"Colin Rosenstiel" cix.co.uk> wrote in message
news:memo.20080918003610.1160p@cam002297.rosenstiel.co.uk...
> Does anyone here understand the logic by which TOCs decide the addon cost
> of Day Travelcards over Day Returns to London Terminals?
>
> Looking at a random selection of towns and cities around London most seem
> to be in the range