Harlow, Sawbridgeworth,

Bishops Stortford, Stansted, Takeley, Dunmow, Braintree, Hatfield Heath, North Weald,

Chelmsford, Epping, Ongar, Roydon, Nazeing, Chigwell, Abridge, Theydon Bois, Loughton, Buckhurst Hill, Woodford,  Hunsdon, Stansted Abbotts, Hertford, Ware,

Welwyn Garden City,

Puckeridge, Standon, Buntingford, Brentwood, Romford, Dagenham,  Broxbourne, Cuffley, Goffs Oak, Hoddesdon, Wormley, Cheshunt, Waltham Cross, Waltham Abbey, Enfield, Barnet