Redbourn
Chesham
Stevenage
Knebworth
Potters Bar
Potters Bar
Saint Albans
Enfield
Hatfield
Hatfield
Hatfield
Stevenage
Stevenage
Stevenage
Stevenage
Pitstone
Pitstone
Hatfield
Hatfield
Hertfordshire
Hertfordshire
Barnet
Watford
Amersham
Berkhamsted
Barnet
Chesham, Buckinghamshire
St. Albans
St. Albans
Watford
Stevenage
Hatfield, Hertfordshire
Dunstable
Hertfordshire
Hatfield, Hertfordshire
Hatfield
Hemel Hempstead
Stevenage
Stevenage
Potters Bar