This may be a silly question, but do the card readers at the stations need to consult some central server every time a Oyster card is 'swiped'? If so this could well account for the differences in experiences; depending on when and where you swipe ! Tim -- Gllug mailing list - Gllug at gllug.org.uk http://lists.gllug.org.uk/mailman/listinfo/gllug