Harpenden

24 haltes • St Albans City, Radlett, Elstree & Borehamwood, Mill Hill Broadway, Brent Cross West Station, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, Elephant & Castle, Denmark Hill, Peckham Rye, Nunhead, Crofton Park, Catford, Bellingham, Beckenham Hill, Ravensbourne, Shortlands, Bromley South, Bickley, Petts Wood, Orpington

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

2 haltes • Luton Airport Parkway, Luton

17 haltes • St Albans City, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, East Croydon, Gatwick Airport, Three Bridges, Balcombe, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park, Brighton

12 haltes • St Albans City, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, East Croydon, Oxted, Hurst Green, Lingfield, Dormans, East Grinstead

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

16 haltes • St Albans City, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, Norwood Junction, East Croydon, South Croydon, Purley, Coulsdon South, Merstham, Redhill, Horley, Gatwick Airport, Three Bridges

2 haltes • Luton Airport Parkway, Luton

11 haltes • St Albans City, Radlett, Elstree & Borehamwood, Mill Hill Broadway, Brent Cross West Station, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, Elephant & Castle

9 haltes • St Albans City, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, East Croydon, Gatwick Airport, Three Bridges

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

17 haltes • St Albans City, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, East Croydon, Gatwick Airport, Three Bridges, Balcombe, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park, Brighton

32 haltes • St Albans City, Radlett, Elstree & Borehamwood, Mill Hill Broadway, Brent Cross West Station, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, Deptford, Greenwich, Maze Hill, Westcombe Park, Charlton, Woolwich Arsenal, Plumstead, Abbey Wood (London), Slade Green, Dartford, Stone Crossing, Greenhithe For Bluewater, Swanscombe, Northfleet, Gravesend, Higham, Strood, Rochester, Chatham, Gillingham (Kent), Rainham (Kent)

13 haltes • St Albans City, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, East Croydon, South Croydon, Purley, Redhill, Horley, Gatwick Airport, Three Bridges

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

16 haltes • St Albans City, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, Norwood Junction, East Croydon, South Croydon, Purley, Redhill, Earlswood (Surrey), Salfords (Surrey), Horley, Gatwick Airport, Three Bridges

2 haltes • Luton Airport Parkway, Luton

24 haltes • St Albans City, Radlett, Elstree & Borehamwood, Mill Hill Broadway, Brent Cross West Station, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, Elephant & Castle, Denmark Hill, Peckham Rye, Nunhead, Crofton Park, Catford, Bellingham, Beckenham Hill, Ravensbourne, Shortlands, Bromley South, Bickley, Petts Wood, Orpington

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

17 haltes • St Albans City, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, East Croydon, Gatwick Airport, Three Bridges, Balcombe, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park, Brighton

2 haltes • Luton Airport Parkway, Luton

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

16 haltes • St Albans City, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, Norwood Junction, East Croydon, South Croydon, Purley, Redhill, Earlswood (Surrey), Salfords (Surrey), Horley, Gatwick Airport, Three Bridges

11 haltes • St Albans City, Radlett, Elstree & Borehamwood, Mill Hill Broadway, Brent Cross West Station, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, Elephant & Castle

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

17 haltes • St Albans City, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, East Croydon, Gatwick Airport, Three Bridges, Balcombe, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park, Brighton

32 haltes • St Albans City, Radlett, Elstree & Borehamwood, Mill Hill Broadway, Brent Cross West Station, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, Deptford, Greenwich, Maze Hill, Westcombe Park, Charlton, Woolwich Arsenal, Plumstead, Abbey Wood (London), Slade Green, Dartford, Stone Crossing, Greenhithe For Bluewater, Swanscombe, Northfleet, Gravesend, Higham, Strood, Rochester, Chatham, Gillingham (Kent), Rainham (Kent)

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

2 haltes • Luton Airport Parkway, Luton

16 haltes • St Albans City, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, Norwood Junction, East Croydon, South Croydon, Purley, Redhill, Earlswood (Surrey), Salfords (Surrey), Horley, Gatwick Airport, Three Bridges

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

17 haltes • St Albans City, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, East Croydon, Gatwick Airport, Three Bridges, Balcombe, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park, Brighton

16 haltes • St Albans City, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, Norwood Junction, East Croydon, South Croydon, Purley, Redhill, Earlswood (Surrey), Salfords (Surrey), Horley, Gatwick Airport, Three Bridges

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

17 haltes • St Albans City, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, East Croydon, Gatwick Airport, Three Bridges, Balcombe, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park, Brighton

32 haltes • St Albans City, Radlett, Elstree & Borehamwood, Mill Hill Broadway, Brent Cross West Station, West Hampstead Thameslink, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, Deptford, Greenwich, Maze Hill, Westcombe Park, Charlton, Woolwich Arsenal, Plumstead, Abbey Wood (London), Slade Green, Dartford, Stone Crossing, Greenhithe For Bluewater, Swanscombe, Northfleet, Gravesend, Higham, Strood, Rochester, Chatham, Gillingham (Kent), Rainham (Kent)

6 haltes • Luton Airport Parkway, Luton, Leagrave, Harlington (Beds), Flitwick, Bedford

15 haltes • St Albans City, London St Pancras International, Farringdon (London), City Thameslink, London Blackfriars, London Bridge, Norwood Junction, East Croydon, South Croydon, Purley, Redhill, Earlswood (Surrey), Salfords (Surrey), Horley, Gatwick Airport

27 haltes • St Albans City, Radlett, Elstree & Borehamwood, Mill Hill Broadway, Hendon, Brent Cross West Station, Cricklewood, West Hampstead Thameslink, Kentish Town, London St Pancras International, Farringdon (London), London Blackfriars, Elephant & Castle, Loughborough Junction, Herne Hill, Tulse Hill, Streatham, Tooting, Haydons Road, Wimbledon, Wimbledon Chase, South Merton, Morden South, St Helier (London), Sutton Common, West Sutton, Sutton (London)