Luton, Luton Airport Parkway, Harpenden, St Albans, Brent Cross West, West Hampstead Thameslink, London St Pancras (Intl), Farringdon, City Thameslink, London Blackfriars, East Croydon, Gatwick Airport, Three Bridges, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park, Brighton
Luton, Luton Airport Parkway, Harpenden, St Albans, West Hampstead Thameslink, London St Pancras (Intl), Farringdon, City Thameslink, London Blackfriars, London Bridge, East Croydon, Gatwick Airport, Three Bridges, Balcombe, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park, Brighton
Luton, Luton Airport Parkway, Harpenden, St Albans, West Hampstead Thameslink, London St Pancras (Intl), Farringdon, City Thameslink, London Blackfriars, London Bridge, East Croydon, Gatwick Airport, Three Bridges, Balcombe, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park, Brighton
Luton, Luton Airport Parkway, Harpenden, St Albans, West Hampstead Thameslink, London St Pancras (Intl), Farringdon, City Thameslink, London Blackfriars, London Bridge, East Croydon, Gatwick Airport, Three Bridges, Balcombe, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park, Brighton