Tōbu Koizumi Line
| Tobu Koizumi Line | |
|---|---|
| TI | |
A Koizumi Line train approaching Narushima Station in May 2025 | |
| Overview | |
| Native name | 東武小泉線 |
| Owner | Tobu Railway |
| Locale | Gunma Prefecture |
| Termini | |
| Stations | 10 total 7 (main branch), 3 (Ota branch) |
| Service | |
| Type | Commuter rail |
| History | |
| Opened | 12 March 1917 |
| Technical | |
| Track gauge | 1,067 mm (3 ft 6 in) |
| Electrification | 1,500 V DC, overhead catenary |
The Tobu Koizumi Line (東武小泉線, Tōbu Koizumi-sen), operated by the private railway operator Tobu Railway, connects Tatebayashi Station located in Tatebayashi, Gunma to Nishi-Koizumi Station located in Ōizumi, Gunma as well as Higashi-Koizumi Station in Ōizumi town to Ōta Station in Ōta, Gunma Japan.