Boards
This is quite exciting
http://www.tfl.gov.uk/assets/downloads/Oyster-rail-services-in-London-Jan-2010.pdf
from Jan 2nd next year Oyster is valid on overground rail up to the places on this map. Basically London got bigger.
http://www.tfl.gov.uk/assets/downloads/Oyster-rail-services-in-London-Jan-2010.pdf
from Jan 2nd next year Oyster is valid on overground rail up to the places on this map. Basically London got bigger.