East Croydon, London Bridge, London Blackfriars, City Thameslink, Farringdon, London St Pancras (Intl), Finsbury Park, Stevenage, Hitchin, Letchworth Garden City, Baldock, Ashwell & Morden, Royston, Cambridge
Horley, Redhill, Merstham, Coulsdon South, East Croydon, London Bridge, London Blackfriars, City Thameslink, Farringdon, London St Pancras (Intl), Finsbury Park, Stevenage, Hitchin, Arlesey, Biggleswade, Sandy, St Neots, Huntingdon, Peterborough