Aichi Loop Line

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Aichi Loop Line
Logo of Aichi Loop Line
File:Aikan Series2000-G7.jpg
Local train approaching Mutsuna Station
Overview
LocaleAichi Prefecture
Termini
Stations23
Service
TypeCommuter rail
Operator(s)Aichi Loop Railway
Rolling stockAichi Loop Railway 2000 series
History
Opened31 January 1988
Technical
Track length45.3 km[1]
Track gauge1,067 mm (3 ft 6 in)[1]
Electrification1,500 V DC[1]
Operating speed110[1] km/h (68 mph)
Route map
Map of Aichi loop line and other nearby lines
Map of Aichi loop line and other nearby lines

The Aichi Loop Line (愛知環状鉄道線, Aichi Kanjō Tetsudō-sen; "Aichi Loop Railway Line") is a Japanese railway line connecting Okazaki Station in Okazaki and Kōzōji Station in Kasugai. It is the sole line operated by the third-sector Aichi Loop Railway (愛知環状鉄道, Aichi Kanjō Tetsudō). The line and operating company are both abbreviated as Aikan (愛環).

First proposed in 1927 by the amended Railway Construction Act, the line was originally planned to connect Okazaki to Tajimi, Gifu Prefecture. The line was constructed by the Japan Railway Construction Public Corporation from 1965 to 1970, and opened as a line of the Japanese National Railways on 1 October 1970. After making deficits, the line was transferred to the third-sector company Aichi Loop Railway in 1988. Since then, the company has partially duplicated the line.

The Aichi Loop Railway is a third-sector company, with shares held by public sector such as Aichi Prefecture, the city of Toyota, and also by private companies. Unlike typical third-sector lines in Japan, the Aichi Loop Line makes a profit, as it functions as commuter rail for nearby Toyota Motor factories and offices.

History

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The line's construction was proposed by the amended Railway Construction Act on 30 March 1927. The line was described as a railway line starting from Okazaki, Aichi Prefecture, passing through Koromo and terminating at Tajimi, Gifu Prefecture.[2] The Ministry of Railways considered establishing bus routes before constructing railway lines for some of the proposed lines that were considered hard to sustain. Out of the seven candidates, this route was selected as the first bus route of this plan. The bus route opened as the Okata Line (岡多線) on 20 December 1930 with seven buses and ten trucks. This bus line has since been abolished in 2002.[3]

Construction of the Okata Line by the Japan Railway Construction Public Corporation[4] commenced on 13 August 1965. Freight operations on the line between Okazaki and Kitano-Masuzuka began on 1 October 1970.[5] The first section of the line between Okazaki and Kitano-Masuzuka opened for passengers in 1970, as a railway line of the Japanese National Railways (JNR). The section between Kitano-Masuzuka and Shin-Toyota was extended and the whole line started a passenger service in 1976. Another part of the line, between Setoshi and Kōzōji, was originally part of a freight line planned as the JNR Seto Line.[6] The line did not do well financially under JNR ownership due to lack of passengers.[6][7]

The newly founded third-sector Aichi Loop Line Company took over the line, now renamed to the Aichi Loop Line, from Central Japan Railway Company (JR Central), with services starting on 31 January 1988. Beginning on 1 March 2005, through service began with the JR Chuo Main Line to Nagoya Station, initially to carry visitors to the site of Expo 2005.[6][5] When Toyota began promoting the use of public transit to their employees, the Aichi Loop Railway decided to duplicate the track between Mikawa-Toyota and Shin Toyota Station. The company was funded by the government, Aichi Prefecture, passing municipalities, etc. This work began in 2005, which also changed the track layout of the Mikawa-Toyota Station and relocated the platform in the Shin-Uwagoromo Station.[8] The duplicated tracks entered service in 2008, and the service interval between the section was decreased to eight minutes at peak times.[9] The line became compatible with TOICA, a contactless smart card, on 2 March 2019.[10]

Network and operations

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Services

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Three to five trains run in each direction per hour, while one or two train run in each direction instead during the first and last hours of service. Trains in two-car or four-car formations are operated. Some services operate with reduced cars, or are not operated at all during weekends.[11] The line operates using the Aichi Loop Railway 2000 series.[12]

The line does not form a loop line by itself, although it connects to the Chūō Main Line or the Tōkaidō Main Line on each side of the terminus. Toyota factories and offices, along with various schools, are located alongside the line,[13] and the line transports commuters to those locations, allowing it to turn a profit unlike other formerly JNR-owned third-sector companies.[14]

Infrastructure

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Station list

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Station
No. 		Station Japanese Distance (km)[1] Transfers Location
Between
stations 		Total
01 Okazaki 岡崎 - 0.0 File:JR Central Tokaido Line.svg Tōkaidō Main Line Okazaki
02 Mutsuna 六名 1.7 1.7  
03 Naka-Okazaki 中岡崎 1.7 3.4 File:MT number-NH.svg Meitetsu Nagoya Line (Okazaki-Kōen-Mae)
04 Kita-Okazaki 北岡崎 1.9 5.3  
05 Daimon 大門 1.2 6.5  
06 Kitano-Masuzuka 北野桝塚 2.2 8.7  
07 Mikawa-Kamigō 三河上郷 2.0 10.7   Toyota
08 Ekaku 永覚 1.7 12.4  
09 Suenohara 末野原 1.6 14.0  
10 Mikawa-Toyota 三河豊田 1.9 15.9  
11 Shin-Uwagoromo 新上挙母 1.7 17.6 File:MT number-MY.svg Meitetsu Mikawa Line (Uwagoromo)
12 Shin-Toyota 新豊田 1.9 19.5 File:MT number-MY.svg Meitetsu Mikawa (Toyota) Line (Toyotashi)
13 Aikan-Umetsubo 愛環梅坪 2.0 21.5  
14 Shigō 四郷 2.0 23.5  
15 Kaizu 貝津 2.0 25.5  
16 Homi 保見 1.3 26.8  
17 Sasabara 篠原 2.4 29.2  
18 Yakusa 八草 2.8 32.0 File:LS-L09.svg Linimo (L09)
19 Yamaguchi 山口 2.6 34.6   Seto
20 Setoguchi 瀬戸口 2.1 36.7  
21 Setoshi 瀬戸市 2.4 39.1 File:MT number-ST.svg Meitetsu Seto Line (Shin-Seto)
22 Nakamizuno 中水野 2.8 41.9  
23 Kōzōji 高蔵寺 3.4 45.3 File:JR Central Chuo Line.svg Chūō Main Line Kasugai
↓Through service to Nagoya Station via the Chūō Main Line↓

See also

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References

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  1. ^ a b c d e Makino 2017, p. 102.
  2. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ a b Makino 2017, p. 103.
  6. ^ a b c Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  7. ^ Aikan 2019, p. 33.
  8. ^ Aikan 2019, p. 68.
  9. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  10. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  11. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  12. ^ Soiri 2025, p. 138.
  13. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  14. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).

Bibliography

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