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207 series EMU on a Local service
|Other name(s)||Gakkentoshi Line|
|Locale||Osaka Prefecture and Kyoto Prefecture|
|Rolling stock||207 series EMU|
321 series EMU
|Line length||55.4 km (34.4 mi)|
|Track gauge||1,067 mm (3 ft 6 in)|
|Electrification||1,500 V DC, overhead line|
|Operating speed||110 km/h (70 mph)|
The Katamachi Line (片町線 Katamachi-sen), officially nicknamed the Gakkentoshi Line (学研都市線 Gakkentoshi-sen), is a commuter rail line and service in the Osaka-Kobe-Kyoto Metropolitan Area of Japan, owned and operated by West Japan Railway Company (JR West). The line connects Kizu Station in Kyoto Prefecture and Kyōbashi Station in Osaka.
The common name "Gakkentoshi Line", literally "Research City Line", comes from the Kansai Science City, which is located along the line around the border of Osaka and Nara prefectures.
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- Operators, distances: 55.4 km / 34.4 mi.
- Double-track line:
- From Matsuiyamate to Kyōbashi
- Single-track line:
- From Kizu to Matsuiyamate
- Double-track line:
- Railway signalling:
- From JR Miyamaki to Kyōbashi: Automatic
- From Kizu to JR Miyamaki: Special Automatic (Track Circuit Detection)
- CTC centers:Ōsaka Operation Control Center
- CTC system:Safety Urban Network Traffic System (SUNTRAS)
Route and operation
The line is connected via the JR Tōzai Line in downtown Osaka, at Amagasaki, to the Tōkaidō Main Line (JR Kobe Line) and Fukuchiyama Line (JR Takarazuka Line). This link enables trains operated from Nara to the west, as Kobe, Himeji, and Sanda.
Rapid services of several types of stops, with no surcharge, are also provided. Abbreviations are tentative for this article.
- Local (普通 Futsū) (Lo)
- Operated all day, most trains between Matsuiyamate and Nishi-Akashi on Sanyō Main (JR Kobe) Line. Some in busy hours to Fukuchiyama Line (JR Takarazuka Line), some terminate at Kyōbashi.
- Regional Rapid (区間快速 Kukan Kaisoku) (RR)
- Operated in early morning, late night, and busy hours only. Some from/to Nara, most from/to Dōshishamae or Kyōtanabe. Through to Nishiakashi or Shin-Sanda.
- Rapid (快速 Kaisoku) (Ra)
- Mostly through to Shin-Sanda or Sasayamaguchi on Fukuchiyama (JR Takarazuka) Line. One per 15 minutes per direction.
- Direct Rapid (直通快速 Chokutsū Kaisoku) (DR)
- Through trains from Osaka Higashi Line, only between Hanaten and Kyōbashi in this line. Four trains to Amagasaki from Nara in the morning, 4 vice versa in the evening.
|Through service to/from Kansai Main Line (Yamatoji Line)|
|JR-H20||Hōsono||祝園||RR Ra||Kyoto Line (B21: Shin-Hōsono Station)||Seika, Sōraku|
|JR-H22||JR Miyamaki||JR三山木||RR Ra||Kyōtanabe|
|JR-H24||Kyōtanabe||京田辺||RR Ra||Kyoto Line (B16: Shin-Tanabe Station)|
|JR-H30||Kawachi-Iwafune||河内磐船||RR Ra||Keihan Katano Line (KH66: Kawachi-Mori Station)||Katano|
|JR-H39||Hanaten||放出||RR Ra DR||Osaka Higashi Line||Tsurumi, Osaka|
|JR-H41||Kyōbashi||京橋||RR Ra DR|
|Through service to/from JR Tōzai Line, further to/from Tōkaidō Main Line (JR Kobe Line) and Fukuchiyama Line (JR Takarazuka Line)|
All trains are based at Aboshi Depot.
- 40 series
- 51 series
- 72 series
- 101 series
- 103 series
- 223-6000 series (until March 2011)
- KiHa 10 series
- KiHa 20 series
- KiHa 35 series
- KiHa 40 series
- KiHa 45 series
- KiHa 58 series
- KiHa 41000
The line was originally built and operated by the Naniwa Railway (浪速鉄道 Naniwa Tetsudō) between Katamachi and Shijōnawate in 1895. Two years later, the Kansai Railway bought the line in order to have its own trunk line to Osaka from Nagoya, combined with constructing the section between Shijōnawate and Kizu. Katamachi Station was unable to be expanded, thus Amijima terminus was constructed. However Kansai Railway bought the Osaka Railway (I, ja) line from Nara via Ōji to Minatomachi (present JR Namba) in downtown Osaka, and shifted its main line to the ex-Naniwa Railway line. Thereafter, the Katamachi Line became a branch of the railway network of Osaka.
The Shigino to Hanaten section was duplicated in 1927, with the Katamachi to Shigino section double-tracked in 1955, the Hanaten to Shijonawate section in 1969, extended to Nagao in 1979, to Matsuiyamate in 1989, and the balance of the section to Kyobashi double-tracked between 2007 and 2009.
The section between Katamachi and Shijōnawate became the first Japan Governmental Railways electrified line in Osaka-Kobe-Kyoto area in 1932, with electrification extended to Nagao in 1950. After privatization of the then Japanese National Railways (JNR), the line became part of the West Japan Railway Company (JR West) system, and the Kizu to Nagao section was electrified in 1989.
In 1997, the JR Tōzai Line was opened and connected to Katamachi Line at Kyōbashi, and Katamachi Station was closed (with Ōsakajō-kitazume Station becoming the replacement station). Most trains began operating through to the Fukuchiyama Line (JR Takarazuka Line).
Three military/weapons-related facilities used during the early 20th century were serviced by spurs located between Fujisaka and Tsuda Stations (Kin-ya Ammunition Dump, where two explosions occurred in 1909 and 1939), between Kawachi-Iwafune and Hoshida Stations (Uji Weapon Kori Factory), and the Osaka Army Arsenal warehouse between Hanaten and Shigino Stations.