| Railway | Line | Linetype |
| JR East | Hachinohe | JR railway |
| Santetsu | Kita Rias | Non JR railway |
| Minami Rias | Non JR railway |
| Opened | 1894 | Hachinohe - Hon-Hachinohe |
| 1924 - 1930 | Hon-Hachinohe - Kuji | |
| Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Hachinohe | Aoimori : Aoimori Tetsudō, JR East: Tōhoku Shinkansen | 0.0 | Hachinohe-shi | Aomori |
| Map | Map | Hon-Hachinohe | | 5.5 | Hachinohe-shi | |
| Map | Map | Same | | 11.8 | Hachinohe-shi | |
| Map | Map | Taneichi | | 34.2 | Hirono-chō | Iwate |
| Map | Map | Kuji | Santetsu: Kita Rias | 64.9 | Kuji-shi |
| Type | Origin - Major stops - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|
| Local Futsū 普通 | Hachinohe - Same | 11 | 21 min | 34 km/h |
| Hachinohe - Same - Taneichi | 7 | 1h01 | 36 km/h | |
| Taneichi - Kuji | Suspended |
| Opened | 1972 | Miyako - Tarō as JNR Miyako line | Owner change | 1984 | From JNR to Sanriku Railway |
| 1975 | Kuji - Fudai as JNR Kuji line | Tracks | Single track | ||
| 1984 | Tarō - Fudai |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Miyako | JR East: Yamada | 0.0 | Miyako-shi | Iwate |
| Map | Map | Tarō | | 12.7 | Miyako-shi | |
| Map | Map | Omoto | | 25.1 | Iwaizumi-chō | |
| Map | Map | Fudai | | 44.9 | Fudai-mura | |
| Map | Map | Rikuchū-Noda | | 59.9 | Noda-mura | |
| Map | Map | Kuji | JR East: Hachinohe | 71.0 | Kuji-shi |
| Origin - Major stops - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|
| Miyako - Omoto | 4 | 42 min | 36 km/h |
| Omoto - Rikuchū-Noda | Suspended | ||
| Rikuchū-Noda - Kuji | 8 | 17 min | 39 km/h |
| Opened | 1970 | Sakari - Ryōri as JNR Sakari line | Owner change | 1984 | From JNR to Sanriku Railway |
| 1973 | Ryōri - Yoshihama | Tracks | Single track | ||
| 1984 | Yoshihama - Kamaishi |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Sakari | JR East: Ōfunato | 0.0 | Ōfunato-shi | Iwate |
| Map | Map | Ryōri | | 9.1 | Ōfunato-shi | |
| Map | Map | Yoshihama | | 21.6 | Ōfunato-shi | |
| Map | Map | Kamaishi | JR East: Yamada, JR East: Kamaishi | 36.6 | Kamaishi-shi |
| Origin - Major stops - Destination | Trains per day |
|---|---|
| Sakari - Kamaishi | Suspended |
