| Name |
Major stations |
Length (km) |
Comments |
| Shinkansen lines |
| JR East |
| Akita Shinkansen Virtual line | Morioka - [Tazawako] | 30.7 |
|
| Tōhoku Shinkansen | [Kurikoma-kōgen] - Ichinoseki - Kitakami - Shin-Hanamaki - Morioka - Iwate-Numakunai - Ninohe - [Hachinohe] | 174.6 |
|
| JR railway lines |
| JR East |
| Hachinohe | [Hachinohe] - Taneichi - Kuji | 36.0 |
|
| Hanawa | Kōma - [Towada-minami] | 56.8 |
|
| Kamaishi | Hanamaki - Shin-Hanamaki - Kamaishi | 90.2 |
|
| Kitakami | Kitakami - [Yokote] | 41.5 |
|
| Ōfunato | Ichinoseki - [Kesennuma] | 55.5 |
|
| Tazawako | Morioka - [Tazawako] | 30.7 |
|
| Tōhoku hon (Sendai - Morioka) | [Ishikoshi] - Hanaizumi - [Arikabe - Ichinoseki] | 10.6 |
|
| Tōhoku hon (Sendai - Morioka) | [Arikabe] - Ichinoseki - Kitakami - Hanamaki - Morioka | 95.8 |
|
| Yamada | Morioka - Moichi - Miyako | 102.1 |
|
| Non JR railway lines |
| IGR |
| Iwate Ginga Tetsudō | Morioka - Kōma - Ninohe - [Metoki] | 81.7 | Ex JR Tōhoku line |
| Sanriku |
| Rias | Sakari - Kamaishi - Miyako - Kuji | 163.0 |
|
