Uchiko Line

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Uchiko Line
Type Heavy rail
Locale Ehime Prefecture
Termini Uchiko
Stations 4
Opened 1920
Operator(s) JR Shikoku
Line length 5.3 km (3.3 mi)
Track gauge 1,067 mm (3 ft 6 in)
Electrification None
Operating speed 110 km/h (70 mph)
Route map
Map railroad japan uchiko rough.png

The Uchiko Line (内子線 Uchiko-sen?) is the name of a short section of railway line that was originally a branch line before a section of it was upgraded and became part of the Yosan Line. It connects Uchiko in Uchiko, Kita District to Niiya in Ōzu, entirely in Ehime Prefecture on the island of Shikoku, Japan, and operated by the Shikoku Railway Company (JR Shikoku). The line is operationally part of the Yosan Line, and retains it separate name due to the Japanese naming convention which requires a formal change of name, which has not occurred in this case.


The line is served by Limited Express trains between Okayama (Shiokaze trains, one round-trip a day), Takamatsu (Ishizuchi trains, two Takamatsu-bound trains a day) or Matsuyama (Uwakai trains, 14 return trips and two Uwajima-bound trains a day) and Uwajima, and Local trains between Matsuyama or Iyoshi and Iyo-Ōzu, Yawatahama or Uwajima.


All trains run through at both ends: from Uchiko trains run through to at least Iyoshi station, and from Niiya trains run to at least Iyo-Ōzu.

No. Station name Japanese Distance
Transfers Location
U10 Uchiko 内子 0.0 Yosan Line (Branch Line) Uchiko Ehime
U11 Ikazaki 五十崎 1.6
U12 Kitayama 喜多山 4.1
U13 Niiya 新谷 5.3 Yosan Line (Branch Line) Ōzu


The line was originally built by the Ehime Railway (愛媛鉄道 Ehime Tetsudō?) as a 762 mm (2 ft 6 in) light railway line from Wakamiya Junction (若宮連絡所 Wakamiya-renraku-sho?), near Nagahama-machi (the present Iyo-Nagahama) to Uchiko, opening on May 1, 1920.

On October 1, 1933, the line (along with the Ehime Railway Main Line) was nationalised and the name Ehime Line (愛媛線 Ehime-sen?) was assigned to both lines; both lines were regauged to 1,067 mm (3 ft 6 in), the national standard, on October 6, 1935, the same day when the Ehime Line was incorporated into the Yosan Main Line. That day, the line from Gorō to Uchiko gained its own identity as the Uchiko Line.

Freight operations ceased on December 1, 1971.

On November 25, 1985, the line was closed and the passenger service was replaced by buses to allow heavier rails to be laid, the railbed to be strengthened, and curves to be relaxed. The next year, on March 3, the line between Uchiko and Niiya, together with new sections of the Yosan Main Line from Mukaibara and Niiya to Iyo-Ōzu, opened as a shortcut route between Matsuyama and Uwajima, with new passing facilities at Niiya, relocated stations at Uchiko and Ikazaki, and Centralised Traffic Control. The section from Niiya to Gorō was closed.

In 1987 JNR was regionalised and privatised, and the Uchiko Line came under the control of Shikoku Railway Company, with Japan Freight Railway Company operating services on the line. JR Freight subsequently ceased to run services on the line on April 1, 2006.


This article incorporates material translated from the corresponding article on the Japanese Wikipedia, retrieved December 15, 2011.