St Albans
Hatfield
Harpenden
Wheathampstead
Enfield
Welwyn Garden City
Hatfield
Luton
Edgware
Finchley
Barnet
Barnet
Barnet
Abbots Langley
Walthamstow
Harpenden
Edgware
Barnet
Enfield
Enfield
Hoddesdon
Barnet
Friern Barnet
Tottenham
Enfield
Hertfordshire
Luton, Bedfordshire
Enfield
Edmonton
New Barnet
Jubilee
Enfield Highway
Hatfield
Hertfordshire
Hertfordshire
St. Albans
Enfield Lock
Waltham Cross
Hatfield
Enfield Lock