Knebworth
Enfield
Enfield
Harlow
Hitchin
Saint Albans
Saint Albans
Welwyn Garden City
Borehamwood
Hertford
Barnet
Enfield
Saint Albans
Chingford
Harlow
Stevenage
Stevenage
Harlow
North Weald
Bishops Stortford
Stevenage
Harlow
Harlow
Harlow
Coopersale
Bishops Stortford
Enfield
Harlow
Harlow
Stevenage
Stevenage
Enfield Town
Stevenage
Sawbridgeworth
Hitchin
Ickleford
Stevenage
Hertford
Hatfield
Enfield Highway