊野道路 | 事業の紹介 | 国土交通省中部地方整備局 紀勢国道事務所". 国土交通省中部地方整備局 紀勢国道事務所 (in Japanese). Retrieved 2024-10-17.
  13. 紀宝町 (July 2013). "Public Relations Kiho 2013 vol.90" (PDF). Retrieved 18 October 2024.
  14. "一般国道42号 新宮紀宝道路｜道の情報｜国土交通省近畿地方整備局 紀南河川国道事務所". www.kkr.mlit.go.jp. Retrieved 2024-10-17.
  15. "一般国道42号 那智勝浦道路｜道の情報｜国土交通省近畿地方整備局 紀南河川国道事務所". www.kkr.mlit.go.jp. Retrieved 2024-10-17.
  16. "一般国道42号 串本太地道路｜道の情報｜国土交通省近畿地方整備局 紀南河川国道事務所". www.kkr.mlit.go.jp. Retrieved 2024-10-17.
  17. "一般国道42号 すさみ串本道路｜道の情報｜国土交通省近畿地方整備局 紀南河川国道事務所". www.kkr.mlit.go.jp. Retrieved 2024-10-17.
  18. 国土交通省 (2013). "平成２５年度予算要求に係る新規事業採択時評価" (PDF). Retrieved 18 October 2024.
  19. "効果事例". www.mlit.go.jp. Retrieved 2024-10-17.
  20. ^ 国土交通省 (March 2024). "田辺西バイパス 田辺バイパス" (PDF). Retrieved 18 October 2024.
  21. ^ "和歌山河川国道事務所 | いこら！和歌山。". www.kkr.mlit.go.jp. Retrieved 2024-10-17.
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