The 159 series (159系) was an electric multiple unit (EMU) train type operated by Japanese National Railways (JNR) from 1961 until 1980.
[1] They were originally designed for and used on school excursion trains running between Tokyo and the Nagoya area via the Tokaido Main Line.
[1] The fleet consisted of one 8-car and two 4-car sets, formed as shown below, and based at Ogaki Depot in Gifu Prefecture.
[2] The 159 series sets entered service from 2 April 1961 on Komadori (こまどり) school excursion services running on the Tokaido Main Line between Shinagawa Station in Tokyo and Ogaki Station in Aichi Prefecture.
[1] An additional four-car set was delivered in 1962 to allow 16-car formations to be run.