Operators

Harlow , St Margarets , Ware , Hertford , London Stansted Airport , Rayne , Felsted , Great Dunmow , Braintree , Shoeburyness , Hadleigh , Leigh-on-Sea , Rayleigh , Thundersley , Colchester , Waltham Abbey , Waltham Cross , Cheshunt , Great Horkesley , Bishops Stortford , Great Wakering , Sawbridgeworth , Takeley , Stansted Mountfitchet , Chelmsford , Sheering , Hatfield Heath , White Roothing/White Roding , Leaden Roding , Boyton Cross , Loughton , Aingers Green , St Osyth , Frating Green , Hare Green , Bromley Cross , Elmstead Market , Great Bentley , Ashingdon , Hockley , Rochford , Tylerscross , Theydon Bois , Epping , Hawkwell , Berechurch , London Luton Airport , Hitchin , Stevenage , Hemel Hempstead , Little Wymondley , Lilley , Stanstead Abbotts , Watford , St Albans , Welwyn Garden City , Welwyn , Oaklands , Woolmer Green , Hatfield , Hoddesdon , Abbots Langley , Rickmansworth , Chorleywood , Maple Cross , Harpenden , Chiswell Green , Puckeridge , Hay Street , Hare Street , Buntingford , Wheathampstead , Sandridge , London Colney , Shenley , Borehamwood , Lea Valley , Aylesbury , Kings Langley , Tring , Berkhamsted , Aston Clinton , Letchworth Garden City/Letchworth , Graveley , Northwood , Stotfold , Baldock
Northampton , Finchley , Barnet , Greenford , Harrow , Waltham Cross , Brookmans Park , Welham Green , Hatfield , Welwyn Garden City , Cheshunt , Potters Bar , Goffs Oak , St Albans , Sandridge , Wheathampstead , Hertford Heath , Ware , Essendon , Hertford , Hoddesdon , Harpenden , Redbourn , Lea Valley , Bulstrode , Chipperfield , Flaunden , Bovingdon , Hemel Hempstead , Park Street , Bricket Wood , Radlett , Borehamwood , London Colney , Shenley , Aldenham , Bushey , Watford , North Mymms , Enfield , Hadley Wood , Edgware , Stevenage , Hitchin , How Wood , Kings Langley , Rucklers Lane , Bedmond , Abbots Langley , Cranfield , Wharley End , Caulcott , Hall End