San'in Expressway (山陰自動車道 San'in Jidōsha-dō) is a proposed expressway extending from Tottori, Tottori prefecture to Mine, Yamaguchi prefecture, of Japan. It will follow a path along the northern (San'in) coast of Chūgoku region, passing through Tottori, Shimane, and Yamaguchi prefectures. It is numbered "E9" along with the Kyoto Jukan Expressway and the San'in Kinki Expressway.[1]

San-in Expressway sign
San-in Expressway
E9 山陰自動車道
Map
Route information
Length380 km (240 mi)
Existed1985–present
Major junctions
FromTottori JCT(Tottori 鳥取, Tottori)
ToMine (Mine 美祢, Yamaguchi)
Location
CountryJapan
Major citiesYonago, Matsue, Hamada
Highway system

Currently, the following segments are designated as part of the National Expressway route:

List of interchanges and features

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Between Tottori Junction and Suko Interchange

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Number Name Connections Distance from Origin (km) Bus Stop Notes Location
Through to   Tottori Expressway
(9) Tottori JCT   San'in Kinki Expressway (planned)
  National Route 29 (Bypass)
0.0 Tottori Tottori
1 Tottori-Nishi IC Tottori Prefectural Route 49 1.8
2 Yoshioka Onsen IC Tottori Prefectural Route 191 7.0
3 Mizuho-Hōgi IC Tottori Prefectural Route 233 12.9
4 Hamamura-Shikano Onsen IC/PA Tottori Prefectural Route 32 14.6
5 Aoya IC   National Route 9 (Aoya Hawai Road)
Tottori Prefectural Route 280
19.3
6 Tomari-Tōgō IC   National Route 9
Tottori Prefectural Route 22
26.5 Yurihama
SA Hawai SA 30.5
7 Hawai IC   National Route 9 32.5
Hōjō IC/JCT Hōjō Yubara Road (planning) opening in 2026 Hokuei
Daiei IC opening in 2026
9 Daiei-Tōhaku IC   National Route 9
Tottori Prefectural Route 320
46.0 Kotoura
10 Kotoura-Higashi IC Tottori Prefectural Route 44 48.6
Kotoura IC/PA 52.7 IC:opening in 2017
11 Kotoura-Senjōsan IC Tottori Prefectural Route 30 55.4 westbound exit, eastbound entrance
55.7 eastbound exit, westbound entrance
12 Akasaki-Nakayama IC Tottori Prefectural Route 228
Tottori Prefectural Route 278
58.0 Daisen
12-1 Nakayama IC Tottori Prefectural Route 278 eastbound exit, westbound entrance
- (Shimoichi Junction) - 62.3 Boundary between Nakayama Nawa Road and Nawa Yodoe Road
13 Nawa IC Tottori Prefectural Route 240 66.6
14 Daisen IC Tottori Prefectural Route 158 71.3
15 Yodoe IC Tottori Prefectural Route 279 74.4
16 Yonago-Higashi IC Tottori Prefectural Route 53 79.3 westbound exit, eastbound entrance Yonago
Yonago JCT
Yonago-Higashi Interchange
  National Route 431
  Yonago Expressway
80.3 eastbound exit, westbound entrance
17 Hinogawa-Higashi IC Tottori Prefectural Route 159
Tottori Prefectural Route 160
81.9 westbound exit, eastbound entrance
82.2 eastbound exit, westbound entrance
18 Yonago-Minami IC   National Route 181 84.8
19-1 Yonago IC Tottori Prefectural Route 300 87.4 westbound exit, eastbound entrance
19-2 Yonago-Nishi IC   National Route 9 (Yonago Road)
  National Route 180
88.0 westbound exit, eastbound entrance
19 eastbound exit, westbound entrance
20 Yasugi IC/TB Shimane Prefectural Route 334 94.6 Yasugi Shimane
21 Higashi-Izumo IC   National Route 9 (Matsue Road) 107.1 Matsue
22 Chikuya IC Shimane Prefectural Route 247 109.0 westbound exit, eastbound entrance
110.0 eastbound exit, westbound entrance
23 Yada IC 110.6
23-1 Matsue JCT   National Route 485 (Matsue Dandan Road) 111.4
24 Matsue-Higashi IC 112.3
25 Matsue-Chūō IC Shimane Prefectural Route 21
Shimane Prefectural Route 246
113.8 westbound exit, eastbound entrance
114.8 eastbound exit, westbound entrance
26 Matsue-Nishi IC Shimane Prefectural Route 24 116.0
27 Matsue-Tamatsukuri IC   National Route 9 (Matsue Road, Tamayu Bypass) 116.0
TB Matsue-Tamatsukuri TB 118.1
SA Shinjiko SA 119.3
BS Shinji BS 129.5
28 Shinji IC Shimane Prefectural Route 57 130.8
29 Shinji JCT   Matsue Expressway 132.4
30 Hikawa IC Shimane Prefectural Route 183 137.0 Izumo
TB Hikawa TB -
31 Izumo IC Shimane Prefectural Route 337 150.6
Koryō IC Shimane Prefectural Route 39 155.0 opening in 2024
33 Izumo-Tagi IC Shimane Prefectural Route 340 159.5
34 Ōda-Asayama IC Shimane Prefectural Route 286 168.5 Ōda
35 Ōda-Chūō Sanbesan IC 174.8
Shizuma IC 179.8 opening in 2023
37 Nima-Iwami Ginzan IC Shimane Prefectural Route 31 187.7
38 Yusato IC   National Route 9 193.6
39 Yunotsu IC   National Route 9 197.1
40 Iwami-Fukumitsu IC   National Route 9 199.5
Aonami IC   National Route 9 planning Gōtsu
Asari IC Shimane Prefectural Route 302 206.0
Planned route
Through to Shimane Prefectural Route 302
Through to   National Route 9 (Gōtsu Bypass)
Gōtsu IC   National Route 9 (Gōtsu Bypass)
Shimane Prefectural Route 330
0.0
Gōtsu-Nishi IC Shimane Prefectural Route 299 5.1
Hamada-Higashi IC Shimane Prefectural Route 254 11.1 Hamada
3-2 Hamada JCT   Hamada Expressway 14.5 concurrent with Hamada Expressway
- Hamada TB 15.2
4 Hamada IC   National Route 9 (Hamada Bypass) 15.8
Aioi IC   National Route 186 17.8
Takezako IC 19.8
Harai IC   National Route 9 (Hamada Bypass) 22.2 westbound exit, eastbound entrance
Hamada-kō IC Shimane Prefectural Route 339
Nishimura IC   National Route 9 30.3
Iwami-Misumi IC   National Route 9 36.7
Okami IC   National Route 9 opening in 2025
Kamate IC   National Route 9 Masuda
Tōta IC   National Route 9 51.9 eastbound exit, westbound entrance
Kushiro IC Shimane Prefectural Route 333 53.6 westbound exit, eastbound entrance
Through to Shimane Prefectural Route 333
Takatsu IC   National Route 191
Shimane Prefectural Route 333
56.4 eastbound exit, westbound entrance
Hagi-Iwami Kukō IC Shimane Prefectural Route 331 58.1
Suko IC   National Route 9 59.7
Planned route

Between Kiyo-Higashi Interchange and Ozuki Junction

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Number Name Connections Distance from Origin (km) Bus Stop Notes Location
Planned route
Kiyo-Higashi IC   National Route 191 planning Abu Yamaguchi
Kiyo-Nishi IC   National Route 191
Planned route Hagi
Hagi IC Yamaguchi Prefectural Route 32
Ogōri Hagi Road (planned)
0.0
Sanmi IC Yamaguchi Prefectural Route 296 5.7
Akeishi IC
Akeishi PA
Yamaguchi Prefectural Route 64 8.1
Misumi IC   National Route 191 15.2 Nagato
Planned route
Nagato IC   National Route 316 0.0
Tawarayama IC Yamaguchi Prefectural Route 34 5.5
Tawarayama Onsen IC Yamaguchi Prefectural Route 38 planning
Toyoda IC   National Route 435 Shimonoseki
Planned route
Ozuki JCT Through to   Chūgoku Expressway

References

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  1. ^ "Japan's Expressway Numbering System". www.mlit.go.jp.