Sanyō_Expressway

San'yō Expressway
San'yō Expressway
山陽自動車道
Route information
	Part of AH1
Length	446.7 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)
Existed	1982-1997–present
Major junctions
From	Kobe JCT(Kobe 神戸, Hyōgo)
To	Yamaguchi JCT(Yamaguchi 山口, Yamaguchi); Shimonoseki JCT(Shimonoseki 下関, Yamaguchi)
Location
Country	Japan
Major cities	Kobe, Himeji, Okayama, Fukuyama, Hiroshima, Iwakuni, Yamaguchi
Highway system
	National highways of Japan; Expressways of Japan;

San'yō Expressway

Expressway in Japan

The San'yō Expressway (山陽自動車道, San'yō Jidōshadō) (Asian Highway Network AH1) 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.

Quick Facts Route information, Length ...

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

More information Number, Name ...

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	○
-	Ōgō PA	-	7.3
-	Ōgō 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			Kakogawa
-	Shikitō BS	-	46.5	○		Himeji
6	San'yō Himeji-Higashi IC	National Route 372 Bantan Renraku 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			Bizen
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	Higashi-ku, Okayama
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			Kasaoka
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	Onomichi Expressway	213.1			Onomichi
23	Onomichi IC	National Route 184	214.5			Onomichi
-	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			Ōtake
-	Sekido Tunnel	-			Ōsaka-bound 3,325 m Kitakyūshū-bound 3,217 m	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	-			Ōsaka-bound 67 m Kitakyūshū-bound 72 m	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	National Route 2 (Hōfu Bypass)	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	-		Yamaguchi

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Sanyō_Expressway

San'yō Expressway

List of interchanges and features

Main Route

Kimi Branch

Hayashima Branch

Ube-Shimonoseki Route

See also

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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
Kobe-Awaji-Naruto Expressway for Tokushima

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
Seto-Chūō Expressway for Kojima, Sakaide

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	○	Ube
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