The is a
railway line in Tokyo, Japan.
operator is Seibu Railway
The line is part of the Seibu Shinjuku group of railway lines and
connects suburban areas of western Tokyo to Seibu and JR East
main lines that run to central Tokyo. The
line is named after the , a major reservoir supplying water to
Tokyo, located close to the terminus of the line at . Since July
2008, recorded announcements on trains have been provided in
English in addition to Japanese and, as part of Seibu Railway's
ongoing refurbishment programme, signage and maps at stations are
- Ōmekaidō, Yasaka, Musashi-Yamato, and Seibu-Yūenchi are all
- Kokubunji station: trains terminate/start from platform 7.
- Hitotsubashi-Gakuen station: trains pass here. Hagiyama-bound
trains call at platform 1, and Kokubunji bound trains stop at
- Hagiyama stations: Most trains to Kokubunji depart from
platform 1, whilst trains for Seibu-Yūenchi leave from platform 2.
Although, through trains to Seibu-Yūenchi will stop at platform 1
and through trains to Kokubunji will leave from platform 3.
All services on this line operate as and this line is run mainly as
a shuttle service between and stations. This journey takes 7
minutes and is served by two trains running back and forth every 10
minutes between these stations (although services after 10 p.m. are
less frequent). The line is single track and except at , Hagiyama
station, and a passing place located between Kokubunji and
Hitotsubashi-Gakuen stations. Routinely, the services in operation
pass each other at Hitotsubashi-Gakuen station, with the first
train waiting for the service in the opposite direction to clear
the next section of track .
At peak times, a third train is also used on this track section,
which usually operates as a through train to/from Seibu-Yūenchi
station. This train will pass other services between Kokubunji and
Hitotsubashi-Gakuen stations, and at Hitotsubashi-Gakuen station.
When , such additional trains are stored in sidings
to the north of Hagiyama station.
trains on the Seibu-Yūenchi to Hagiyama section operate as Seibu Shinjuku Line services, which
continue past Hagiyama, terminating at Kodaira Station.
These services are timed to connect with
Kokubunji-bound trains at Hagiyama. At least one Seibu Tamako Line
train per hour in both directions operates the full journey between
Kokubunji and Seibu Yūenchi. At peak times, some services from
Seibu-Yūenchi are coupled
Hagiyama station to trains from forming Seibu Shinjuku Line express
trains to .
This line connects the suburban Seibu lines with the JR Chūō line
at Kokubunji. At
Hagiyama, there is transfer to the Seibu Haijima Line
and the Seibu Shinjuku Line
. The Seibu Yamaguchi Line, also known as the
Leo Liner, connects Seibu Yūenchi Station with Seibu Yūenchi amusement
park and the Seibu
Dome, home of the Saitama
Seibu Lions baseball team. Some passengers alight
Station to make the short walk to Shin-Kodaira Station for connecting
services on the JR Musashino
The Tamako Line also provides access to the National Center of
Neurology and Psychiatry
and the International Campus of
from Ōmekaidō and Hitotsubashi-Gakuen stations