What is Oyster?
Oyster is a smartcard from Transport for London (TfL) which can hold pay as you go credit, Travelcards and Bus & Tram Pass season tickets.
You can use Oyster on any of our trains in the London Travelcard area.
It’s quick and easy to buy an Oyster card, top up online and add your Travelcard or season ticket.
You can use the Oyster card on buses, Tubes, trams, the Docklands Light Railway, London Overground and most National Rail services in London.