National Route 423 | ||||
---|---|---|---|---|
国道423号 | ||||
新御堂筋 (Shinmidō-suji) | ||||
Route information | ||||
Length | 50.6 km[1] (31.4 mi) | |||
Existed | 1982–present | |||
Major junctions | ||||
South end | National Route 25 in Kita-ku, Osaka | |||
North end | National Route 9 in Kameoka, Kyoto | |||
Location | ||||
Country | Japan | |||
Highway system | ||||
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National Route 423 (国道423号, Kokudō Yonhyaku ni-jusangō) is a national highway of Japan connecting Kita-ku, Osaka and Kameoka, Kyoto in the Kansai region of Japan.
Route description[edit]
National Route 423 has a total length of 50.6 kilometers (31.4 mi).
Minō Toll Road[edit]
The Minō Toll Road is a 7.2-kilometer-long (4.5 mi) two-lane toll road in Minoh, Osaka that connects the Shin-Meishin Expressway to the southern limits of the city via a tunnel under Mount Minō. It is a part of Route 423 that is tolled and maintained by the Osaka Prefectural Road Corporation.[2]
Shinmidō-suji[edit]
The Shinmidō-suji is a 7.2-kilometer-long (4.5 mi) controlled-access highway that runs from the northern terminus of the Midōsuji in Kita-ku to the southern terminus of the Minō Toll Road in Minoh. From Kita-ku to Toyonaka, the median of the highway is utilized by the Midōsuji Line and Kita-Osaka Kyuko Railway.
History[edit]
Much of what is now National Route 423 was part of the Settan-kaido, a road linking Ikeda in what was Settsu Province and Kameoka in what was then Tanba Province.[3]
In 1964, the portion of the route between Kita-ku and Osaka Prefecture Route 9, known as the Shinmidō-suji, was built alongside the extended Midōsuji Line to accommodate automobile traffic from Shin-Ōsaka Station into central Osaka. Later in the decade, Shinmidō-suji was extended north again along with the Midōsuji Line to Suita were the venue for the Expo '70 was. National Route 423 was established in 1982 along the Shinmidō-suji, the planned Minō Toll Road, and the older Settan-kaido.[4]
The Minō Toll Road section was opened to traffic on 30 May 2007 between Osaka Route 9 and the northern terminus at the Ikeda–Minoh route of National Route 423, completing the route.[5] On 10 December 2017 the highway was connected to the Shin-Meishin Expressway at the northern terminus of the Ikeda–Minoh route and the toll road.[6]
List of major junctions[edit]
Prefecture | Location | km | mi | Exit | Name | Destinations | Notes |
---|---|---|---|---|---|---|---|
Osaka | Kita-ku, Osaka | 0.0 | 0.0 | — | Umeshin-minami | National Route 25 south (Midōsuji) | Southern terminus; traffic can only travel southbound on Midōsuji |
0.2 | 0.12 | — | Umeshin-higashi | National Route 1 (Sonezaki-dori) | Partial interchange; southern end of controlled-access highway segment | ||
Yodo River | 2.31 3.06 | 1.44 1.90 | Shin-Yodogawa Great Bridge | ||||
Yodogawa-ku, Osaka | 3.4 | 2.1 | — | Nishinakajima | Osaka Prefecture Route 16 (Yodogawa Route) | Northbound exit, southbound entrance | |
4.2 | 2.6 | — | Shin-Ōsaka | Shin-Osaka Station access road | |||
Suita | 7.0 | 4.3 | — | Esaka | National Route 479 | ||
11.0 | 6.8 | — | Momoyamadai | Osaka Prefecture Route 35 (Toyonaka-Settsu Route) | |||
Toyonaka | 12.6 | 7.8 | — | Senri | Osaka Prefecture Route 2– to Chūgoku Expressway | ||
Minoh | 15.3 | 9.5 | — | Minō | National Route 171 – Kyoto, Kobe | Northern end of controlled-access highway segment | |
16.2 | 10.1 | — | Hakushima | Osaka Prefecture Route 9 | Southern terminus of the Minō Toll Road; northern terminus of Shinmidō-suji; southbound entrance, northbound exit | ||
23.4 | 14.5 | 13 | Minō-Todoromi | National Route 423 south (Ikeda-Minoh route) / Shin-Meishin Expressway – Kyoto, Tsuyama, Okayama, Ikeda, Toyono | Northern terminus of the Minō Toll Road | ||
Toyono | 21.0 | 13.0 | — | Kanaishibashi | Osaka Prefecture Route 4 | ||
22.7 | 14.1 | — | Kishiroguchi | Osaka Prefecture Route 110 south | |||
23.2 | 14.4 | — | Kishiroguchi | Osaka Prefecture Route 109 east | |||
24.4 | 15.2 | — | Myokenguchi | Osaka Prefecture Route 605 west | |||
Kyoto | Kameoka | 27.9 | 17.3 | — | Yunohara | Kyoto Prefecture Route 733 east | |
30.5 | 19.0 | — | Waroji | Kyoto Prefecture Route 732 west | |||
36.3 | 22.6 | — | Sogabe | Kyoto Prefecture Route 407 | |||
38.0 | 23.6 | 13 | Kameoka | National Route 372 west / Kyoto Jūkan Expressway | Southern end of Route 372 concurrency; interchange | ||
38.1 | 23.7 | — | Kazanokuchi | Kyoto Prefecture Route 406 west | |||
39.1 | 24.3 | — | Kazuka | National Route 9 (San'indō) / Kyoto Prefecture Route 403 east | Northern terminus; northern end of Route 372 concurrency | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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Ikeda–Minoh route[edit]
The entire toll road is in Osaka Prefecture.
Location | km | mi | Exit | Name | Destinations | Notes | |
---|---|---|---|---|---|---|---|
Ikeda | 0.0 | 0.0 | — | Kibechō | National Route 173 | Southern terminus | |
0.3 | 0.19 | 11-14 | Ikeda-Kibe Daiichi | Hanshin Expressway Ikeda Route | Northbound entrance, southbound exit | ||
Minoh | 6.2 | 3.9 | 13 | Minō-Todoromi | National Route 423 / Shin-Meishin Expressway – Kyoto, Tsuyama, Okayama, Ikeda, Toyono | Northern terminus of the Ikeda-Minoh route | |
Through to National Route 423 (main route) | |||||||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi |
References[edit]
- ^ "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.
- ^ "箕面有料道路(グリーンロード)". Osaka Prefectural Road Corporation (in Japanese). Archived from the original on 26 August 2019. Retrieved 31 July 2019.
- ^ "Settan". Retrieved 6 August 2019.
- ^ "一般国道の路線を指定する政令". Retrieved 6 August 2019.
- ^ "Mino Tunnel Construction Project [Osaka Prefecture]". Retrieved 3 August 2019.
- ^ "E1A新名神高速道路(高槻JCT・IC~川西IC間)が平成29年12月10日(日曜)に開通します". Retrieved 31 July 2019.
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