| Name |
Major stations |
Length (km) |
Comments |
| Shinkansen lines |
| JR East |
| Tōhoku Shinkansen | [Ninohe] - Hachinohe - Shin-Aomori | 97.3 |
|
| JR railway lines |
| JR East |
| Gonō | [Iwadate] - Fukaura - Goshogawara - Kawabe - Hirosaki | 112.7 |
|
| Hachinohe | Hachinohe - [Taneichi] | 28.5 |
|
| Ōminato | Noheji - Shimokita - Ōminato | 58.4 |
|
| Ōu Hon (Akita - Aomori) | [Ōdate] - Ōwani-onsen - Hirosaki - Kawabe - Shin-Aomori - Aomori | 65.1 |
|
| Tsugaru | Aomori - Kanita - Naka-Oguni - Minmaya | 55.8 |
|
| JR Hokkaidō |
| Kaikyō | Aomori - Naka-Oguni - [Kikonai] | 44.0 | Seikan tunnel |
| Non JR railway lines |
| Aoimori |
| Aoimori Tetsudō | Metoki - Hachinohe - Aomori | 121.9 | Ex JR Tōhoku line |
| IGR |
| Iwate Ginga Tetsudō | [Kindaichi-onsen] - Metoki | 1.8 | Ex JR Tōhoku line |
| Kōnan Tetsudō |
| Kōnan | Hirosaki - Kuroishi | 16.8 |
|
| Ōwani | Chūō-Hirosaki - Ōwani | 13.9 |
|
| Shimokita Kōtsū |
| Ōhata | Shimokita - Ōhata | 18.0 | Closed 31 March, 2001 |
| Towadakankō |
| Towadakankō Dentetsu | Misawa - Towadashi | 14.7 |
|
| Tsutetsu |
| Tsugaru Tetsudō | Tsugaru-Goshogawara - Tsugaru-Nakasato | 20.7 |
|