"Matthew Dickinson" wrote in message
...
One surprise in the 2012 fare revision is that the Piccadilly line
joins the Heathrow Free Travel Area.

See
http://www.tfl.gov.uk/tickets/20689....athrow-airport

"Journeys solely between Heathrow Terminals 123, Heathrow Terminal 4
and Heathrow Terminal 5 will be free for all Oyster card and Oyster
photocard holders"

OK, let's go back to square 1.

The majority of people transferring between flights at Heathrow will do so
airside. This means they won't go anywhere near any transport in the
Heathrow Free Travel Area. For those who do come landside the HeX/HC
trains are the prferred (by the airport authority) route. Yes, I know, the
underground is more frequent blah blah but by the time you've got hold of an
Oyster, used it for one inter terminal trip and then tried to get your
refund because you're not coming back to London how long is that going to
take?

In any case, I would suggest that the whole point of the free travel area
isn't aimed at passengers or even meeters and greeters but actually at
airport/airline staff.