Seibu Yūrakuchō Line
| Seibu Yūrakuchō Line | |
|---|---|
 | |
 Seibu 6000 series at Shin-Sakuradai Station, October 2022 | |
| Overview | |
| Native name | 西武有楽町線 |
| Status | In service |
| Owner | Seibu Railway Co., Ltd. |
| Locale | Nerima, Tokyo |
| Termini | |
| Stations | 3 |
| Service | |
| Type | Commuter rail |
| System | Seibu Railway |
| Route number | SI |
| Operator(s) | Seibu Railway Co., Ltd. |
| History | |
| Opened | October 1, 1983 |
| Technical | |
| Line length | 2.6 km (1.6 mi) |
| Number of tracks | 2 |
| Track gauge | 1,067 mm (3 ft 6 in) |
| Electrification | 1,500 V DC, overhead catenary |
The Seibu Yūrakuchō Line (西武有楽町線, Seibu Yūrakuchō-sen) is an underground railway line operated by the private railway operator Seibu Railway in Japan. The line links the Ikebukuro Line at Nerima Station with the Tokyo Metro's Yūrakuchō Line and Fukutoshin Line at Kotake-Mukaihara Station in Nerima, Tokyo.