San'in Expressway Explained

Country:JPN
Type:Expressway
Route:San-in
Alternate Name: 山陰自動車道
Map Custom:yes
Length Km:380
Established:1985
Terminus A:Tottori JCT(Tottori 鳥取, Tottori)
Cities:Yonago, Matsue, Hamada
Terminus B:Mine (Mine 美祢, Yamaguchi)

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]

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

List of interchanges and features

Between Tottori Junction and Suko Interchange

NumberNameConnectionsDistance from Origin (km)Bus StopNotesLocation
Through to Tottori Expressway
(9)Tottori JCT San'in Kinki Expressway (planned)
(Bypass)		0.0TottoriTottori
1Tottori-Nishi ICTottori Prefectural Route 491.8
2Yoshioka Onsen ICTottori Prefectural Route 1917.0
3Mizuho-Hōgi ICTottori Prefectural Route 23312.9style=text-align:center"
4Hamamura-Shikano Onsen IC/PATottori Prefectural Route 3214.6
5Aoya IC (Aoya Hawai Road)
Tottori Prefectural Route 280		19.3
6Tomari-Tōgō IC
Tottori Prefectural Route 22		26.5Yurihama
SAHawai SA30.5
7Hawai IC32.5
 - Hōjō IC/JCTHōjō Yubara Road (planning)opening in 2026Hokuei
 - Daiei ICopening in 2026
9Daiei-Tōhaku IC
Tottori Prefectural Route 320		46.0Kotoura
10Kotoura-Higashi ICTottori Prefectural Route 4448.6
Kotoura IC/PA52.7IC:opening in 2017
11Kotoura-Senjōsan ICTottori Prefectural Route 3055.4westbound exit, eastbound entrance
55.7eastbound exit, westbound entrance
12Akasaki-Nakayama ICTottori Prefectural Route 228
Tottori Prefectural Route 278		58.0Daisen
12-1Nakayama ICTottori Prefectural Route 278eastbound exit, westbound entrance
style="background-color:#BFB;"-(Shimoichi Junction)style="text-align:center;"-62.3Boundary between Nakayama Nawa Road and Nawa Yodoe Road
13Nawa ICTottori Prefectural Route 24066.6
14Daisen ICTottori Prefectural Route 15871.3
15Yodoe ICTottori Prefectural Route 27974.4
16Yonago-Higashi ICTottori Prefectural Route 5379.3westbound exit, eastbound entranceYonago
Yonago JCT
Yonago-Higashi Interchange		80.3eastbound exit, westbound entrance
17Hinogawa-Higashi ICTottori Prefectural Route 159
Tottori Prefectural Route 160		81.9westbound exit, eastbound entrance
82.2eastbound exit, westbound entrance
18Yonago-Minami IC84.8
19-1Yonago ICTottori Prefectural Route 30087.4westbound exit, eastbound entrance
19-2Yonago-Nishi IC (Yonago Road)
88.0westbound exit, eastbound entrance
19eastbound exit, westbound entrance
20Yasugi IC/TBShimane Prefectural Route 33494.6YasugiShimane
21Higashi-Izumo IC (Matsue Road)107.1Matsue
22Chikuya ICShimane Prefectural Route 247109.0westbound exit, eastbound entrance
110.0eastbound exit, westbound entrance
23Yada IC110.6
23-1Matsue JCT (Matsue Dandan Road)111.4
24Matsue-Higashi IC112.3
25Matsue-Chūō ICShimane Prefectural Route 21
Shimane Prefectural Route 246		113.8westbound exit, eastbound entrance
114.8eastbound exit, westbound entrance
26Matsue-Nishi ICShimane Prefectural Route 24116.0
27Matsue-Tamatsukuri IC (Matsue Road, Tamayu Bypass)116.0
TBMatsue-Tamatsukuri TB118.1
SAShinjiko SA119.3○
BSShinji BS129.5○
28Shinji ICShimane Prefectural Route 57130.8
29Shinji JCT132.4
30Hikawa ICShimane Prefectural Route 183137.0○Izumo
TBHikawa TBstyle="text-align:center;"-
31Izumo ICShimane Prefectural Route 337150.6
 - Koryō ICShimane Prefectural Route 39155.0opening in 2024
33Izumo-Tagi IC159.5
34Ōda-Asayama ICShimane Prefectural Route 286168.5Ōda
35Ōda-Chūō Sanbesan IC174.8
 - Shizuma IC179.8opening in 2023
37Nima-Iwami Ginzan ICShimane Prefectural Route 31187.7
38Yusato IC193.6
39Yunotsu IC197.1
40Iwami-Fukumitsu IC199.5
 - Aonami ICplanningGōtsu
 - Asari ICShimane Prefectural Route 302206.0
Planned route
Through to Shimane Prefectural Route 302
Through to (Gōtsu Bypass)
Gōtsu IC (Gōtsu Bypass)
Shimane Prefectural Route 330		0.0
Gōtsu-Nishi ICShimane Prefectural Route 2995.1
Hamada-Higashi ICShimane Prefectural Route 25411.1Hamada
3-2Hamada JCT14.5concurrent with Hamada Expressway
style="background-color:#BFB;"-Hamada TB15.2
4Hamada IC (Hamada Bypass)15.8
Aioi IC17.8
Takezako IC19.8
Harai IC (Hamada Bypass)22.2westbound exit, eastbound entrance
Hamada-kō ICShimane Prefectural Route 339
Nishimura IC30.3
Iwami-Misumi IC36.7
 - Okami ICopening in 2025
 - Kamate ICMasuda
Tōta IC51.9eastbound exit, westbound entrance
Kushiro ICShimane Prefectural Route 33353.6westbound exit, eastbound entrance
Through to Shimane Prefectural Route 333
Takatsu IC
Shimane Prefectural Route 333		56.4eastbound exit, westbound entrance
Hagi-Iwami Kukō ICShimane Prefectural Route 33158.1
Suko IC59.7
Planned route

Between Kiyo-Higashi Interchange and Ozuki Junction

NumberNameConnectionsDistance from Origin (km)Bus StopNotesLocation
Planned route
 - Kiyo-Higashi ICplanningAbuYamaguchi
 - Kiyo-Nishi IC
Planned route Hagi
Hagi ICYamaguchi Prefectural Route 32
Ogōri Hagi Road (planned) 		0.0
Sanmi ICYamaguchi Prefectural Route 2965.7
Akeishi IC
Akeishi PA		Yamaguchi Prefectural Route 648.1
Misumi IC15.2Nagato
Planned route
 - Nagato IC0.0
 - Tawarayama ICYamaguchi Prefectural Route 345.5
 - Tawarayama Onsen ICYamaguchi Prefectural Route 38planning
 - Toyoda ICShimonoseki
Planned route
 - Ozuki JCTThrough to Chūgoku Expressway

Notes and References

  1. Web site: Japan's Expressway Numbering System. www.mlit.go.jp.

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