On 22 May, 01:40, Ashok Nair sadasivan Nair
wrote:
I have a query regarding oyster card use. If i touch my oyster card at
Elephant and castle station which is zone 1 and i didnt touch out
anywhere else and i got out of Upton park station with out touching it
in the oyster machine. what will happen if i use the same oyster card
again next time?

If it's got a travelcard on it, nothing would happen. If it's Pay as
you go, you would be charged a penalty fare.