| Name |
Major stations |
Length (km) |
Comments |
| Shinkansen lines |
| JR East |
| Yamagata Shinkansen | [Fukushima] - Yonezawa - Takahata - Akayu - Kaminoyama-onsen - Yamagata - Tendō - Sakurambo Higashine - Murayama - Ōishida - Shinjō | 0.0 |
|
| JR railway lines |
| JR East |
| Aterazawa | Yamagata - Kita-Yamagata - Aterazawa | 24.3 |
|
| Ōu Hon (Shinjō - Akita) | Shinjō - [Innai] | 41.5 |
|
| Ōu Hon [Yamagata] (Fukushima - Shinjō ) | [Niwasaka] - Yonezawa - Akayu - Yamagata - Kita-Yamagata - Uzen-Chitose - Shinjō | 130.7 |
|
| Rikuu-sai | Shinjō - Amarume | 43.0 |
|
| Rikuu-tō | [Naruko-onsen] - Shinjō | 41.5 |
|
| Senzan | [Sakunami] - Uzen-Chitose - Yamagata | 19.8 |
|
| Uetsu Hon | [Fuya] - Tsuruoka - Amarume - Sakata - [Kisakata] | 93.8 |
|
| Yonesaka | Yonezawa - Imaizumi - [Sakamachi] | 65.7 |
|
| Non JR railway lines |
| Yamagata |
| Flower (Furawa) Nagai | Akayu - Imaizumi - Arato | 30.5 |
|