Class 378 Capitalstar
Bombardier's Electrostar built for London Overground, walk-through from end to end. The first trains had three or four cars; all 57 had five by the end of 2015.
- Type
- Electric multiple unit
- Builder
- Bombardier Transportation (now Alstom), Derby
- Built
- 2008–2015
- In service
- since 2009
- Lines
- Mildmay, Windrush, Lioness
- Formation
- 5 cars (DMOSA-MOSA-PTOS-MOSB-DMOSB), walk-through
- Trains in fleet
- 57
- Top speed
- 75 mph
- Power
- 750 V DC third rail (378/1); third rail or 25 kV AC overhead (378/2)
- Car height
- 3.774 m
- Car width
- 2.80 m
- Profile
- main-line
- Walk-through
- Yes
- Seats per train
- 186
- Total capacity
- 186 seats, 84 tip-up and perch seats and 2 wheelchair spaces; standing 420 at average load (seats plus 25% crush) and 840 at full load (seats plus 70% crush), TfL's figures, not at 5 per m²
- Status
- In service; owned by TfL and planned to run until about 2044.
Car types
| Code | Car | Length | Weight (tare) | Doors per side |
|---|---|---|---|---|
| DMOS | Driving motor | 19.995 m | 45.5 t | 2 double |
| MOS | Motor | 19.66 m | 41.1 t | 2 double |
| PTOS | Pantograph trailer | 19.66 m | 39.9 t | 2 double |
Sources
- Class 378 data sheet (released under FOI-0117-2425), Transport for London, pp. 1–2 (builder, dates, formation, dimensions, weights, doors, capacity; side elevation)
- Bombardier wins £137m London contract (reprint of Bombardier's release), Metro Magazine, 8 May 2013 (75 mph; extra cars to make five-car trains)
- Silverlink lines under new management as Mayor launches London Overground, Transport for London (press release), 12 November 2007 (first order: 24 three-car and 20 four-car trains)
- Extra carriages for London Overground services, Transport for London (press release), 6 November 2014 (first five-car train, 6 November 2014)
- Class 378 fleet leases, TfL Finance Committee, 8 March 2023 (purchase from QW Rail Leasing; life to 2044)
- First course of action: changes in the capital, Rail, 28 January 2026 (20 Class 378/1 and 37 Class 378/2; owned by TfL)
- Introduction of new London Overground line names and colours will soon start, Transport for London (press release), 19 November 2024 (used on the Lioness, Mildmay and Windrush lines)