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Lioness line

The Watford DC line, the local line beside the West Coast Main Line from Euston to Watford Junction. It shares its tracks with the Bakerloo line between Queen's Park and Harrow & Wealdstone.

2007London Overground since
19Stations
4Trains per hour, peak

Facts

London Overground since
11 November 2007
Termini
London Euston – Watford Junction
Type
London Overground line
Depots
Willesden
Operator
First Rail London (FirstGroup), for TfL, since 3 May 2026; Arriva Rail London from 2016 to 2026
Shares track
With the Bakerloo line between Queen's Park and Harrow & Wealdstone.
Class 710 Aventra, schematic side elevation, 2 cars
Class 710 Aventra · Bombardier Transportation (now Alstom), Derby
Class 378 Capitalstar, schematic side elevation, 2 cars
Class 378 Capitalstar · Bombardier Transportation (now Alstom), Derby

Route 19 stations

Watford Junction – London Euston: schematic, not to scale Watford Junction — change for National RailWatford Junction Watford High StreetWatford High Street Bushey — change for National RailBushey Carpenders ParkCarpenders Park Hatch EndHatch End Headstone LaneHeadstone Lane Harrow & Wealdstone — change for Bakerloo, National RailHarrow & Wealdstone Kenton — change for BakerlooKenton South Kenton — change for BakerlooSouth Kenton North Wembley — change for BakerlooNorth Wembley Wembley Central — change for Bakerloo, National RailWembley Central Stonebridge Park — change for BakerlooStonebridge Park Harlesden — change for BakerlooHarlesden Willesden Junction — change for Bakerloo, Overground (Mildmay)Willesden Junction Kensal Green — change for BakerlooKensal Green Queens Park — change for BakerlooQueens Park Kilburn High RoadKilburn High Road South HampsteadSouth Hampstead London Euston — change for Northern, Victoria, National RailLondon Euston

Schematic, not to scale. Ringed stations are interchanges. Station order from TfL open data.

StationZoneInterchanges
Watford JunctionNational Rail
Watford High Street8
Bushey8National Rail
Carpenders Park7
Hatch End6
Headstone Lane5
Harrow & Wealdstone5Bakerloo, National Rail
Kenton4Bakerloo
South Kenton4Bakerloo
North Wembley4Bakerloo
Wembley Central4Bakerloo, National Rail
Stonebridge Park3Bakerloo
Harlesden3Bakerloo
Willesden Junction2/3Bakerloo, Overground (Mildmay)
Kensal Green2Bakerloo
Queens Park2Bakerloo
Kilburn High Road2
South Hampstead2
London Euston1Northern, Victoria, National Rail

Stations, zones and interchanges from TfL open data (2026-10-02). National Rail interchanges are listed where TfL groups the stations together.

Rolling stock

History 5

  1. Transport for London takes over the former Silverlink Metro routes, launched as London Overground.
  2. Dual-voltage Class 710/2 trains are released for the Euston to Watford Junction services.
  3. TfL announces names and colours for the six Overground lines.
  4. The Mayor launches the new line names; signs had started changing on 20 November.
  5. First Rail London takes over running the Overground from Arriva Rail London.

Sources 16

How we source figures →

unverified TfL publishes no length for each line