| Railway | Line | Linetype |
| JR East | Iwaizumi | JR railway |
| Yamada | JR railway |
| Opened | Moichi - Asanai | 1942 - 1957 |
| Asanai - Iwaizumi | 1972 | |
| Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Moichi | JR East: Yamada | 0.0 | Miyako-shi | Iwate |
| Map | Map | Iwate-Wainai | | 10.0 | Miyako-shi | |
| Map | Map | Asanai | | 31.0 | Iwaizumi-chō | |
| Map | Map | Iwaizumi | | 38.4 | Iwaizumi-chō |
| Origin - Major stops - Destination | Trains per day |
|---|---|
| Moichi - Iwaizumi | Suspended |
| Opened | 1923 - 1939 |
| Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Morioka | IGR: Iwate Ginga Tetsudō, JR East: Tōhoku Shinkansen, JR East: Tōhoku Hon (Sendai - Morioka), JR East: Akita Shinkansen, JR East: Tazawako | 0.0 | Morioka-shi | Iwate |
| Map | Map | Kami-Yonai | | 9.9 | Morioka-shi | |
| Map | Map | Kawauchi | | 61.5 | Miyako-shi | |
| Map | Map | Moichi | JR East: Iwaizumi | 87.0 | Miyako-shi | |
| Map | Map | Miyako | Santetsu: Kita Rias | 102.1 | Miyako-shi | |
| Map | Map | Kamaishi | JR East: Kamaishi, Santetsu: Minami Rias | 157.5 | Kamaishi-shi |
| Type | Name | Origin - Major stops - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|---|
| Rapid Kaisoku 快速 | Rias リアス | Morioka - Miyako | 1 | 2h01 | 51 km/h |
| Morioka - Miyako | 1 | 2h01 | 51 km/h | ||
| Local Futsū 普通 | Morioka - Miyako | 2 | 2h23 | 43 km/h | |
| Morioka - Kami-Yonai | 2 | 14 min | 42 km/h | ||
| Kawauchi - Miyako | 1 | 1h10 | 35 km/h | ||
| Miyako - Kamaishi | Suspended |
