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 also bilingual.

The Tamako Line also provides access to the National Center of Neurology and Psychiatry[2] and the International Campus of Hitotsubashi Gakuen University[3] from Hagiyama and Hitotsubashi-Gakuen stations respectively.

[citation needed] The company was absorbed into the Seibu Railway system on 12 March 1940.

[4] In 1961, the line was extended to Seibu-yūenchi (now Tamako), and the voltage increased to 1,500 V DC at the same time.

[citation needed] 9000 series trainsets were deployed on the Tamako Line from 1 October 2020.