Minamikyushu Expressway

Minamikyushu Expressway (南九州自動車道, Minami-Kyūshū jidōshadō) is one of the Expressways of Japan from Yatsushiro to Kagoshima linking with the Kyushu Expressway. It runs through the southern half of Kumamoto prefecture, and the northern half of the Kagoshima prefecture. The total length is 140 km.

Minamikyushu Expressway sign
Minamikyushu Expressway
E3A 南九州自動車道
Route information
Length140 km (87 mi)
Existed1988–present
Major junctions
FromYatsushiro Junction in Yatsushiro, Kumamoto
Kyushu Expressway
ToKagoshima Junction in Kagoshima, Kagoshima
Kyushu Expressway
Ibusuki Skyline
Location
CountryJapan
Major citiesMinamata, Izumi, Akune, Satsumasendai,
Ichikikushikino, Hioki
Highway system
Kagoshima,Japan

Overview

The first section of the expressway was opened to traffic in 1988. As of March 2007 the expressway incomplete in many areas. The next sections are scheduled to open in 2009 (Tanoura Interchange to Ashikita Interchange). After this, Most of the incomplete areas will be built according to the New Direct Control System, whereby the burden for construction costs will be shared by the national and local governments and no tolls will be collected. Currently the section between Hinagu Interchange and Tsunagi Interchange, Noda Interchange and Akune Interchange, and Satsumasendai-Mizuhiki Interchange and Ichiki Interchange operates according to this principle.

The route parallels the Kagoshima Main Line of Kyushu Railway Company and National Route 3 for much of its length.

History
  • October 19, 1988, a section from Kagoshima-nishi to Kagoshima Interchange was opened to traffic.
  • March 26, 1998, a section from Ijuin to Kagoshima-nishi Interchanges was opened to traffic.
  • April 20, 1998, a section from Yatsushiro Junction to Yatsushiro-minami Interchange was opened to traffic.
  • October 6, 2001, a section from Yatsushiro-minami to Hinagu Interchange was opened to traffic.
  • April 6, 2002, a section from Ichiki to Ijuin Interchanges was opened to traffic.
  • February 27, 2005, a section from Hinagu to Tanoura Interchange was opened to traffic.
  • March 13, 2005, a section from Kushikino to Ichiki Interchange was opened to traffic.
  • March 3, 2007, a section from Satsumasendai-Miyako to Kushikino Interchange was opened to traffic.
  • March 31, 2008, the Miyama Interchange was opened.
  • April 29, 2009, a section from Tanoura to Ashikita Interchange was opened to traffic.
  • March 10, 2013, a section from Satsumasendai-Mizuhiki to Satsumasendai-Takae Interchange was opened to traffic.
  • March 7, 2015, a section from Satsumasendai-Takae to Satsumasendai-Miyako Interchange was opened to traffic.
  • March 29, 2015, a section from Akune-kita to Akune Interchange was opened to traffic.
  • December 19, 2015, a section from Noda to Akune-kita Interchange was opened to traffic.
  • February 27, 2016, a section from Ashikita to Tsunagi Interchange was opened to traffic.
  • March 11, 2017, a section from Tanaono-kita to Noda Interchange was opened to traffic.
  • November 12, 2017, a section from Izumi to Tanaono-kita Interchange was opened to traffic.
  • March 2, 2019, a section from Tsunagi to Minamata Interchange was opened to traffic.

Interchanges
No. Name Connections Dist.
from
Origin		 Dist.
from
Terminus		 Bus
stop		 Notes Location
(18-1) Yatsushiro JCT Kyushu Expressway 0.0 141.9 Only accessible for Kumamoto and Fukuoka Kumamoto Yatsushiro
1 Yatsushiro-Minami IC National Route 3 6.6 135.3
TB Hinagu TB 10.4 131.5
2 Hinagu IC National Route 3 12.0 129.9
3 Tanoura IC National Route 3 20.8 121.1 Ashikita
4 Ashikita IC Pref. Route 27 (Ashikita Kuma Route) 28.8 113.1
5 Tsunagi IC National Route 3 36.5 105.4 Tsunagi
6 Minamata IC National Route 3
National Route 268		 42.1 99.8 Minamata
<7> Fukuro IC National Route 3 49.5 92.4 Planned
<8> Izumi-Kita IC 53.9 88.0 Planned Kagoshima Izumi
9 Izumi IC National Route 328 58.4 83.5
10 Takaono-Kita IC Pref. Route 374 (Izumi Takaono Route) 62.3 79.6
11 Noda IC Pref. Route 368 (Arasaki Tashiro Route) 65.1 76.8
12 Akune-Kita IC National Route 3
National Route 389
Hokusatsu-Odan Road (planned)		 69.1 72.8 Akune
13 Akune IC Pref. Route 46 (Akune Togo Route) 73.3 68.6
<14> Nishime IC National Route 3 77.4 64.5 Planned
<15> Okawa IC National Route 3 82.7 59.2 Planned
<16> Yuda-Nishikata IC 90.5 51.4 Planned Satumasendai
17 Satsumasendai-Mizuhiki IC National Route 3 95.7 46.2
18 Satsumasendai-Takae IC Pref. Route 43 (Sendai Kushikino Route) 99.2 42.7
19 Satumasendai-Miyako IC National Route 3 (Kumanojō Bypass) 105.9 36.0
TN Miyako Tunnel 106.6 35.3
TN Kinzan Tunnel 111.1 30.8 Ichikikushikino
20 Kushikino IC Pref. Route 39 (Kushikino Hiwaki Route) 112.4 29.5
BS Ichiki BS 115.9 26.0 ◆
TN Osato Tunnel 116.9 25.0
21 Ichiki IC National Route 3 119.7 22.2
BS Higashi-Ichiki BS 120.7 21.2 ○ Hioki
22 Miyama IC 124.7 17.2 Only accessible for Kagoshima
PA Miyama PA 124.7 17.2
TB Miyama TB 124.9 17.0
BS Ijuin BS 129.3 12.6 ○
23 Ijuin IC Pref. Route 206 (Tokushige Yokoi Kagoshima Route) 130.8 11.1
24 Matsumoto IC/TB Pref. Route 210 (Koyamada Taniyama Route) 135.6 6.3 Kagoshima
BS Matsumoto BS 136.3 5.6 ◆
25 Kagoshima-Nishi IC Pref. Route 24 (Kagoshima Higashiichiki Route) 141.0 0.9
(29) Kagoshima IC/JCT Kyushu Expressway Ibusuki Skyline 141.9 0.0
Kagoshima Tozai Doro

Lanes
  • 2-lane

See also
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