San-in Expressway
山陰自動車道
Route information
Length	380 km (240 mi)
Existed	1985–present
Major junctions
From	Tottori JCT(Tottori 鳥取, Tottori)
To	Mine (Mine 美祢, Yamaguchi)
Location
Country	Japan
Major cities	Yonago, Matsue, Hamada
Highway system
National highways of Japan Expressways of Japan

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:

• Tottori-Masuda Route (鳥取益田線): Tottori -- Masuda, Shimane
• Misumi Mine Route (三隅美祢線): Nagato, Yamaguchi -- Mine

List of interchanges and features

• IC - interchange, SIC - smart interchange, JCT - junction, SA - service area, PA - parking area, BS - bus stop, TN - tunnel, TB - toll gate, BR - bridge
• Bus stops labeled "○" are currently in use; those marked "◆" are closed.

Between Tottori Junction and Suko Interchange

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

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