San'yō Main Line

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This article is about Japan Railways network line. For the Main Line of Sanyo Electric Railway, see Sanyo Electric Railway Main Line.
Sanyō Main Line
JR Kobe Line.jpg
321 series and 223-1000 series EMUs on a 4-track section in Kobe
Overview
Type Heavy rail, commuter rail
System Urban Network
(Kōbe - Kamigōri, Hyōgo - Wadamisaki)
Hiroshima City Network
(Shiraichi - Minami-Iwakuni)
Locale Kansai, Chugoku, Kyushu regions
Termini Kōbe, Hyōgo
Moji, Wadamisaki
Stations 124
Operation
Opening 1872
Owner JR West
JR Kyushu
Operator(s) JR West
JR Kyushu
JR Freight
Technical
Line length 537.1 km (333.7 mi)
528.1 km (328.1 mi)
(Kōbe - Shimonoseki)
6.3 km (3.9 mi)
(Shimonoseki - Moji)
2.7 km (1.7 mi)
(Hyōgo - Wadamisaki)
Track gauge 1,067 mm (3 ft 6 in)
Electrification 1,500 V DC overhead catenary
(Kōbe - Shimonoseki, Hyōgo - Wadamisaki)
20 kV AC 60 Hz overhead catenary
(Shimonoseki - Moji)
Operating speed 130 km/h (81 mph)
(Kōbe - Okayama)
120 km/h (75 mph)
(Okayama - Shimonoseki)
85 km/h (55 mph)
(Shimonoseki - Moji, Hyōgo - Wadamisaki)

The Sanyō Main Line (山陽本線 San'yō-honsen?) is major railway line owned by JR Group companies in western Japan, connecting Kobe Station and Moji Station, largely paralleling the coast of the Inland Sea, in other words the southern coast of western Honshu. The Sanyō Shinkansen line largely parallels its route. The name Sanyō derived from the ancient region and highway Sanyōdō, the road on the sunny (south) side of the mountains.

The Sanyō Main Line is operated by the two JR companies West Japan Railway Company (JR West) and Kyushu Railway Company (JR Kyushu). The Wadamisaki Line, a short section of line in length of 2.7 km between Hyōgo and Wadamisaki stations in Kobe is technically part of the Sanyō Main Line. A short section connecting Kitakyushu Freight Terminal also forms part of the Sanyō Main Line.

Basic data[edit]

  • Operators, distances: 537.1 km / 333.7 mi.
  • Gauge: 1,067 mm (3 ft 6 in)
  • Stations:
    • Passenger stations: 124
    • Freight terminals: 5
  • Track:
    • Quadruple-track line:
      • From Kobe to Nishi-Akashi: 22.8 km / 14.1 mi.
      • From Kaitaichi to Hiroshima: 6.4 km / 4.0 mi.
    • Double-track line:
      • From Nishi-Akashi to Kaitaichi: 275.5 km / 171.2 mi.
      • From Hiroshima to Moji: 208.0 km / 129.2 mi.
    • Single-track line:
      • From Hyōgo to Wadamisaki
  • Electric supply: Whole the line (1,500 V DC. Excluding inside Moji Station and Kitakyūshū Freight Terminal, which is 20,000 V AC, 60 Hz.)
  • Railway signalling:
    • From Kobe to Moji: Automatic
    • From Hyōgo to Wadamisaki: Special Automatic (Track Circuit Detection); a simplified automatic system.
  • Maximum speed at service:
    • From Kobe to Himeji: 130 km/h
    • From Himeji to Okayama: Tilting trains 130 km/h, others 120 km/h
    • From Okayama to Shimonoseki: 120 km/h
    • From Shimonoseki to Moji: 85 km/h
    • From Hyōgo to Wadamisaki: 85 km/h
  • CTC centers:
    • From Kobe to Kamigōri: Shin-Ōsaka Operation Control Center
    • From Kamigōri to Itozaki: Okayama Transportation Control Room
    • From Itozaki to Shimonoseki: Hiroshima Operation Control Center
    • From Shimonoseki to Moji: Hakata Operation Control Center
  • CTC system:
    • From Kobe to Kamigōri: Safety Urban Network Traffic System (SUNTRAS)

Stations[edit]

From Kobe to Himeji (JR Kobe Line)[edit]

See the JR Kobe Line article for the list.

From Himeji to Itozaki[edit]

Ra: Rapid (快速 Kaisoku?)
SR: Special Rapid (新快速 Shin-Kaisoku?)
SL: Rapid Sun Liner (快速サンライナー Kaisoku Sanrainā?)
  • All trains stop at stations signed "+". Some trains stop at "*". No trains (other than local) stop at "-".
  • Rapid trains coming from Osaka/Kobe area become local trains from Akashi and westward.
  • Rapid Sun Liner becomes a local train except between Okayama and Fukuyama.
  • Rapid trains from Hiroshima City Network stop at all the stations in this section. They become local trains from Okayama and eastward.
Station name Japanese Total distance (km) Ra SR SL Transfers Location
JR West
Himeji 姫路 54.8 + + Bantan Line, Kishin Line, Sanyō Main Line (JR Kobe Line), Sanyō Shinkansen
Sanyo Railway Main Line (Sanyō Himeji)
Himeji Hyōgo
Agaho 英賀保 59.4 + +
Harima-Katsuhara はりま勝原 62.2 + +
Aboshi 網干 65.1 + +
Tatsuno 竜野 71 + + Tatsuno
Aioi 相生 75.5 + + Akō Line, Sanyō Shinkansen Aioi
Une 有年 83.1 + + Akō
Kamigōri 上郡 89.6 + + Chizu Express Chizu Line Kamigōri, Akō
Mitsuishi 三石 102.4 Bizen Okayama
Yoshinaga 吉永 109.5
Wake 和気 114.8 Wake, Wake
Kumayama 熊山 119.4 Akaiwa
Mantomi 万富 123.5 Higashi-ku, Okayama
Seto 瀬戸 128.0
Jōtō 上道 132.7
Higashi-Okayama 東岡山 136.1 Akō Line Naka-ku, Okayama
Takashima 高島 138.9
Nishigawara 西川原 140.8
Okayama 岡山 143.4 + Kibi Line, Sanyō Shinkansen, Tsuyama Line, Uno Line (Seto-Ōhashi Line)
Okayama Electric Tramway Higashiyama Line and Okayama Electric Tramway Seikibashi Line (both at Okayama-Ekimae)
Kita-ku, Okayama
Nishi-Okayama Freight Terminal 西岡山(貨) 145.9 -
Kitanagase 北長瀬 146.8 -
Niwase 庭瀬 149.9 -
Nakashō 中庄 154.6 - Kurashiki
Kurashiki 倉敷 159.3 + Hakubi Line
Mizushima Main Line (Kurashikishi)
Nishiachi 西阿知 163.3 -
Shin-Kurashiki 新倉敷 168.6 + Sanyō Shinkansen
Konkō 金光 174.9 * Asakuchi
Kamogata 鴨方 178.4 *
Satoshō 里庄 182.4 * Satoshō, Asakuchi
Kasaoka 笠岡 187.1 + Kasaoka
Daimon 大門 194.2 - Fukuyama Hiroshima
Higashi-Fukuyama 東福山 197.5 -
Fukuyama 福山 201.7 + Fukuen Line, Sanyō Shinkansen
Bingo-Akasaka 備後赤坂 207.5
Matsunaga 松永 212.4
Higashi-Onomichi 東尾道 215.3 Onomichi
Onomichi 尾道 221.8
Itozaki 糸崎 230.9 Mihara

From Itozaki to Tokuyama (Hiroshima City Network)[edit]

Ra: Rapid Service
  • All trains stop at stations signed "+". No trains (other than local) stop at "-".
  • Rapid Service runs from suburbs to Hiroshima on morning.
Station name Japanese Total distance (km) Ra Transfers Location
JR West
Itozaki 糸崎 230.9 Mihara Hiroshima
Mihara 三原 233.3 Kure Line, Sanyō Shinkansen
Hongō 本郷 242.8
Kōchi 河内 255.1 Higashihiroshima
Nyūno 入野 259.5
Shiraichi 白市 263.9
Nishitakaya 西高屋 268.3
Saijō 西条 272.9 +
Hachihommatsu 八本松 278.9 +
Seno 瀬野 289.5 - Skyrail Midorizaka Line (Midoriguchi) Aki-ku, Hiroshima
Nakanohigashi 中野東 292.4 -
Aki-Nakano 安芸中野 294.4 -
Kaitaichi 海田市 298.3 + Kure Line Kaita, Aki
Mukainada 向洋 300.6 - Fuchū, Aki
Tenjingawa 天神川 302.4 - Minami-ku, Hiroshima
Hiroshima Freight Terminal 広島貨物ターミナル 303.1 -
Hiroshima 広島 304.7 + Route 1, 2, 5, 6; Hiroden Main Line
Geibi Line, Sanyō Shinkansen
Yokogawa 横川 307.7 + Route 7 and 8; Hiroden Yokogawa Line
Kabe Line
Nishi-ku, Hiroshima
Nishi-Hiroshima 西広島 310.2 + Route 2 and 3; Main Line and Hiroden Miyajima Line (Hiroden-nishi-hiroshima)
Shin-Inokuchi 新井口 314.4 + Route 2; Miyajima Line (Shōkō Center-iriguchi)
Itsukaichi 五日市 316.8 + Route 2; Miyajima Line (Hiroden-itsukaichi) Saeki-ku, Hiroshima
Hatsukaichi 廿日市 320.2 - Route 2; Miyajima Line (Hiroden-hatsukaichi) Hatsukaichi
Miyauchi-Kushido 宮内串戸 321.8 + Route 2; Miyajima Line (Miyauchi)
Ajina 阿品 324.8 - Route 2; Miyajima Line (Hiroden-ajina)
Miyajimaguchi 宮島口 326.5 + Route 2; Miyajima Line (Hiroden-miyajima-guchi)
JR Miyajima Ferry
Maezora 前空 328.3 -
Ōnoura 大野浦 331.4 -
Kuba 玖波 336.4 - Ōtake
Ōtake 大竹 340.8 +
Waki 和木 342.3 - Waki, Kuga Yamaguchi
Iwakuni 岩国 346.1 + Gantoku Line Iwakuni
Minami-Iwakuni 南岩国 350.7
Fujū 藤生 353.4
Tsuzu 通津 358.6
由宇 361.6
Kōjiro 神代 366.8
Ōbatake 大畠 371.9 Yanai
Yanaiminato 柳井港 376.4
Yanai 柳井 379.2
Tabuse 田布施 385.4 Tabuse, Kumage
Iwata 岩田 390.9 Hikari
Shimata 島田 395.9
Hikari 400.7
Kudamatsu 下松 406.9 Kudamatsu
Kushigahama 櫛ヶ浜 411.5 Gantoku Line Shūnan
Tokuyama 徳山 414.9 Sanyo Shinkansen

Tokuyama to Moji[edit]

  • Hiroshima City Network Rapid trains stop at all the stations in this section.
Station name Japanese Total distance (km) Transfers Location
JR West
Tokuyama 徳山 414.9 Sanyo Shinkansen Shūnan Yamaguchi
Shinnan-yō 新南陽 421.9
Fukugawa 福川 425.7
Heta 戸田 425.7
Tonomi 富海 434.2 Hōfu
Hōfu Freight Terminal 防府(貨) 437.2
Hōfu 防府 441.4
Daidō 大道 449.2
Yotsutsuji 四辻 454.0 Yamaguchi
Shin-Yamaguchi 新山口 459.2 Sanyō Shinkansen, Ube Line, Yamaguchi Line
Kagawa 嘉川 463.2
Hon-Yura 本由良 467.7
Kotō 厚東 478.0 Ube
Ube 宇部 484.5 Ube Line
Onoda 小野田 488.0 Onoda Line Sanyōonoda
Asa 厚狭 494.3 Mine Line, Sanyō Shinkansen
Habu 埴生 502.6
Ozuki 小月 508.8 Shimonoseki
Chōfu 長府 515.0
Shin-Shimonoseki 新下関 520.9 Sanyō Shinkansen
Hatabu 幡生 524.6 Sanin Main Line
Shimonoseki 下関 528.1
JR Kyushu
Shimonoseki 下関 Shimonoseki Yamaguchi
Moji 門司 534.4 Kagoshima Main Line Moji-ku, Kitakyushu Fukuoka

Wadamisaki Line[edit]

See the Wadamisaki Line article.

Rolling stock[edit]

JR West 117 series EMU
JR Kyushu 415 series EMU
Freight train with Class EF67 bank engine

JR West[edit]

Limited Express[edit]

Local Trains[edit]

New 2- and 3-car 227 series electric trains are scheduled to be introduced in the Hiroshima area on the Sanyo Main Line during fiscal 2014, replacing older 115 series trains.[1]

JR Kyushu[edit]

History[edit]

The entire line between Kobe Station and Shimonoseki Station was originally opened by the private Sanyō Railway company. The section between Hyōgo Station (in Kobe) and Akashi Station (in Akashi, Hyōgo) opened first in 1888. In 1889 the line was extended to the east to Kobe Station (as a dual track section) and Tatsuno Station (in Tatsuno, Hyōgo Prefecture) to the west. The Sanyō Railway was progressively extended to the west, reaching Okayama and the Fukuyama in 1891, Hiroshima in 1894 and in 1901 it reached Bakan (now Shimonoseki) Station. Under the Railway Nationalization Act of 1906 it was purchased by the Japanese government and renamed Sanyō Main Line.

The Hyogo - Himeji section was duplicated in 1899, and the Hiroshima - Kaitaichi section in 1903. After the line was nationalised, further duplications occurred between Kamigori - Yoshinaga in 1910/11, Hatabu - Shimonoseki in 1915 and Himeji - Agaho in 1917. Work to duplicate the remainder of the line commenced in 1921, and opened in stages until completed in 1930, with the exception of the section between Iwakuni and Kushigahama, where construction of a new direct line had commenced. This direct line, which bypassed the coastal section via Yanai involved significant tunnelling, and unexpected geological instability delayed completion of the line until 1934, and then as a single track. Although the new line became the Sanyo Main Line at that time, in 1944 the original coastal alignment was duplicated and returned to the formal Sanyo Main Line, with the former bypass line becoming the Gantoku Line.

The Kobe - Akashi section was electrified in 1934, extended to Himeji in 1958, Hiroshima in 1962 and (except for the Wadamisaki Line, which was electrified in 2001) the entire line was electrified in 1964, to coincide with the opening of the Tōkaidō Shinkansen between Tokyo and Shin-Osaka the same year.

The Sanyō Main Line parallels the Inland Sea but some parts could be shortened by tunnels. In 1934, the Gantoku Line between Iwakuni and Tokuyama (today Shūnan, Yamaguchi) was opened and replaced the former line which traverses Yanai adjacent to the Inland Sea. In 1944, this new alignment was replaced again by the previous coastal alignment because the coastal line was upgraded to dual tracks.

The Sanyō Main Line was connected to Kyushu by ferry from Shimonoseki and Shimonosekiko Station (Port Shimonoseki). In 1942, the Kanmon Tunnel under the Kanmon Straits was completed and the Sanyō Main Line was extended to Moji Station. A second tunnel duplicating the section opened in 1944.

Prior to the opening of the Sanyo Shinkansen, many expresses operated on the Sanyō Main Line and it serves as a major transport corridor through Western Honshu and connecting to Kyushu. The Shinkansen was extended as the Sanyō Shinkansen line, first to Okayama Station in 1972, and then to Hakata Station in 1975. On both occasions many express services on the Sanyo Main Line were withdrawn, and since 1972, the line has been mainly used by local and freight services. CTC signalling was commissioned between Mihara and Shimonoseki in 1984. The section between Kobe and Nishi Akashi was severely damaged by the 1995 Great Hanshin earthquake, and took ten weeks to repair.

Former connecting lines[edit]

Iwakuni Electric Railway train
  • Hyogo Station: A 5 km lne to the Hyogo Port operated between 1911 and 1984.
  • Himeji Station: The Bantan Railway built a 16 km line east to Shikama-Kou (near Kakogawa), opened in 1895 and closed in 1986.
  • Aboshi Station: The Tatsuno Electric Railway opened a 17 km 1,435 mm (4 ft 8 12 in) gauge line electrified at 600 V DC from Shingu-Cho to Aboshiko between 1909 and 1915, which connected at this station. The line closed in 1934. A 6 km line to Hamadako operated between 1943 and 1989.
  • Une Station: The Ako Railway operated a 13 km 762 mm (2 ft 6 in) gauge line to Banshu-Ako on the Ako Line between 1921 and 1951.
  • Wake Station: The Dowa Mining opened a 34 km line between Nishi-Katakamito on the Ako Line and Yanahara, to haul iron sulphide ore, between 1923 and 1931. Passenger services commenced in 1931, freight services ceased in 1988 and the line closed in 1991.
  • Takashima Station: The Saidaiji Railway operated a 915 mm (3 ft) gauge line between Saidaiji and Korakuen between 1911 and 1962.
  • Kasaoka Station: The Ikasa Railway operated a 19 km 762 mm (2 ft 6 in) gauge line to Ihara between 1913 and 1971. It had a 6 km branch from Kitagawa to Yakage that operated between 1921 and 1967. At Ihara, it connected to the company's line to Kannabe on the Fukuen Line.
  • Hiroshima Station: The Sanyo Railway was commissioned by the Japanese Army to build a 6 km line to Ujina Port following the outbreak of the First Sino-Japanese War in 1894. In 1897, the company leased the line from the army and commenced a passenger service, and when the company was nationalised in 1906, ownership of the line transferred from the army to JGR. The army leased the line in 1915 for use during World War I and subsequent hostilities in China, and passenger services were suspended between 1919 and 1930. The line was not damaged by the atomic bomb attack, but was damaged by Typhoon Marurazaki which hit the area six weeks later. Passenger service ceased in 1972, and the line closed in 1986. The Kirin Brewery operated a 2 km line to its complex between 1937 and 1986.
  • Shin-Yamaguchi Station: The Dainippon Railway opened a 13 km line from Ogori (renamed Shin-Yamaguchi in 2003) to Yamaguchi in 1908, which closed in 1913 when the JGR opened its parallel line.
  • Ube Station: The Funaki Railway opened a 6 km 762 mm (2 ft 6 in) gauge line in 1916. The line was converted to 1,067 mm gauge in 1922, and extended 12 km to Kibe in 1926. The last 8 km closed in 1944, and the rest of the line in 1961.
A Nagato Railway train
  • Ozuki Station: The Nagato Railway opened an 18 km line to Nishi-Cho in 1918. JGR assumed control of the line as a wartime measure in 1942, a situation which continued until 1949. The line closed in 1956.
  • Hatabu Station: The Choshu Railway opened a 27 km line from Higashi-Mozeki to Kogushi in 1914. A proposed extension to Nagato was not built due to funding constraints, but the line was electrified at 600 V DC in 1926. The company merged with the Sanyo Electric Railway in 1928, and the line closed in 1971.

See also[edit]

References[edit]

This article incorporates material from the corresponding article in the Japanese Wikipedia

  1. ^ "JR西日本、広島地区に227系近郊形直流電車を投入" [JR West to introduce 227 series DC suburban trains in Hiroshima area]. The Page (in Japanese). Japan: Wordleaf Corporation. 19 June 2014. Retrieved 19 June 2014.