National Route 424 shield
National Route 424
国道424号
National Route 424 highlighted in red
Route information
Length113.0 km[1] (70.2 mi)
Existed1982–present
Major junctions
South endWakayama Prefecture Route 31 in Tanabe
Major intersections
North end National Route 24 in Kinokawa
Location
CountryJapan
Highway system
← National Route 423→ National Route 425

National Route 424 (国道424号, Kokudō Yonhyaku ni-jūyongō) is a national highway located entirely within Wakayama Prefecture, Japan. It connects the cities of Tanabe and Kinokawa, spanning the western side of the prefecture in a south–north routing. The highway has a total length of 113.0 kilometers (70.2 mi).

Route description

The northern end of National Route 424's concurrency with National Route 42 in Minabe.

National Route 424 is a national highway that does not leave Wakayama Prefecture. The highway connects the cities of Tanabe and Kinokawa, running south–north across the prefecture. The highway almost entirely runs through the prefecture's inland mountainous area, paralleling the coastal routing of National Route 42 and the Hanwa Expressway; however, the southernmost section of the highway between Minabe and Tanabe runs along the prefecture's west coast.[2] The highway has a total length of 113.0 kilometers (70.2 mi), excluding its auxiliary routes.[3]

History

On 1 April 1982, National Route 424 was established by the Cabinet of Japan between the city of Tanabe and the former town of Uchita which has since been merged into the city of Kinokawa.[4] In 1996 a project began to widen and straighten a winding one-lane section of the road along the Shuri River in Aridagawa. The realignment project was completed on 11 July 2012 with a total cost of 8.9 billion yen.[2] Another project began in 2010 in Minabe to straighten and shorten the highway. The project was significantly delayed by landslides caused by Tropical Storm Talas on 5 September 2011.[5] On 2 October 2017, the project was completed, shortening the total length of the highway by about a kilometer and a half.[5]

Major intersections

The route lies entirely within Wakayama Prefecture.

Locationkm[3]miDestinationsNotes
Tanabe0.00.0Wakayama Prefecture Route 31 – Shingu, Shirahama, central TanabeSouthern terminus
1.00.62Wakayama Prefecture Route 207 – Nagano
1.20.75Wakayama Prefecture Route 29 – Ryūjin
2.01.2E42 National Route 42 east – to Kisei Expressway east, Hanwa Expressway north
Wakayama Prefecture Route 208 – Central Tanabe		Southern end of National Route 42 concurrency
3.62.2Wakayama Prefecture Route 210 east – Central Tanabe
5.43.4E42 Wakayama Prefecture Route 199 north – to Kisei Expressway east, Hanwa Expressway north, Wakayama, Shirahama
Minabe9.96.2Wakayama Prefecture Route 200 north
10.26.3Wakayama Prefecture Route 201 east – Minabe Station
10.76.6 National Route 42 west – Wakayama, GobōNorthern end of National Route 42 concurrency
12.37.6 Hanwa Expressway – Shirahama, OsakaMinabe Interchange (E42 exit 33)
15.59.6Wakayama Prefecture Route 30 west – InamiSouthern end of Wakayama Prefecture Route 30 concurrency
16.610.3Wakayama Prefecture Route 30 east – Haya, AkitsugawaNorthern end of Wakayama Prefecture Route 30 concurrency
20.512.7Wakayama Prefecture Route 197 west – Furui
26.316.3Wakayama Prefecture Route 199 south – Tanabe
Tanabe35.021.7 National Route 425 east – Shingū, NakahechiSouthern end of National Route 425 concurrency
40.725.3 National Route 425 west / Wakayama Prefecture Route 29 south – InamiNorthern end of National Route 425 concurrency, southern end of Wakayama Prefecture Route 29 concurrency
44.627.7Wakayama Prefecture Route 29 northNorthern end of Wakayama Prefecture Route 29 concurrency
Hidakagawa59.136.7NR 42 Wakayama Prefecture Route 26 west – to National Route 42, Gobō
Wakayama Prefecture Route 194 east – Kamiubuyugawa
Aridagawa75.146.7Wakayama Prefecture Route 179 west
77.147.9Old National Route 424 north – Kainan
E42NR 42 Wakayama Prefecture Route 22 west – to Hanwa Expressway, National Route 42, Arida, Yuasa
77.748.3 National Route 480 – Arida, Kōya, Shimizu
78.949.0NR 42 Wakayama Prefecture Route 18 north – to National Route 42, Arida
79.149.2Wakayama Prefecture Route 182 east
81.150.4Wakayama Prefecture Route 183 east – Ohara
86.853.9Wakayama Prefecture Route 184 east – Oishi Highland
Kainan95.859.5Wakayama Prefecture Route 169 east – Kōya, Kimino
96.059.7NR 42 National Route 370 west / National Route 424 north (Sakai Bypass) – to National Route 42, central KainanSouthern end of National Route 370 concurrency
96.760.1 National Route 370 east (Nishi Kōya Kaidō) – KōyaNorthern end of National Route 370 concurrency
97.660.6Wakayama Prefecture Route 138 – Kuroiwa, Kimino
102.163.4Wakayama Prefecture Route 10 south – Kōya, Nokami Industrial SiteSouthern end of Wakayama Prefecture Route 10 concurrency
Kinokawa102.563.7Wakayama Prefecture Route 10 north – Wakayama, IwadeNorthern end of Wakayama Prefecture Route 10 concurrency
102.963.9Wakayama Prefecture Route 129 east – Kaito
104.665.0Wakayama Prefecture Route 13 west – WakayamaSouthern end of Wakayama Prefecture Route 13 concurrency
108.767.5E24NR 24 Wakayama Prefecture Route 128 north – to Keinawa Expressway, National Route 24
Wakayama Prefecture Route 130 west – Iwade
109.468.0Wakayama Prefecture Route 3 east – Kōya, Tomobuchi
111.369.2Wakayama Prefecture Route 13 east – Hashimoto, KatsuragiNorthern end of Wakayama Prefecture Route 13 concurrency
112.670.0Wakayama Prefecture Route 14 – Wakayama, Iwade, Nara, Hashimoto
113.070.2 National Route 24 – Wakayama, Nara, Iwade, Hashimoto
E24 Wakayama Prefecture Route 62 north – to Keinawa Expressway, Izumisano, Kindai University		Northern terminus, road continues north as Wakayama Prefecture Route 62
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

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 11 February 2020.
  2. 1 2 "国道424号 修理川バイパス（有田川町）開通" [National Route 424 Shurigawa Bypass (Aridagawa Town) opened] (in Japanese). Kii Minpō. 25 July 2012. Archived from the original on 24 July 2012. Retrieved 14 May 2021.
  3. 1 2 Google (13 May 2021). "Route 424" (Map). Google Maps. Google. Retrieved 13 May 2021.
  4. ↑ "一般国道の路線を指定する政令の一部を改正する政令" [Cabinet Order to revise a part of the Cabinet Order Designating General National Routes]. Act of 30 April 1981 (in Japanese). Cabinet of Japan. Archived from the original on 1 December 2017. Retrieved 14 May 2021.
  5. 1 2 "国道４２４号【清川き よ か わ工区】の開通について" [About the opening of National Route 424 [Kiyokawa Construction Zone]] (PDF) (in Japanese). Wakayama Prefecture. 7 September 2017. Retrieved 14 May 2021.
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