Stevenage, Welwyn Garden City, Finsbury Park, London St Pancras (Intl), Farringdon, City Thameslink, London Blackfriars, London Bridge, Norwood Junction, East Croydon, Purley, Coulsdon South, Merstham, Redhill, Earlswood (Surrey), Salfords, Horley, Gatwick Airport, Three Bridges, Crawley, Ifield, Littlehaven, Horsham