Where you can use The Key Smartcard
You can use The Key Smartcard at most stations for season ticket journeys into London and back.
Your initial outward journey has to start outside London.
You can currently use The Key Smartcard at all Great Northern stations south of Peterborough and Cambridge.
The map shows where you can travel on the network using The Key Smartcard.
Where you can’t use The Key Smartcard
The card can't be used currently at the following stations:
- King’s Lynn
- Downham Market