Radlett, Elstree & Borehamwood, Mill Hill Broadway, Hendon, Brent Cross West, Cricklewood, West Hampstead Thameslink, Kentish Town, London St Pancras (Intl), Farringdon, London Blackfriars, East Croydon, Redhill, Horley, Gatwick Airport, Three Bridges
Brent Cross West, West Hampstead Thameslink, London St Pancras (Intl), London Blackfriars, East Croydon, Purley, Redhill, Horley, Gatwick Airport, Three Bridges, Haywards Heath, Brighton