 An E257-500 series unit on a Keiyo Line Wakashio service | |
| Overview | |
|---|---|
| Service type | Limited express |
| Locale | Chiba Prefecture |
| First service | 15 July 1972 |
| Current operator(s) | JR East |
| Former operator(s) | JNR |
| Route | |
| Termini | Tokyo Awa-Kamogawa |
| Distance travelled | 132.5 km (82.3 mi) |
| Service frequency | 12 return trips daily |
| Line(s) used | Keiyo Line, Sotobo Line |
| On-board services | |
| Catering facilities | Trolley service |
| Technical | |
| Rolling stock | E257-500 series EMU |
| Track gauge | 1,067 mm (3 ft 6 in) |
| Electrification | 1,500 V DC overhead |
| Operating speed | 120 km/h (75 mph) |
The Wakashio (わかしお) is a limited express train service in Japan operated by the East Japan Railway Company (JR East). It runs from Tokyo to Kazusa-Ichinomiya and Awa-Kamogawa on the Bōsō Peninsula in Chiba Prefecture.