[2] Services are formed of 4-car 783 series electric multiple unit (EMU) sets with Green car (first class) accommodation.

[1] The Midori name was first used from 1 October 1961 on limited express services operating between Osaka and Hakata using 12-car KiHa 80 series diesel multiple unit (DMU) sets.

[4] From 1 October 1964, with the opening of the Tokaido Shinkansen, services operated between Shin-Osaka and Kumamoto and Oita.

[3] Although the route was now electrified, services continued to use KiHa 80 series DMU sets formed as 13 cars.

[4] From April 1974, the Nippo Main Line to Minami-Miyazaki was electrified, and the Midori services were reorganized as shown below, with one working daily extended to and from Miyazaki.