San'yō Expressway













San'yō Expressway sign


San'yō Expressway

山陽自動車道
Route information
Part of
Length446.7 km (277.6 mi)
405.6 km (main line)
9.6 km (Miki branch line)
3.4 km (Hanshin branch line)
28.1 km (Ube branch line)

Existed1982-1997–present
Major junctions
From
Kobe JCT(Kobe 神戸, Hyōgo)
To
Yamaguchi JCT(Yamaguchi 山口, Yamaguchi)
Shimonoseki JCT(Shimonoseki 下関, Yamaguchi)
Location
Major cities
Kobe, Himeji, Okayama, Fukuyama, Hiroshima, Iwakuni, Yamaguchi

Highway system

National highways of Japan
Expressways of Japan

The San'yō Expressway (山陽自動車道, San'yō Jidōshadō) (Asian Highway Network ) is an expressway in Japan, running from Kobe through Hiroshima along the Inland Sea and terminating in Yamaguchi Prefecture. The entire length of the expressway was opened in 1997. The main line has a total length of 405.6 kilometers.




Contents





  • 1 List of interchanges and features

    • 1.1 Main Route


    • 1.2 Kimi Branch


    • 1.3 Hayashima Branch


    • 1.4 Ube-Shimonoseki Route



  • 2 See also




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.


Main Route

















































































































































































































































































































































































































































































































































Number
Name
Connections
Distance from Kōbe (km)
Bus Stop
Notes
Location
Through to Shin-Meishin Expressway
(5-1)

Kōbe JCT

Chūgoku Expressway
0.0



Kita-ku, Kobe

Hyōgo
1

Kōbe-Kita IC/
Hata BS

Rokkō-Kita Toll Road
2.6


-

Awaji PA
-
7.3


-

Awaji BS
-
12.3


2

Miki JCT
for Akashi Kaikyō Bridge (Kimi Branch)
15.4



Miki
-

Shijimi BS
-
16.8


3

Miki-Higashi IC

Hyōgo Prefectural Route 85
18.0


-

Kurumi BS
-
23.1


-

Miki SA
-
25.5


4

Miki-Ono IC

National Route 175 (Miki-Ono Bypass)
27.7


-

Ono BS
-
30.2



Ono
-

Gongenko PA
-
36.1
36.5

for Kobe, Osaka
for Okayama

Kakogawa
5

Kakogawa-Kita IC

Hyōgo Prefectural Route 43
41.2


-

Shikitō BS
-
46.5



Himeji
6

San'yō Himeji-Higashi IC

National Route 372
Bantan-Renraku Toll Road
49.8


-

Shiratori PA
-
60.7
61.6

for Kobe, Osaka
for Okayama
7

San'yō Himeji-Nishi IC

National Route 29 Himeji-Nishi Bypass
62.7


8

Tatsuno IC

Hyōgo Prefectural Route 29
69.3



Tatsuno
9

Tatsuno-Nishi IC/SA

Hyōgo Prefectural Route 93
Hyōgo Prefectural Route 121
73.7


9-1

Harima JCT

Harima Expressway
74.7


-

Aioi BS
-
78.3



Aioi
10

Akō IC

Okayama/Hyōgo Prefectural Route 96
88.3



Akō
-

Fukuishi PA
-
95.0



Bizen

Okayama
11

Bizen IC

National Route 2
98.8


12

Wake IC

National Route 374
109.1



Wake District, Wake
-

Seto PA
-
116.9
117.7

for Kobe
for Okayama, Hiroshima

Higashi-ku, Okayama
-

Seto JCT

Mimasaka-Okayama Road (planned)
119.3

Expected to open in 2022
13

San'yō IC

Okayama Prefectural Route 37
123.2



Akaiwa
-

Kasaiyama Tunnel
-




Kita-ku, Okayama
14

Okayama IC

National Route 53 (Okayama-Kita Bypass)
136.8


14-1

Kibi SA/SIC

138.4


15

Okayama JCT

Okayama Expressway
143.9
-

16

Kurashiki JCT
for Seto-Chūō Expressway (Hayashima Branch)
150.3
-


Kurashiki
17

Kurashiki IC

National Route 429
152.4


18

Tamashima IC

Okayama Prefectural Route 54
161.9


-

Michiguchi PA
-
166.5


19

Kamogata IC

Okayama Prefectural Route 155
171.9



Asakuchi
20

Kasaoka IC

Okayama Prefectural Route 34
180.1



Kasaoka
-

Shinosaka PA
-
185.3


21

Fukuyama-Higashi IC

National Route 182
(Fukuyama Loop Road)
191.7



Fukuyama

Hiroshima
-

Senda BS
-
194.4


21-1

Fukuyama SA/SIC

200.3
200.5

For Okayama, Osaka
for Hiroshima
-

Fukuyama-Hongō BS
-
207.6


22

Fukuyama-Nishi IC
National Route 2 (Matsunaga Bypass)
208.6


22-1

Onomichi JCT

E54Onomichi Expressway
213.1



Onomichi
23

Onomichi IC

National Route 184
214.5


-

Yahata PA
-
222.2
222.5

For Hiroshima, Kitakyūshū
for Okayama

Mihara
24

Mihara-Kui IC

National Route 486
Hiroshima Prefectural Route 25
227.2


-

Takasaka PA
-
231.4

BS for connections only
expressway entrance/exit prohibited
24-1

Hongō IC

Hiroshima Prefectural Route 82
238.5


25

Kōchi IC

Hiroshima Prefectural Route 73
National Route 432
246.7



Higashihiroshima
-

Kodani SA
-
249.7
250.0

For Hiroshima, Kitakyūshū
for Fukuyama, Okayama
25-1

Takaya JCT

Higashihiroshima-Kure Expressway
252.8

26

Saijō IC

Hiroshima Prefectural Route 59
National Route 375 (Misonō Bypass)
257.8


27

Shiwa IC

Hiroshima Prefectural Route 83
268.8


-

Okuya PA
-
270.9


28-1
28

Hiroshima-Higashi IC

Hiroshima Expressway Route 1
Hiroshima Prefectural Route 70
279.2



Higashi-ku, Hiroshima
29

Hiroshima IC

National Route 54 (Gion Bypass)
285.6



Asaminami-ku, Hiroshima
-

Numata PA
-
291.2


30

Hiroshima JCT

Hiroshima Expressway
293.1


31

Itsukaichi IC

Hiroshima Prefectural Route 71
296.1



Saeki-ku, Hiroshima
31-1

Miyajima SA/SIC

306.2



Hatsukaichi
32

Hatsukaichi JCT

Hiroshima-Iwakuni Road for Hatsukaichi, Miyajima
310.4


32-2

Ōno IC

Hiroshima Prefectural Route 289
315.1


32-3

Ōtake IC
National Route 2
323.4



Ōtake
<33>

Ōtake JCT
National Route 2 Iwakuni-Ōtake Road (planned)
324.1


-

Sekido Tunnel
-




Iwakuni

Yamaguchi
34

Iwakuni IC
National Route 2
Yamaguchi/Hiroshima Prefectural Route 1
332.6


-

Kuga PA
-
344.2


35

Kuga IC

Yamaguchi Prefectural Route 70
346.7


36

Kumage IC

Yamaguchi Prefectural Route 8
358.9



Shūnan
-

Kudamatsu SA
-
364.8



Kudamatsu
-

Mimitori Tunnel
-



Shūnan
37

Tokuyama-Higashi IC
National Route 2 (Shūnan Bypass)
370.7


38

Tokuyama-Nishi IC
National Route 2
388.7


-

Tonomi PA
-
392.2



Hōfu
39

Hōfu-Higashi IC
National Route 2 (Hōfu Bypass)
401.3

for Hiroshima
40

Hōfu-Nishi IC
404.6

for Kitakyūshū
-

Sabagawa SA
-
407.5


41

Yamaguchi-Minami IC
National Route 2 (Ogōri Bypass)
413.2



Yamaguchi
(33)

Yamaguchi JCT

Chūgoku Expressway
419.3
-


Kimi Branch





















Number
Name
Connections
Distance from Miki (km)
Notes
Location
2

Miki JCT

Main Route
0.0


Miki
1

Kōbe-Nishi IC/TB

Hyōgo Prefectural Route 22
9.6
TB is on Miki-bound side

Nishi-ku, Kobe

E28Kobe-Awaji-Naruto Expressway for Tokushima


Hayashima Branch
























Number
Name
Connections
Distance from Kurashiki (km)
Bus Stop
Notes
Location
16

Kurashiki JCT
for Hiroshima, Kōbe (Main Route)
0.0
-


Kurashiki
1

Hayashima IC/TB
National Route 2 (Okayama Bypass)
3.4

Toll gate is on Kōbe/Hiroshima-bound side

Hayashima, Tsukubo District

E28Seto-Chūō Expressway for Kojima, Sakaide


Ube-Shimonoseki Route










































Number
Name
Connections
Distance from Ube (km)
Bus Stop
Location
42

Ube JCT

Yamaguchi-Ube Road
0.0
-

Ube
43

Ube IC

National Route 490
3.1

44

Onoda IC

Yamaguchi Prefectural Route 71
13.2


Sanyoonoda
-

Suōnada PA
-
20.6

45

Habe IC

National Route 2(Asa-Habu Bypass)
22.7

(35-2)

Shimonoseki JCT

Chūgoku Expressway
28.1
-

Shimonoseki


See also


  • West Nippon Expressway Company







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