Northolt
Hillingdon
Edgware
Willesden
Harrow
Edgware
Watford
Hemel Hempstead
New Barnet
Barnet
Hatfield
Finchley
Edgware
Borehamwood
Barnet
Barnet
Watford
Finchley
Finchley
Barnet
Potters Bar
East Barnet
Hemel Hempstead
Saint Albans
Barnet
North Finchley
Hemel Hempstead
Potters Bar
Watford
Archway
Barnet
New Barnet
Hatfield
Barnet
Ealing
Kilburn
Radlett
Pinner
Wembley
Borehamwood